Elektronikus összetevők

Description:
Kit Name: Strobe Kit
Operating voltage : 12V
Dashboard size : 5.4 * 3.1Cm
Light board size : 3.5 * 2.6CM;
This section kit designed operating voltage of 12V, want feeding 4.5-5V friends can buy 5V to 12V Boost board:
Flashing Mode Strobe Kit :( flicker frequency is adjustable)
Flash 2 times left and right flash 2 times, all bright 1;
Strobe Kit , a control panel plus three light board (highlighted in red , bright white and bright blue ) .
Strobe Kits ( 1 3 light control board) element list:
1 , the control panel component list :
Name Number of elements
PCB board 1
16-pin IC Block 1
Do an 8-pin IC
CD4017 1
NE555 1
XH2.54-2P 4
8050 transistor 3
50K blue potentiometer 1
10K resistor 3
2K to 2.7K resistor 2
104 ceramic capacitor 1
10UF / 25V capacitor 1
1N4148 7
XH2.54-2P line 1
2 , light board list:
Name Quantity
PCB board 1 * 3
LED 16 * 3
27 ohm 1 * 3
XH2.54 curved seat 1 * 3
Double XH2.54-2P line 20CM 1 * 3
 

 
 
Nordic Semiconductor nRF51822 is a multi-protocol bluetooth low energy / 2.4 GHz dedicated RF single chip solutions, widely used in PC peripheral, Internet TV, toys, remote controls, sports/fitness/health sensors and automation applications.
IC features include:
16 KB and 256 KB on-chip flash RAM;
Digital and mixed-signal surrounding, including SPI, 2 - wire, ADC and quadrature decoder;
16 PPI channels;
Load match on a chip "when the power supply range of 1.8-3.6 V, 1.75 1.95 V" bypass mode;
Slice up and pull DC/DC converter for 3 v battery (for example, a button battery);
On /- 250 parts per million (PPM) 32 KHZ RC oscillator, the bluetooth application of low power consumption, does not need external 32 KHZ crystals, can save cost and PCB space;
6x6mm 48pin QFN packages, providing up to 32 GPIO;
A complete bluetooth protocol stack (the link layer to the configuration file).
NRF51822 S110 is downloadable, royalty-free, precompiled binary bluetooth stack, low power consumption can be independent programming and update. Features include:
Asynchronous API and event-driven SVC;
The runtime protection;
GATT, GAP and L2CAP level API;
Peripheral and broadcasting role;
GATT client and the server;
And more than 2.4 GHz RF proprietary protocols of parallel protocol operations;
Less than 128 KB of code and 6 KB of RAM, with more than 128 KB of flash memory for the application and 10 KB of RAM;
And use a generation compared to nRF8001 dual chip application, running S110 stack nRF51822 cut as much as 50% of power consumption.
S110 stack and nRF51822 nRF518 SDK to cooperate with each other and nRF518 contains comprehensive bluetooth low energy profile, services, and sample collection.
NRF51822 for proprietary application provides a new modified Gazell 2.4 GHz RF protocol stack, and series nRF24L Gazell application to interoperability. Compared with the last generation nRF24LE1, nRF51822 combined with new Gazell protocol stack can cut as much as 30% of power consumption.
Nordic Semiconductor nRF51822 is a multi-protocol bluetooth low energy / 2.4 GHz dedicated RF single chip solutions, widely used in PC peripheral, Internet TV, toys, remote controls, sports/fitness/health sensors and automation applications.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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1. El paquete del módulo (con memoria FLASH y circuitos periféricos) tiene DIP16, DIP28, y el paquete del chip tiene formas DIP18, SSOP20 y lqfp32.
2. De acuerdo con los diferentes enchufes o SPI Flash integrados, el tiempo de reproducción también es diferente, admite memoria SPI Flash de 2M ~ 32Mbit;
3. Procesador de audio DSP de alta velocidad incorporado, velocidad de procesamiento rápida;
4. Integrado de convertidor 13 bits/DA y salida de 12 bits/PWM, buena calidad de sonido;
¿? La salida PWM puede empujar directamente el altavoz de 0,5 W / 8Ω con suficiente corriente de empuje-tracción;
5. Admite dos modos de Salida DAC / PWM;
6. Admite la carga del formato de audio WAV;
7. La voz se puede combinar a voluntad a través del software operativo del ordenador host profesional, se puede insertar el silencio, el silencio insertado no ocupa la capacidad de memoria, se puede llamar una voz cargada repetidamente a múltiples direcciones;
8. USB modo de descarga, compatible con descarga en línea/descarga fuera de línea; Incluso cuando el chip de voz WT588D está encendido, también puede descargar datos a SPI-Flash normalmente;
9. Admite modo de control MP3, modo de control de teclas, modo de control de combinación de 3 × 8 teclas, modo de control de puerto paralelo, modo de control de puerto serie de un cable, modo de control de puerto serie de tres cables y modo de salida extendido de puerto de E/S de control de puerto serie de tres cables;
10. El modo de control del puerto serie se cambia al modo de salida de tres cables extendido del puerto de E/S de control de puerto serie de tres cables, que se puede cambiar solo enviando datos. Después de cambiar, el último estado de funcionamiento antes de cambiar todavía se puede llevar al modo de trabajo después de cambiar;
11. Configure arbitrariamente el método de salida ocupado para mostrar la señal de estado de reproducción de voz;
12. Fuerte antiinterferencia, se puede utilizar en campos industriales;
13, 220 segmentos pueden controlar el bit de dirección, un bit de dirección única puede cargar hasta 128 segmentos de voz, la voz dentro de la reproducción de combinación de bits de dirección;
14. Soporte para escuchar la reproducción de voz cargada;
15. Cuando la reproducción de voz se detiene, entra inmediatamente en modo de suspensión, y el chip se vuelve a un estado de parada completo;
16, 15 modos de control de teclas, cualquier tecla se puede configurar en cualquier modo de control;
17. Compatible con el software PC VoiceChip WT588D, La interfaz es simple y fácil de usar. Puede maximizar las funciones del microcontrolador de voz WT588D;
18. Método de escritura de microordenador Simple de un solo chip, deshazte del complicado y engorroso pensamiento de ensamblaje en el pasado;.
19. Un solo chip admite múltiples memorias externas;
20. Se pueden cargar hasta 500 voces para editar;
21. El rango de tiempo de silencio insertado es de 10ms ~ 25min;
22. Tiempo de reinicio del Chip 5ms;
23. Voltaje de funcionamiento DC2.8V ~ 5,5 V;
24. La corriente estática del sueño es inferior a 10uA;
25. Soporta la carga de audio de frecuencia de muestreo de 6K ~ 22KHz;
26. Admite reproducción MIDI de 8 acordes (esta función debe abrirse).
 
