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Temperature range: -9~99℃
Temperature control accuracy: 1℃
Measuring accuracy: 1℃
Refresh rate:approx. 0.5S
Setting range: -9~99℃
Input: DC 12V
Measurement input: Waterproof temperature sensor-NTC(3950-10k 1% )
Output: relay output
Environment: -10~60℃, 20~85% RH
Size: 78*51*2.5mm
Color: blue
Material: plastic
Features:
<  Wide application: Widely used in various spatial temperature control, water temperature control, incubators and more.
<  START indicator light:
Start(red) indicator lights on, that is, the relay is closed and the device begins to work.
<  Stop indicator light:
STOP(green)indicator lights on, that is, the relay is disconnected and the device stops working.
<  Operation:
1. High temperature start – cooling mode
-- Set the starting temperature value>stop temperature value, when the detected temperature≥starting temperature, the relay is closed, refrigeration equipment works.
-- When the detected temperature≤stopping temperature, the relay is disconnected,refrigeration equipment stops working.
2. Low temperature start – heating mode:
-- Set the starting temperature value-- When the detected temperature≥stopping temperature, the relay is disconnected, the heating device stops working.
<  The automatic identification of work mode: The system automatically  identify work mode according to the start/stop temperature
Notes:
1. Please allowed 1-3mm differences due to manual measurement, thank you for your understanding!
2. Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item.
Package list:
1 x temperature controller
1 x NTC probe

Mechanical arm electronic production of spare parts UNO learning kit acrylic creative package
Maker robots assemble study kits
Installation instructions link: https://pan.baidu.com/s/13LqEJMsD0ZoE0nOGpTJMMA
Extraction code: g7fy
This note is for reference only.
Steering gear, expansion board development board, these are not equipped
Acrylic Mechanics Handle Robot 4 DOF arm arduino Created Learning Kit sg90
product description
        This is a classic 4-degree-of-freedom machine is inspired by industrial robots. The kit is suitable for guest space, college students, high school students use. You can use arduino, 51 single-chip, model remote control, etc. to control the robot.
       The product is a spare part that is not assembled.
  Weight: 360g
 
Shipping list:
A set of acrylic cutting parts
A pack of screws

10000W Thyristor Power Regulator AC 220V SCR Dimmers High Power Electronic Digital Regulator Dimming Speed Voltage Regulator
 
Specification:
 
Work Voltage: AC 220V
Maximum power: 10000W, 5000W internal resistive load for long time at room temperature
Voltage Regulation: 0-220v, starting from about 10, under resistive load conditions.
 
Fuction:
 
The new bidirectional high-power thyristor is used, because the current can reach 100 amps, which solves the over-current problem caused by the resistance of the electric furnace wire being too small under cooling; it can easily adjust the output voltage of the mains, Adjust between -220v for electrical appliances. Such as: electric furnace, water heater, dimming of lamps, small motor speed, electric iron temperature. So as to achieve the effects of dimming, temperature and pressure. Available for large appliances with an electric power of less than 10,000 watts. Because the power is already large, ordinary household appliances or small factories are sufficient. (The power of the inductive or capacitive load should be reduced. This voltage regulator is equipped with a bidirectional high-power thyristor, which can be used without adding any components, which is very convenient and practical.)
Thicken the radiator. External potentiometer, no longer use the potentiometer to fix, effectively avoid the radiator is too heavy to cause potential damage and scrap.EASY USE IT~
Note:
This product is AC input and AC output. It can only be stepped down and connected to the load to regulate the voltage. It is useless to connect the multimeter without load. It is not a transformer.
 

We have strengthened the packaging, and there will be no more damage to the goods

