Elektronikus alkatrészek és félvezetők

Feature
100% Brand new and high quality
Brand new compatible passive speaker buzzer module
Features control the buzzer sounds
Compatible and mini design
Made of PCB material
DIY parts
Color: black
Size:26 x 15 x 10mm
1PCS ×Passive Speaker Buzzer Module

Product Name: Toggle Switch
Type: ON-ON / ON-OFF-ON
Thead Dia(Approx): 0.57cm / 0.22"
Pins Number : 3
Body Size: 13 x 8 x 10mm/0.5" x0.31" x 0.4" (L*W*H)
Power :AC 125V 6A, AC 250V 3A
Package Content: 1 x Toggle Switch

Features:
Portable Mobile Power Supply Module.
Supports 3 USB cables.
Hold down the button after standby, LED digital display power supply.
LED digital screen shows current battery power when charging.
When discharging, the LED digital screen displays the current power, and the display saves about 30 seconds (double-click button to restore the display).
After charging and discharging, the system will provide accurate battery instructions.
Specifications:
Material: ABS
Size: 65*25*5mm/2.56*0.98*0.2"
Notes:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3mm measuring deviation due to manual measurement.

Features:
Portable Mobile Power Supply Module.
Supports 3 USB cables.
Hold down the button after standby, LED digital display power supply.
LED digital screen shows current battery power when charging.
When discharging, the LED digital screen displays the current power, and the display saves about 30 seconds (double-click button to restore the display).
After charging and discharging, the system will provide accurate battery instructions.
Specifications:
Material: ABS
Size: 65*25*5mm/2.56*0.98*0.2"
Notes:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3mm measuring deviation due to manual measurement.

Description:
1  L9110S-chip motor drive
2 Module supply voltage: 2.5-12V
3 Suitable Motor range: between motor operating voltage 2.5v-12V, the maximum operating current of 0.8A, the current smart car voltage and current market are within this range
4 Drive two DC motors, or a 4-wire 2-phase stepping motor.
5 PCB board size: 2.8cm * 2.1cm ultra-small size, suitable for assembly
6 Is provided with a fixed mounting holes, diameter: 3mm
 
modules Interfaces:
6P black bent pin description:
1 VCC external voltage 2.5V-12V
2 GND External GND
3 AIA external microcontroller IO port
4 AIB external microcontroller IO port
5 BIA external microcontroller IO port
6 BIB external microcontroller IO port
4P green terminal:
   1 OA1 OB1 contact DC 2-pin, non-directional
   2 OA2 OB2 contact DC 2-pin, non-directional
 
Use:
ON VCC, GND module power indicator light
AIA input high, AIB input low, [OA1 OB1] motor is transferred;
AIA input low, AIB input high, [OA1 OB1] motor reversal;
BIA input high, BIB input low,] [OA2 OB2 motor is transferred;
BIA input low, BIB input high,] [OA2 OB2 motor reversal;
 
Package includes:
1 x L9110S H-bridge Stepper Motor Dual DC motor Driver Controller Board 

MH-M18/M28/M38 is a low-power Bluetooth design solution that supports the latest Bluetooth 4.2 transmission, two-channel stereo lossless playback, and Bluetooth wireless transmission when the module is connected to Bluetooth, which is very convenient. In an open environment, the Bluetooth connection distance can be up to 20 meters.
Widely used in a variety of Bluetooth audio reception, a variety of audio DIY modification.
For your different needs, we offer 3 versions for you to choose from:
 
2.Function /Pin definition 
1. Bluetooth V4.2 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output.
2. After the module is powered on, the mobile phone searches for the Bluetooth name MH-M18/MH-M28/MH-M38, and can play music after connecting Bluetooth.
3, module blue indicator light:
When the Bluetooth is not connected, the indicator light flashes quickly;
When the Bluetooth connection is on, the indicator light is always on;
The following is an introduction to each version:
MH-M18:
PCB size: 23*16*2.5mm (length, width and height)
Pin pitch: 2.54mm (can be directly attached or soldered)
 
 
 
 
 
3. Function /Pin definition
 
1.The interface adopts a semi-hole process, which is convenient for customers to directly attach or solder to the board.
2.1. Bluetooth V4.2 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output.
PIN NO