 
【Explicación funcional】
El chip de voz WT588D es un potente chip MCU de voz que se puede borrar y programar repetidamente. WT588D hace que el chip de voz ya no busque un circuito periférico de un solo chip adecuado para el modo de control. La tecnología altamente integrada de un solo chip es suficiente para reemplazar el complicado circuito de control periférico. Compatible con el software operativo del ordenador host VoiceChip WT588D, puede cambiar libremente cualquier modo de control del chip MCU de voz WT588D y descargar la información al SPI-Flash. El modo de operación del software es simple y fácil de entender, y combina la tecnología de combinación de voz, lo que reduce en gran medida el tiempo para la edición de voz. La descarga en línea es totalmente compatible. Incluso cuando el WT588D está encendido, la información de descarga de SPI-Flash relacionada se puede descargar a través del descargador, y el circuito del chip de voz WT588D se puede restablecer para actualizarse al modo de control recién descargado.
1. Admite el modo de silencio de inserción, el silencio de inserción no ocupa la capacidad de la memoria SPI Flash, un bit de dirección puede insertar el silencio de 10ms ~ 25min;
2. Bajo el modo de control MP3, satisface completamente las funciones de Reproducción/Pausa, parada de MP3, canción anterior, siguiente canción, volumen , volumen-y otras funciones en el mercado;
3. El modo de disparo es flexible en el modo de control de teclas, y cualquier botón se puede configurar para ser activador repetible de pulso, activador no repetitivo de pulso, botón no válido, nivel de mantener no reciclable, nivel mantener reciclable, nivel no conservar reciclable, 15 modos de disparo anteriores: sin bucle, bucle siguiente, bucle anterior, bucle siguiente,. Volumen , volumen-, Reproducir/pausar, detener, Reproducir/detener, etc., hasta 10 Controles de activación de salida.
4. En el modo de control de combinación de teclas de 3 × 8, se pueden activar 24 voces de bits de dirección en un modo de disparo repetible de pulso. La voz del bit de dirección activada se puede configurar entre 0 y 219;
5. El modo de control de puerto paralelo se puede controlar con 8 puertos de E/S, limitados a WT588D-32L y WTW-28P;
6. El modo de control del puerto serial de una línea puede controlar la reproducción de voz, parada, Reproducción en bucle y nivel de volumen a través del extremo de envío de código, o disparar directamente cualquier voz de 0 a 219 bits de dirección, Y la velocidad de envío del Código es de 600us a 2000us;
7. El modo de control del puerto serial de tres cables y el modo de salida extendido del puerto de E/S de control del puerto serial de tres cables se pueden cambiar enviando códigos. En el modo de control de puerto serie de tres cables, puede controlar la reproducción de voz, parada, reproducción en bucle y nivel de volumen, o activar directamente 0 ~ 219 la voz arbitraria del bit de dirección, la salida extendida del puerto de E/S de control de puerto serie de tres cables se puede extender a la salida de 8 bits, Cambie entre los dos modos, puede mantener el último estado del modo anterior en el siguiente modo;
8. Modo de Salida PWM y DAC, la salida PWM puede conducir directamente un altavoz de 0,5 W / 8Ω, amplificador de potencia externo de salida DAC, buena calidad de sonido.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display 1Hz-150Khz 3.3V-30V PWM Board Module