Specifications:
Product Name: Programmable timer relay module
Working voltage: DC12V (normal operating voltage DC10V-16V)
Source: DC4V ~ 20V (positive trigger common power button, PNP sensors, PLC signals, etc.)
Output capability: You can control the DC or AC 220v5A within 30v5A within
Quiescent Current: 20mA,
working current: 50mA
Life: more than 10 million times;
Working temperature: -40 ~ 85'C;
Weight: about 26g
Dimensions: 64.2mm * 34.8mm * 18.5mm
Features:
anti-reverse voltage input circuit, worry-free wiring. Signal input optocoupler isolation, anti-interference ability. Set the parameters of power and permanent memory. Powerful flash MCU online programming capabilities, according to user needs can contact the manufacturers to customize the functionality.
Receives a trigger signal to start the countdown, while the relay, timing the end of the relay to stop working, time to recover to the set, waiting for the next trigger.
Instructions:
Click K1 enter the time setting, one hundred digital start flashing, then press K2, one hundred the number of changes; then click K1 ten digital start flashing, then press K2, the tens digit changes; then click K1 bit digital start flashing, then press K2, single-digit change; then click K1, exit the setting, LED no longer flashes.
Normal digital tube display, press K2, shifting the decimal point, a decimal point indicates 0-999 minutes in 10 bit from 0 to 99.9 seconds with no decimal point represent 0-999 seconds; to this time setting is completed.
Package Included:
1 x DC 12V Timer Delay Relay Module
 

Description:
Rated Voltage: DC5V
4-phase
Reduction Ratio: 1/64
Step Torque Angle: 5.625/64
DC Resistance: 200±7% (25)
Insulation Resistance: >10M (500V)
Dielectric Strength: 600V AC / 1mA / 1s
Insulation Grade: A
No-load Pull in Frequency: >600Hz
No-load Pull out Frequency: >1000Hz
Pull in Torque: >34.3mN.m(120Hz)
Detent Torque: >34.3mN.m
Temperature Rise: <40K(120Hz)
Noise: <40dB (120Hz, No load, 10cm)
Board Size: Approx. 29 ×21 mm

Drive-free USB sound card computer external sound card notebook sound card original CM108 USB sound card chip
USB external sound card
Bare board method Visible materials Small and easy to carry
Chip model: CM108 external crystal oscillator
Input and output: 3.5mm green headphone jack, 3.5mm microphone jack
USB interface, plug and play, replace the traditional sound card (the computer sound card is broken, it can be replaced directly)
Output analog audio signal can directly drive headphones or output to active speakers
Drivers do not need to be installed in WIN2000, WINXP, WIN3003 systems

Features : 
100% Brand New  
Voltage: DC 6-36V
Output current: 300mA
3 Wire
Polarity: NPN
Dimention: M12x10x55mm
Detection Distance: 4 mm
Ouput Status: Normally Open
Part number: LJ12A3-4-Z/BX
Detection objects: Conductor
Package Inclues:
   
1 x Inductive Proximity Sensor Detection Switch NPN DC6-36V LJ12A3-4-Z/BX

Description:
XH-M603 Charging Control Module 12-24V Storage Lithium Battery Charger Control Switch Protection Board
Product Introduction:
1.Model:XH-M603
2.Input Voltage:DC 10-30V
3.Display Precision:0.1V
4.Control Precision:0.1V
5.Output Type:direct output
6.Voltage Tolerance: /-0.1V
7.Application Fields:12-24V storage battery
8.Size;82*58*18mm
Using Method:
1.Set Starting Voltage:in normal display voltage state,press the button will display start charging voltage;long press for 3s the digital tube will flash;you can start or stop button to set starting up charge voltage value
2.Set Stop Voltage:in normal display voltage state,press the button will display stoping charge voltage;long press the button for 3s the digital tube will flash;you can start or stop button to set stoping charge voltage value
3.Factory Reset:in power on state press the start/stop button at the same time,digital tube will display 888;that represents factory reset settings
Package Included:
1× DC12V-24V Lithium Battery Charge Control Protection Board /w LED Display XH-M603

Onboard chip AT24C08 chip;
The pull-up resistor required for on-board I2C communication;
All pins are extracted and marked;
PCB board size: 1.9 (CM) x1.1 (CM)

MAX6675 is an American company with a cold junction compensation, linearity correction, thermocouple break detection ADC Serial K-type thermocouple, its temperature resolution capability is 0. 25 Degree, cold junction compensation range - 20 ~ 80 Degree, wide operating voltage range 3. 0 ~ 5. 5V
Operating voltage: 3. 0 ~ 5. 5V
Internal integrated cold junction compensation circuit;
With a simple three serial interface;
Temperature signal can be converted into 12-bit digital
Temperature resolution of: 0. 25 Degree;
Cold junction compensation range: - 20 ~ 80 Degree,
Embedded thermocouple break detection circuitry.
Using SPI 3 wire communication
K-type temperature probe
Type K temperature range 0-1024 degrees