Function

Description
1

KEY

Button control terminal (4 button functions, additional resistors such as wiring diagram)
2

MUTE

Mute control terminal (output high level 3.3V when muting, output low level during playback)
3

VCC

Positive power supply 5V (lithium battery 3.7V power supply requires short circuit diode)
4

GND

GND
5

L

Left channel
6

R

Right channel
 
MH-M28:
 

PIN

Description
1

5V

5V
2

GND

GND
3

VBAT

lithium battery 3.7V power supply3.7V-4.2V
4

L

Left channel
5

R

Right channel
6

AGND

Audio GND
 
1. Power supply: You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also connect 5V power supply or 3.7V lithium battery (as shown below). Note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.
2. Audio output: The earphone can be directly connected to the 3.5mm audio interface, or it can be wired for the audio input of the power amplifier board (the interface L/R/AGND can be directly wired as shown).
MH-M38:
 
 

PIN

Description
1

5V

5V
2

GND

GND
3

VBAT

lithium battery 3.7V power supply3.7V-4.2V
4

L

Left channel
5

R

Right channel
 
 
1. Power supply: You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also connect 5V power supply or 3.7V lithium battery (as shown below). Note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.
The maximum operating current is 5V2A. It is recommended to use a regulated 5V2A power supply for better sound quality.
2. Support USB sound card, free drive (plug and play). Connect the module to the computer with a USB cable, and the computer can play music through the module amplifier output.
Audio output: output left and right stereo audio signals, which can be connected to two 2-8 ohm, 3-5W speakers, and 4 Euro 5W speakers.
3. This product has its own dual 5W power amplifier circuit, and must not be connected to another amplifier! The outputs of the two amplifiers may not be connected in parallel or the negative poles may be connected together, otherwise the power amplifier chip may be damaged.

MH-M18/M28/M38 is a low-power Bluetooth design solution that supports the latest Bluetooth 4.2 transmission, two-channel stereo lossless playback, and Bluetooth wireless transmission when the module is connected to Bluetooth, which is very convenient. In an open environment, the Bluetooth connection distance can be up to 20 meters.
Widely used in a variety of Bluetooth audio reception, a variety of audio DIY modification.
For your different needs, we offer 3 versions for you to choose from:
 
2.Function /Pin definition 
1. Bluetooth V4.2 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output.
2. After the module is powered on, the mobile phone searches for the Bluetooth name MH-M18/MH-M28/MH-M38, and can play music after connecting Bluetooth.
3, module blue indicator light:
When the Bluetooth is not connected, the indicator light flashes quickly;
When the Bluetooth connection is on, the indicator light is always on;
The following is an introduction to each version:
MH-M18:
PCB size: 23*16*2.5mm (length, width and height)
Pin pitch: 2.54mm (can be directly attached or soldered)
 
 
 
 
 
3. Function /Pin definition
 
1.The interface adopts a semi-hole process, which is convenient for customers to directly attach or solder to the board.
2.1. Bluetooth V4.2 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output.
PIN NO

Function

Description
1

KEY

Button control terminal (4 button functions, additional resistors such as wiring diagram)
2

MUTE

Mute control terminal (output high level 3.3V when muting, output low level during playback)
3

VCC

Positive power supply 5V (lithium battery 3.7V power supply requires short circuit diode)
4

GND

GND
5

L

Left channel
6

R

Right channel
 
MH-M28:
 

PIN

Description
1

5V

5V
2

GND

GND
3

VBAT

lithium battery 3.7V power supply3.7V-4.2V
4

L

Left channel
5

R

Right channel
6

AGND

Audio GND
 
1. Power supply: You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also connect 5V power supply or 3.7V lithium battery (as shown below). Note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.
2. Audio output: The earphone can be directly connected to the 3.5mm audio interface, or it can be wired for the audio input of the power amplifier board (the interface L/R/AGND can be directly wired as shown).
MH-M38:
 
 