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Package Included:
1 X Dual Motor Driver 1A TB6612FNG
 
 
 
 

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Package Included:
1 X Dual Motor Driver 1A TB6612FNG
 
 
 
 

Model : GY-511
Dimensions : 14.5mm * 20.5mm
Name : LSM303DLHC module( Three-axis magnetic field triaxial accelerometer )
Chip built-in 12bit AD converter ,16-bit data output
High quality Immersion Gold PCB,Welding machine quality assurance
Using chips : LSM303DLHC
Power supply :3-5v ( internal low dropout regulator )
Communication: IIC communication protocol standard
Magnetic field range :
± 1.3 / ± 1.9 / ± 2.5 / ± 4.0 / ± 4.7 /
± 5.6 / ± 8.1 gauss
Acceleration range : ± 2 g / ± 4 g / ± 8 g

 
Note: The charge should disconnect the load OUTterminal on the positive and negative can not be wrong, please according to specifications, otherwise it will damage directly.
 
Module Features and parameters:
Inputs with MICRO USB female, can be directly input to do with the phone charger rechargeable lithium battery,
 
And still retains the input voltage wiring pads, can be very convenient DIY
 
Input voltage: 5V
 
Charging cut-off voltage: 4.2V ± 1%
Maximum charge current: 1000mA
 
Battery over-discharge protection voltage: 2.5V
 
Battery overcurrent protection current: 3A
 
Board size: 2.6 * 1.7CM
 
                                                                                                                                                
 
Instructions:
 
Note: The first time you access the battery, it may no voltage between the output OUT and OUT-, then access 5V voltage charge your energy can activate the protection circuit, and the battery from the B B-, then draw a line on the short open also need recharged to activate the protection circuit. Note that the charger must be able to output 1A or more to do when using a mobile phone charger input, or may not charge
 
MICRO USB female and next - pads for the power input, access 5V. B positive then the lithium battery, B- then negative lithium batteries. OUT and OUT- connected to the load, such as positive and negative electrodes connected mobile booster plate or other load.
 
Connect the battery to the B B-, inserted into the USB female mobile phone charger, the red light is being charged, the green light to full.

 
15W Mini Tesla Coil Plasma Speaker Kit Music Wireless Transmission Board Module DC 15-24V For DIY
 

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XL6009 Boost Step-up Module Power Supply LED Voltmeter Adjustable boost module with digital voltage meter display
 
 

Specification:
Working voltage: DC 5V / 12V / 24V(Optional)
Working current: <20mA
Frequency range: 20Hz~400Hz
Output mode: switching signal output
Temperature range: -40 -85°C
Humidity: 0~95% RH
Size: 4.4x3.8cm / 1.73x1.5"
Package Included:
1 * AC Current Detect Sensor Module

 
 
MQ-3 sensor profile:
MQ-3 gas sensor is sensitive material used in clean air, low conductivity tin dioxide (SnO2). When the sensor is present in the environment in which the alcohol vapor , the sensor\\\'s conductivity increases with the concentration of alcohol gas in the air increases. Using a simple circuit can be converted to the change in conductivity of the gas concentration with the corresponding output signal. MQ-3 gas sensor with high sensitivity to alcohol , gasoline can resist , smoke , water vapor interference. This sensor can detect various concentrations of alcohol atmosphere , is a low-cost sensors for a variety of applications
 
 
 
 

IR 1 Channel Infrared Receiver Driving Switch Relay Driver Module Board 5V Active Remote Controller
 
 
Learning infrared remote control switch, as the name implies, can let the single chip microcomputer to remember a button on the remote control key data, and let it control relay switch, through the study of again, can modify the keys of the stored data, for example, the use the "8" button on the remote control to you to learn, can use the "8" to do after successful control keys, data is not lost when power supply drop, if you want to use button "9" as a control, it needs to make changes to a microcontroller learning is, don't understand please look at the video above results!
 