Features:
1.Supply voltage: DC 1.8-12V
2.Output Power: 0.1W-5W ;4-32 Ohms
3.Dimensions: 52 x 31 x 23mm (L*W*H)
4.Input Interface: 3.5mm Audio input
5.Adjust form: volume adjustment
6.Using TDA2822M acts as amplifier chip, this chip is STMicroelectronics (ST) developed dual-channel monolithic power amplifier IC, usually in the pocket cassette player (WALKMAN), tape recorders and multimedia speaker in for the audio amplifier.
5.Simple circuit, good sound quality and wide voltage range

Infrared distance measurement module
Model: GY - VL53L0X
Using the chip: VL53L0X
Power supply: 2.8 to 5 v
Communication: the IIC communication protocol (fully compatible with 3-5 v system)
Module size: 10.5 mm * 13.3 mm

TDA2030A Module DIY Kit Parts 6-12V Single Power Supply Audio Amplifier Board Module 
 
Description:
 
TDA2030A audio amplifier circuit, often using V-5-pin single in-line plastic package structure. The integrated circuit is widely used in car stereo receiver tape recorders, medium-power audio equipment, with small size, large output power, distortion and other characteristics. And has an internal protection circuit.
Feature:
1. onboard TDA2030A audio power amplifier chip
2. mono 18W amplifier circuit design
3.on-board speaker wiring blocks
4.onboard 10K adjustable resistance, you can adjust the volume of amplification
5. Onboard power indicator
6. the chip has been the main pin leads, you can directly enter the audio signal
7. the working voltage: 6 ~ 12V
8.The peak output current is 3A
 

Bread line / the breadboard line cable breadboard the adapter cable bread board Norse (1-2 error may be, do not care too much about a bundle of 65)
1LOT=65PCS
The total length of 65 test lines were:
24CM (including with needle part) 4
20CM (including with needle part) 4
16CM (including with needle part) 8
12CM (including with needle part) 44
 

 Description 
Voltage range nput: 6 V to 32 V
Output voltage: The default value is 5 V. After activating the fast charge, it automatically adjusts between 3 and 12 V.
Output power? 24 W (5 V 3.4A 9 V 2.5A 12 V 2A etc.)
Cable output voltage compensation
Conversion efficiency: 90% to 97%
Supports multiple fast loading protocols
Input overvoltage, protection below voltage
Overcurrent protection input
Protection against overcurrent and short circuits
About temperature protection
Support fast loading protocol
For BC1.2, iPhone, Samsung agreement
For Qualcomm QC2.O and QC3.O
MTKPEI.1 / PE2.O
Fast loading FCP protocol
Star AFC fast charge protocol
Fast loading agreement SFCP
 The applications 
Solar panel for mobile phone charging
Retrofit car load
Driving recorder of power supply
House of energy conversion
 Graphite crucible mini gold furnace metal melting torch: 
1 Piece DC-DC Step Down Buck Converter Charge Module

 Description 
Voltage range nput: 6 V to 32 V
Output voltage: The default value is 5 V. After activating the fast charge, it automatically adjusts between 3 and 12 V.
Output power? 24 W (5 V 3.4A 9 V 2.5A 12 V 2A etc.)
Cable output voltage compensation
Conversion efficiency: 90% to 97%
Supports multiple fast loading protocols
Input overvoltage, protection below voltage
Overcurrent protection input
Protection against overcurrent and short circuits
About temperature protection
Support fast loading protocol
For BC1.2, iPhone, Samsung agreement
For Qualcomm QC2.O and QC3.O
MTKPEI.1 / PE2.O
Fast loading FCP protocol
Star AFC fast charge protocol
Fast loading agreement SFCP
 The applications 
Solar panel for mobile phone charging
Retrofit car load
Driving recorder of power supply
House of energy conversion
 Graphite crucible mini gold furnace metal melting torch: 
1 Piece DC-DC Step Down Buck Converter Charge Module