PIN

Description
1

5V

5V
2

GND

GND
3

VBAT

lithium battery 3.7V power supply3.7V-4.2V
4

L

Left channel
5

R

Right channel
 
 
1. Power supply: You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also connect 5V power supply or 3.7V lithium battery (as shown below). Note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.
The maximum operating current is 5V2A. It is recommended to use a regulated 5V2A power supply for better sound quality.
2. Support USB sound card, free drive (plug and play). Connect the module to the computer with a USB cable, and the computer can play music through the module amplifier output.
Audio output: output left and right stereo audio signals, which can be connected to two 2-8 ohm, 3-5W speakers, and 4 Euro 5W speakers.
3. This product has its own dual 5W power amplifier circuit, and must not be connected to another amplifier! The outputs of the two amplifiers may not be connected in parallel or the negative poles may be connected together, otherwise the power amplifier chip may be damaged.

MH-M18/M28/M38 is a low-power Bluetooth design solution that supports the latest Bluetooth 4.2 transmission, two-channel stereo lossless playback, and Bluetooth wireless transmission when the module is connected to Bluetooth, which is very convenient. In an open environment, the Bluetooth connection distance can be up to 20 meters.
Widely used in a variety of Bluetooth audio reception, a variety of audio DIY modification.
For your different needs, we offer 3 versions for you to choose from:
 
2.Function /Pin definition 
1. Bluetooth V4.2 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output.
2. After the module is powered on, the mobile phone searches for the Bluetooth name MH-M18/MH-M28/MH-M38, and can play music after connecting Bluetooth.
3, module blue indicator light:
When the Bluetooth is not connected, the indicator light flashes quickly;
When the Bluetooth connection is on, the indicator light is always on;
The following is an introduction to each version:
MH-M18:
PCB size: 23*16*2.5mm (length, width and height)
Pin pitch: 2.54mm (can be directly attached or soldered)
 
 
 
 
 
3. Function /Pin definition
 
1.The interface adopts a semi-hole process, which is convenient for customers to directly attach or solder to the board.
2.1. Bluetooth V4.2 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output.
PIN NO

Function

Description
1

KEY

Button control terminal (4 button functions, additional resistors such as wiring diagram)
2

MUTE

Mute control terminal (output high level 3.3V when muting, output low level during playback)
3

VCC

Positive power supply 5V (lithium battery 3.7V power supply requires short circuit diode)
4

GND

GND
5

L

Left channel
6

R

Right channel
 
MH-M28:
 

PIN

Description
1

5V

5V
2

GND

GND
3

VBAT

lithium battery 3.7V power supply3.7V-4.2V
4

L

Left channel
5

R

Right channel
6

AGND

Audio GND
 
1. Power supply: You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also connect 5V power supply or 3.7V lithium battery (as shown below). Note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.
2. Audio output: The earphone can be directly connected to the 3.5mm audio interface, or it can be wired for the audio input of the power amplifier board (the interface L/R/AGND can be directly wired as shown).
MH-M38:
 
 

PIN

Description
1

5V

5V
2

GND

GND
3

VBAT

lithium battery 3.7V power supply3.7V-4.2V
4

L

Left channel
5

R

Right channel
 
 
1. Power supply: You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also connect 5V power supply or 3.7V lithium battery (as shown below). Note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.
The maximum operating current is 5V2A. It is recommended to use a regulated 5V2A power supply for better sound quality.
2. Support USB sound card, free drive (plug and play). Connect the module to the computer with a USB cable, and the computer can play music through the module amplifier output.
Audio output: output left and right stereo audio signals, which can be connected to two 2-8 ohm, 3-5W speakers, and 4 Euro 5W speakers.
3. This product has its own dual 5W power amplifier circuit, and must not be connected to another amplifier! The outputs of the two amplifiers may not be connected in parallel or the negative poles may be connected together, otherwise the power amplifier chip may be damaged.