 
Module USES:
 
1. Electric power, wiring correct LED indicator, 5 seconds after the module to work properly, relay and work!
 
2. Each press S1 button once, relay switch working state at a time, on or off, lights light up or put out at the same time!
 
3. After the success of the infrared remote learning, each press the remote learning success (remote learning methods below), relay switch working state at a time, on or off, lights light up or put out at the same time!
 
 
Remote learning operation method has two kinds:
 
1. Hold the S1 button more than 5 seconds, light LED1 lights, said into the learning state, then loosen the button S1, then press the remote control button, indicator light as long as scintillation, says study has successfully!
 
2. Alignment with the remote control module of infrared receiving head, long press any key to 10 seconds, light LED1 lights, said into the learning state, then press the remote control button, indicator light as long as scintillation, says study has successfully!
 
(cancel the learning status can click the S1 button when LED1 long bright, or wait 30 seconds will automatically quit learning!)
 
Theory of distance is 8 to 12 meters, but depends on the surrounding environment factors in actual applications and intermediate blocking (such as the diaphragm. Glass or other materials blocking), receiving head adopts HX1838T (T version of the quality is very good, not generally receive head) used in the experiment, can receive 38 k any remote control frequency coded data!
 
Note: most of the remote control of home appliance can be learn to identify, but air conditioning remote control, the 38 KHZ is remote control can't be learned!
 
 
 

Raspberry Pi 2 model B/B Triple GPIO Multiplexing Expansion Board Multiplex Extend Module Multiplex Plate
 
 
 
 
Description:
Features:
Raspberry PI B version Triple GPIO Multiplexing Board
 
Package Contents
100% Brand New
Raspberry Pi 2 model B/B Triple GPIO Multiplexing Expansion Board
We can also wholesale if you need a large quantity of item please contact us :)
 
 
 
 
 
 

GY-169 INA169 precision analog current converter current sensor module

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ESP8266 5V WiFi relay module Things smart home remote control switch phone APP
 
 
 

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ESP8266 5V WiFi relay module Things smart home remote control switch phone APP
 
 
 

Specification:
5 Color in total: Yellow, Blue, Black, Green, Red
Sizes: 1mm, 2mm, 3mm, 4mm, 6mm, 8mm, 10mm, 14mm
Quantity: 328pcs
Material: Polyolefin
Supplied internal diameter: 1mm, 2mm, 3mm, 4mm, 6mm, 8mm, 10mm, 14mm
Fully shrunk internal diameter: 0.5mm, 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm
Shrinkage Ratio: 2:1 ( will maximum shrink to 1 / 2 of its supplied diameter )
Minimum Shrinkage Temp: 70c
Full Shrinkage Temp: 110c maximum
Operating Temperature: -55c to 125c
Tensile strength: 10.4 Mpa
Dielectric strength: 15 kV / mm
Flammability: Flame Retardant
Supplied format ( round or flat ): Product is supplied flat
Cutting method: Scissors or sharp knife
Quantity:1 pack(328pcs)
 Note: Due to the difference  between different monitors, the picture may not reflect the actual color of the  item. Thanks for your understanding. 
( Quantity x Supplied internal diameter x Single length ) 
120pcs x 1.0 x 40mm (Yellow,Black,Red,Green) 
60pcs x 2.0 x 40mm (Yellow,Black,Red,Blue) 
40pcs x 3.0 x 40mm (Yellow,Black,Red,Green) 
32pcs x 4.0 x 40mm (Yellow,Black,Red,Blue) 
24pcs x 6.0 x 40mm (Yellow,Black,Red,Green) 
20pcs x 8.0 x 80mm (Yellow,Black,Red,Blue) 
16pcs x 10.0 x 80mm (Yellow,Black,Red,Green) 
16pcs x 14.0 x 80mm (Yellow,Black,Red,Blue) 
Package Includes: 
1x 328PCS(8 Sizes)  Heat Shrink Tubing

 
Optical EndstopLightControlLimitOpticalSwitchfor3DPrinters RAMPS 1.4
 
Description:
 
The optical endstop is a reliable endstop / switch solution for any type of 3D printers and other CNC and/ or 3D tools.
 
Package Included:
6 XOptical Endstop 
6 X Cable
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

To all sorts of color TV set memory (24 series IC), LCD (24.25 series IC) desktop motherboard (25 series IC) notebook (25 series IC) router (25 series IC) card (25 series IC) DVD (25 series IC), set-top boxes (25 series IC) software to unlock, backup, erasing, burning, check.
 
 
 
24 and 25 series FLASH programmer
 
 
 
Summary:
24 and 25 series of FLASH has been very popular at present. Burn for these chips, currently only professional programmer can support, but the price of a professional programmer is very expensive, not general maintenance users can have; So we can create a support block 24 series of EEPROM and ST, WINB IND, AMIC, MXIC, SST, SPANSION, EON, PMC and other manufacturers of 8 feet 25 series chip programmer.
 
 
 
The programmer features:
1, by special USB chip CH341 production. USB1.1 communication. Burning speed than ordinary ATMEGA8 25
Series of programming 2-3 times faster. Erase the burning check speed about 2-3 mbit per minute. Very suitable for amateur burning
24 and 25 series of FLASH.
2, support WIN98, WINME, WIN2K, WINXP, VISTA, Windows 7 - a 32-bit operating system.
3, USES the USB port power supply
2: put the programmer computer USB port, open the "CH341A programmer software" the burning software. Choose good chip capacity, can burn write and erase the chips.
Download online (USB serial port, P/S end cap off)
Put the programmer computer USB port, programmer received nine RX, TX foot on the TX and RX received notice from nine GND received nine GND.
Choose corresponding COM, open the corresponding download software platform, online upgrade your nine machine. (software upgrade not programmer accompanying the software)
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
We use the Ardui** UNO R3 to do work, I always feel bad connection on the port. Either use a breadboard plug wire, or use the sensor expansion board with DuPont wire connection, feelless reliable, and now we launch a terminal expansion board can be directly screwed to the terminal on the thread, that is reliable and convenient.
 
 
 
 
 
 
 
 
 
 
 

12V 24V light with light bar module, please be careful, other products are not applicable, there is no way to do after-sales oh, hope to understand!!
 
LED Manual DIMMER 8A(HH-SD-Dimmer-8A)
 
Function mode: can realize PWM stepless dimming, switching function.
 
Technical parameters:
 
Operating temperature: -20-60℃
Supply voltage (output voltage) : 12~24V
Output current (driving current) : <8A
Maximum output power: 12V- 96W, 24V- 192W
Output loop: 1 loop
Drive output mode: constant voltage output, PWM current regulation.
Dimensions: L89 x W60 x H53 mm
 
Product appearance and accessories:
 
The housing and the labels on it can be customized, and the length and size of the input power socket and output wire can be customized.
 
 
 
Instructions:
1. The power supply voltage of this product is DC12-24V, and shall not be connected to other voltages;
2. Power lines shall not be short-circuited to each other to cause short circuit;
3. The lead wire should be correctly connected according to the color provided in the wiring diagram;
4. The warranty period of this product is one year, but does not include the case of artificial damage or overload.

 
CJMCU-612 high fidelity stereo headphone amplifier low power audio amplifier TPA6120

 
Function Description: 
 
Because TFT01 LCD is working in 3.3V voltage, so can not be used directly on top of standard motherboards, so in order to make TFT01 LCD 
Compatible for use on standard motherboard design section TFT Shield, can be directly plugged into the motherboard using TFT01 LCD 
Modules. 
 
TFT01 LCD 
16 can support the current mode, since there is sufficient Mega2560 IO, while using only a touch screen interface or SD card interface, like in the case of face 328S will not exist.
 
 
Package Included:
 
1 X 3.2 inch TFT shield
 
 
 
 
 
 
 
 
 
 
 

 
Type: Pillow Block Bearing
 
Dimensions: 8 mm
 
 
 
 

PDel producto Característica:
 
¡Para la comodidad de los clientes! el voltaje de entrada de este módulo es de 3,3 V/5 V, ¡lo cual es más conveniente para el desarrollo y el uso!
Módulo VL6180X de proximidad, gestos y detección de luz ambiental (ALS).
Control deslizante 2 funciones:
Medición de rango, más allá de 400mm.
Sensor de luz ambiental, hasta 100 kLux1.
Pantalla de 4 dígitos, que muestra la distancia de un objetivo desde el sensor de proximidad o el valor lux desde la detección de luz ambiental (ALS).
Precisión de rango excelente, independiente de la reflectancia del objetivo.
La aplicación de reconocimiento de gestos básicos se puede desarrollar con uno o varios módulos VL6180X.
Compatible con la familia de placas Nucleo STM32.
Equipado con conector ArduinoTMUNO R3.
¡Conforme a RoHS!
 