 
 
Introduction:
Onboard 8P-chip carrier, can support AT24C256 series chips;
Pin power supply, on-board power indicator;
on-board pull-up resistor for I2C communications required ;
All pins leads out and be marked, the address input and the write-protect pin direct jumper settings;
PCB board size: 36.5 (mm) x12 (mm)

The high-voltage module is made by using the Tesla coil principle, and outputs high-voltage pulse high-voltage current, small volume, high efficiency, simple peripheral circuit (just need to connect the switch, the battery can be) the discharge intensity is fierce.
Input voltage: DC 3V-6V
Input current: 2A-5A
High voltage type: pulse current type
Output voltage: about 200,000 volts (please pay attention to safety when using)
High-voltage two-pole discharge distance: 10mm-20mm
Output high voltage line length: about 100mm
Input power cord length: about 100mm (red line is positive)
Dimensions: Φ24*64mm
About the power supply: you can use a single 3.7V lithium battery or two series, such as 18650 battery, idle mobile phone battery (to remove the protection board, recommended capacity above 2000mAh) or nickel cadmium / nickel metal hydride battery, 4V or 6V lead acid Battery, etc.

 
Introduction:
 ESP32 is already integrated antenna and RF balun, power amplifier, low-noise amplifiers, filters, 
and power management module. The entire solution takes up the least amount of printed circuit board area.
This board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips by TSMC 40nm low power technology,
power and RF properties best, which is safe, reliable, and scalable to a variety of applications.
 
Features:
 High performance-price ratio
Small volume, easily embeded to other products
Strong function with support LWIP protocol, Freertos
Supporting three modes: AP, STA, and AP STA
Supporting Lua program, easily to develop
 
 
 

 
Introduction:
 ESP32 is already integrated antenna and RF balun, power amplifier, low-noise amplifiers, filters, 
and power management module. The entire solution takes up the least amount of printed circuit board area.
This board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips by TSMC 40nm low power technology,
power and RF properties best, which is safe, reliable, and scalable to a variety of applications.
 
Features:
 High performance-price ratio
Small volume, easily embeded to other products
Strong function with support LWIP protocol, Freertos
Supporting three modes: AP, STA, and AP STA
Supporting Lua program, easily to develop
 
 
 

 
Introduction:
 ESP32 is already integrated antenna and RF balun, power amplifier, low-noise amplifiers, filters, 
and power management module. The entire solution takes up the least amount of printed circuit board area.
This board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips by TSMC 40nm low power technology,
power and RF properties best, which is safe, reliable, and scalable to a variety of applications.
 
Features:
 High performance-price ratio
Small volume, easily embeded to other products
Strong function with support LWIP protocol, Freertos
Supporting three modes: AP, STA, and AP STA
Supporting Lua program, easily to develop
 
 
 

 
250 W boost constante stroom module
Module eigenschappen: niet-geïsoleerde step-up module (BOOST)
Ingangsspanning: DC8.5V-48V
Ingang stroom: 10A (MAX) overschrijdt 8A gelieve verbeteren warmteafvoer
Ruststroom: 10mA (12 V liter 20 V, de uitgangsspanning, de hogere
De stroom zal toenemen te rustig)
Uitgangsspanning: 10-50 V continu verstelbare
Constante] bereik: 0.2-8A
Temperatuur:-40 tot 85 graden (omgevingstemperatuur te hoog is, gelieve verbeteren warmteafvoer)
Frequentie: 150 KHz
Omzettingsrendement: tot 96%
Overstroombeveiliging: Er
Input omgekeerde polariteit bescherming: Ja,
Installatie: 4 3mm schroefgaten
Aansluiting methode: Aansluiting Uitgang
Module grootte: Lengte 70mm breedte 36mm hoogte 13mm
Enkele module: 50g
 
Toepassingen:
1, DIY een voeding, 12 V kan input en output kan 12-50 V verstelbare.
2, de voeding voor uw elektronische apparaat, volgens uw
Systeem kan de uitgangsspanning waarde.
3, als de auto voeding voor uw laptop, PDA of een verscheidenheid van digitale
Producten leveren.
4, DIY een mobiele notebook voeding: 12 V in combinatie met hoge capaciteit
Lithium batterij, zodat u kunt gaan waar licht waar boeken.
5, zonnepaneel regulator.
6, om de batterij, oplaadbare lithium batterijen.
7, rijden high-power led-verlichting.
 
   
Pakket Inbegrepen:
1 x DC DC boost converter Constante Stroom Mobiele voeding 250 W 10A LED Driver