Después de muchos experimentos, tenemos una rutina completa. Si necesitas información completa, compra el producto para ponerte en contacto conmigo. Te lo enviaré.
 
Cableado Descripción:
1. La salida digital de GPIO0 es de 10 pines;
2. pin SDA de placa de desarrollo de conector SDA;
3. pin SCL de placa de desarrollo de Juntas SCL;
4. La fuente de alimentación se puede conectar a 3,3 V o 5 V.
 
Instrucciones para el uso del módulo:
1. Descargue el código de rutina proporcionado a la placa de desarrollo WAVGAT;
2. Conecte el módulo VL6180 con la placa de desarrollo de acuerdo con las instrucciones de cableado;
3. Abra la ventana de monitoreo de puerto serial de Arduino IDE;
4. Cuando el sensor no está cubierto por delante, la ventana de monitoreo del puerto serial mostrará un 255;
5. Cuando hay oclusión, la distancia se muestra como distancia medida y la unidad es mm.

 
 
 
AMT1001 humidity module, that is, relative humidity sensor and circuit integration products. The module supply voltage for the DC voltage, relative humidity calculated by the voltage output, the module has high accuracy, high reliability, consistency, and with temperature compensation , To ensure long-term stability, ease of use and low prices and other characteristics, especially for quality, cost-demanding enterprises to use.
 
Relative humidity(% RH)

20

30

40

50

60

70

80

90

95
The output voltage(V)

0.6

0.9

1.2

1.5

1.8

2.1

2.4

2.7

2.85
 Range of application
Air conditioning, humidifier, dehumidifier, communication, atmospheric environment monitoring, industrial process control, agriculture, measuring instrument and other application fields.
Product highlights
Low power consumption, small volume, with temperature compensation, single-chip calibration linear output, high reliability, easy to use, low price.
Technical parameters
(1) Power supply voltage (VIN) : DC 4.75 ~ 5.25V
(2) Consumption current: about 2mA (MAX 3mA)
(3) the use of temperature range: 0 ~ 50℃
(4) The use of humidity range: below 95% RH (non-condensation)
(5) humidity detection range: 20 ~ 90% RH
(6) Storage temperature range: 0 ~ 50℃
(7) Storage humidity range: below 80% RH (non-condensation)
(8) humidity detection accuracy: ±5% RH (0 ~ 50℃,30 ~ 80% RH)
(9) Voltage output range: 0.6-2.7V DC

Optical Heart-Rate Monitor and Pulse Oximetry Solution 
Tiny 12.7mm x 12.7mm (0.5in x 0.5in) Board Size 
Low Power 
Device Drivers 
Free Algorithm 
Example C Source Code For Arduino And mbed Platforms 
Test Data 
Competitive Advantages 
Highly-integrated, small-size sensor 
Non-chest based heart-rate/SpO2 detection 
Ultra-low power consumption 
 
Applications: 
 
Wearables 
Heart-rate moni

 
 
 
 
 
USB Current Voltage Tester USB Voltage Ammeter USB Detector Double Row Shows New
Article-Nr.:5401323
Product Details:
USB Current Voltage Tester
Condition: New
Measuring range: DC 3v - 9v, current: 0-3a (error: ± 1% ), 5a biggest support
5a current (if more than 3a, error will be larger than 3% )
Color is shown as pictures
PLS NOTE that due to lighting effects, monitor's brightness/ contrass settings ect, there could be some slight differences in the color tone of the pictures and the actual item! 
Package Included:
1 X USB Current Voltage Tester
 
 
 
 
 
 
 
2.

 
5A overcurrent protection sensor module AC current sensor 12V relay
 
 

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Free shipping! Pulse Sensor Kit for Pulsesensor Heart Rate Module with Fitting
 
Shipping list:
Sensor 1 (with three DuPont line, 20cm, random color lines)
Black Ve lcro 4
Metal ear clip 1 (16mm)
Bandage 1
Transparent film 9
 

WS2812 LED 5050 RGB 5x5 5*5 25 LED Matrix for Arduino

Shipping list:
 
1.Screw Shield V2 terminal expansion board one pair
 
 
 
 
 

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1.L298N module is a
2. Shorting cap (blue, yellow, or black) 7, do not specify the color
Pin with black and yellow
Unless otherwise specified, the board terminals, pin color sent at random, can not be specified.
 
Robot motor driver board peripheral L298n
 
Product description:
The L298N driver module, using ST's L298N chip can directly drive two 3-30V DC motor, and provides a 5V output interface can 5V single-chip circuitry to supply, support 3.3VMCU control, you can easily control the DC motor speed and direction can be controlled two-phase stepper motor, smart car is essential.
 
Product parameters:
 
A driver chip: L298N dual H-bridge driver chip
 
2 drive section terminal supply area VMS: 5 V ~ 35 V
 
3 drive section peak current Io: 2A / Bridge
 
4 logical part of the terminal supply area Vss :4.5-5 .5 V
 
5 logical part of the operating current range: 0 ~ 36mA
 
6 Control signal input voltage range: 4.5-5.5V HIGH LOW 0V
7 Maximum power consumption: 20W
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

CN3065 Solar Charging Board
       The N3065 is a single-cell lithium battery charge management chip that can be powered by solar panels. The device includes a power transistor internally that does not require an external current sense resistor and blocking diode. The internal 8-bit analog-to-digital conversion circuit can automatically adjust the charging current according to the current output capability of the input voltage source. The user does not need to consider the worst case, and can maximize the current output capability of the input voltage source, which is very suitable for using solar panels. Lithium battery charging applications powered by voltage sources with limited current output capability. The CN3065 requires very few peripheral components and is compliant with USB bus specifications, making it ideal for portable applications. The thermal modulation circuit can control the temperature of the chip within a safe range when the power consumption of the device is relatively large or the ambient temperature is relatively high. The internal fixed constant voltage charging voltage is 4.2V, which can also be adjusted by an external resistor. The charging current is set by an external resistor. When the input voltage is powered down, the CN3065 automatically enters a low-power sleep mode where the battery current draw is less than 3 microamps. Other features include input voltage under-latch, automatic recharge, battery temperature monitoring, and charge status/charge end status indication.
Parameter:
Input voltage range: 4.4V to 6V
Maximum charging current: 500mA
Working temperature: -40 ° C to 85 ° C
Size: 2cm x 4cm
PH2.0X2P socket
 
Pin Interface:
 
SOLAR PH2.0X2P socket - and the left two pads - are conductive, connected to the solar panel;
BATT IN -, the right two pads - and SYS OUT - are conductive, BATT IN - connected to the lithium battery,
SYS OUT - connected to the load;
MicroUSB is connected to the input voltage source
 
Instructions for use:
 
 
 
    When charging the battery, it takes priority to take power from the external power supply. However, when the load consumption current is greater than the charging current, it will also take power from the battery. In the end, if the input is not enough, the battery will be slowly consumed. If the load is small, the battery will slowly fill up.
 

 
1pcs NodeMCU V3 Lua WIFI module integration of ESP8266 extra memory 32M Flash, USB-serial CH340G
 
 
 
 

 
 
 
 
Multi-function Shield has the following characteristics:
1 , with the market , 2009 UNO LENARDO 2560 controller seamlessly mainstream
2,4 -way LED indicator ( LED indicator to know the importance , in the actual doing projects , with this indicator can be used directly working status LED indicates the procedure to facilitate debugging.
3, DS18B20 temperature sensor interface that can be done to measure the temperature of the experiment , this price does not include the DS18B20 Oh, needed another shot .
4, LM35 temperature sensor interface that can be done to measure the temperature of the experiment , this price does not include LM35 Oh, needed another shot .
5,3296 precision adjustable potentiometer, analog input port ( can be used for controlling LED brightness, turn the steering angle , the digital voltage, etc. )
6 integrated infrared receiver that can fit any infrared remote control experiments , the price also does not include the integrated receiver and needed another shot .
7 , four digital tube ( using 74HC595 driver provincial IO learning SPI), you can do digital display experiment ( can display temperature , voltage, counter value , etc. ) .
8 , three separate buttons, a reset button , the button can do experiments ( HMI ) .
9 , the buzzer sound can be used for experiments . ( Can call the police , pronunciation , etc. )
10 , Bluetooth, wireless interfaces, voice module , voice recognition module can be used for wireless communication experiment
11 , servo interface, easy to drive servos
12 , infrred detection interface, easy and infrared docking realization of human traffic statistics , etc.
 
 
 
 
 
 
 
 
 
 
 
 
 

    
 
 
 
BT-09 !!!Android IOS HM-10 BLE Bluetooth 4.0 CC2540 CC2541 Serial Wireless Module
 
 

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MQ-6 Sensor Description :
 
 
 
 
 
 
 
 
 
 
 

MQ-9 Sensor Description
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Parameters:
 
 

 

 
 

Product name

ATX power supply board
 

Model

XH - M229
 

Compatible with the port

ATX (compatible with partial BTX type)
 

The PIN number

24 pin
 

Switch

Yes
 

Number of sets of output

Four sets of different voltages
 

Size

48 * 128 * 30 mm

 
 
MQ-8 Sensor Description:
MQ-8 gas sensor sensitive material used in clean air conductivity is lower tin dioxide (SnO2). When the sensor is present in the environment in which
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
MQ-135 Sensor Description :
Sensitive material MQ135 gas sensor is used in clean air low conductivity tin oxide (SnO2). When the sensor is kept in their environment
In the polluting gases , the conductivity sensor with increasing air pollution in gas concentration increases. Using a simple circuit can change the conductivity
Conversion of an output signal corresponding to the gas concentration .
MQ135 sensor for ammonia, sulfide , benzene vapor high sensitivity of the smoke and other harmful monitor is also very good. This sensor can be seized
Measure a variety of harmful gases , is a low-cost sensors for a variety of applications .
 
 
 
 
Module Applications:
Probe for home, environmental harmful gas detection device , suitable to ammonia , aromatic compounds , sulfur compounds , benzene vapor , smoke and other gases harmful gases , the gas sensitive element concentration range : 10 to 1000ppm
Module Features :
1 , using high-quality dual-panel design, with power indicator and TTL signal output instructions;
2 , the switching signal having a DO (TTL) output and analog output AO ;
3, TTL output valid signal is low . ( Low-level signal when the output light can be directly connected to the microcontroller or relay module )
4 , the higher the voltage , the concentration of the analog output voltage is higher.
5 , air quality , hazardous gas detection with good sensitivity .
6 , there are four screw holes for easy positioning ;
7 Product dimensions : 32 (L) * 20 (W) * 22 (H)
8 , has a long life and reliable stability
9 , rapid response and recovery characteristics
 
Electrical properties:
Input voltage : DC5V Power consumption ( current ): 150mA
DO output : TTL digital 0 and 1 ( 0.1 and 5V)
AO output :0.1-0 .3 V ( relative to pollution ) , the maximum concentration of a voltage of about 4V
Special note: After the sensor is powered , needs to warm up around 20S, measured data was stable , heat sensor is a normal phenomenon , because the internal heating wire , if hot is not normal .
 
Wiring:
1, VCC: positive power supply (5V)
2, GND: power supply is negative
3, DO: TTL switching signal output
4, AO: analog signal output
 
 
 
 
 
 
 
 
 
 
 
 

Nota:
1. El voltaje mínimo de este producto debe ser superior a 7V.
2. Este producto no tiene un amplificador de potencia. Al conectar, primero debe conectar el amplificador de potencia y luego conectar el altavoz
USB: conecta la unidad flash USB (soporte máximo de 32 GB, no incluido).
Pantalla LED a color: pantalla digital, que muestra rojo
Módulo receptor infrarrojo
TF: conecte la tarjeta de memoria TF (máximo 32 GB, no incluida)
AUX: Interfaz de entrada de audio
VOL-: la pulsación corta es para seleccionar la canción anterior; La pulsación larga es para disminuir el volumen
Reproducir/Pausar: Una pulsación corta es el cambio entre pausa y reproducción; Una pulsación larga es la estación automática FM.
VOL : pulsación corta, pasas a la siguiente canción; pulsación larga, subes el volumen.
Modo: cambio de USB/TF/FM/LINE IN/BLUETOOTH
 
El paquete incluye:
1 tablero decodificador MP3
1 x control remoto (sin batería, sin paquete al por menor)

100% brand new and high quality
External threads: 1/4"
temperature: -25~ 80 Celsius
Allowing pressure: pressure 1.75Mpa
Operating humidity range: 35% ~90% RH (no frost)
Use temperature: 80 Celsius
Load capacity: 10 mA (DC 5V)
Working voltage range: DC 5~18 v
Maximum operating current: 15 mA (DC 5V)
The lowest rated working voltage: DC4.5 5V-24V
Quantity:1PC
Size : 5.7cmX4cm/2.24''X1.57''
Color : white
     Lead Way:
Red  IN  connect the anode
Yellow  OUT  signal output line 
Black  GND  connect the cathode