Baby parameters
Module size: 3.4cm*5.2cm;
Supply voltage: 5V;
Module interface description
VCC: positive power supply;
GND: negative power supply
IN0-IN7: 8 analog input ports;
D0-D7: 8-bit data output port;
CLK: ADC0809 clock;
OE: output enable signal, active high;
EOC: conversion end signal, active high;
STR: start conversion signal;
All IO ports are led out, and debugging is more convenient and flexible through the following short-circuit caps:
The J7 potentiometer enables control, the J7 short-circuit cap is inserted, and the potentiometer voltage regulating circuit on the board is connected to the channel IN3;
J8 controls the connection between the positive reference voltage VREF and VCC, select the positive reference potential as 5V, or remove the shorting cap and input the positive reference voltage yourself;
J9 controls the connection between the negative reference voltage VREF- and GND, and selects the negative reference potential as 0V. You can also remove the short-circuit cap and input the negative reference voltage yourself;
J3/J4/J4 select the address of the analog channel input for the flashlight, you can also remove the short-circuit cap and set the channel address through the MCU software;

This is a breakout board for the built in WS2812 RGB LED. The WS2812 is actually an RGB LED with a WS2811 built right into the LED! All the necessary pins are broken out to 0.1" spaced headers for easy bread-boarding. Several of these breakouts can be chained together to form a display or an addressable string.
Documents:
Schematic
Eagle Files
Datasheet (WS2812)
Example Code
Hookup Guide
GitHub

Embed version of Mega 2560 CH340G/ATmega2560 - compatible with Arduino Mega 2560 board. Built on the Atmel ATmega2560 microcontroller and USB-UART interface chip CH340G.
Board have compact size 38x55mm. It is good solution, to make your final project on solder proto-board.
Board for functionality similar to the Arduino Mega 2560. It is embed board, but the same stable, and uses the original chips ATmega2560 (16 MHz).
The board used the chip CH340G as converter UART-USB. When you work in the frequency 12Mhz, giving a stable result of data exchange (need install drivers to computer).
Mega PRO (Embed) 2560 CH340G / ATmega2560 - connects to the computer via microUSB cable (used for almost all Android smartphones).
You can supply power to board through the MicroUSB connector or to power pinheaders. The voltage regulator (LDO) can deal with incoming voltage from 6V to 9V (peack 18V) DC. Output current for 5V - about 800mA, for 3.3V - about 800mA (Please note that the higher the input voltage the lower the outgoing current). That will provide a reliable power most of your initial projects. 
 

Specification:
 
100% brand new and high quality
 
Size: approx. 8.8*8cm
 
Interface: Micro USB
 
Standby power: average power is less than 50 mW;
 
Conversion efficiency: greater than 73 %
 
Transfer distance: maximum 10mm, recommended transceiver distance 2 mm~4 mm
 
Product Certification: CE/FCC, compatible with QI certified standards;
 
Standards: Qi wireless charging standard
 
Slim 10W Fast Qi Wireless Charger PCBA Circuit Board with Coil Wireless Charging Pad DIY
 
Input voltage: DC9V1.5~2A, over this range of voltage alarm and stop charging; Output voltage: 9V±0.1V;
 
Charging current: 1200mAh;Charging power: maximum can reach 10 W
 
Over temperature protection: when the temperature is higher than 60 degrees,
 
it will automatically stop charging for 1 minute, and then the temperature is lower, it will re-charge.
 
Over current protection: when the current is over 2A, it will automatically stop charging
 
to avoid damage the electrical devices.
 
Certification: CE/FCC, compatible with QI certified standards; Standards: Qi wireless charging standard
 
 
 
Package Includes:
 
1x Wireless Charger PCBA Circuit Board with Coil DIY
 
 
 
Note:
 
Due to the hand measurement, there have size error about 1-5mm
 
Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same

Specification:
Material: Semiconductor silicon controlled
Size: approx. 85 * 55 * 38 mm
Working Voltage: AC 220V
Highest power: 4000 watt (connected resistive load, longtime use show lower the power)
Under 10amps current, does not need extra cooling.
Over 10amps current, need add cooling fan.
Voltage regulation: AC 10-input
 
Feature:
Control the speed of a AC motor with this controller
High temperature resistant FR - 4 circuit board
Fine workmanship and stable performance.
Durable in use.
Used in electric furnace, water heater, lamps, small motor, electric iron etc.
Suitable for AC brush motor.
 
How to Use:
Adjustable Power Supply Board, connect this device with lamp or home appliance or electric circuit.
Then rotate the knob for dimming, speed, voltage, temperature control.
 
Package included:
1pc x Voltage Regulator (without the shell)
 
Note:
Please allow 1-5mm errors due to manual measurement.
Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.

DC 12V 24V 36V Motor Speed Controller Board Pulse Width Modulation PWM Controller DC Motor Speed Regulator Switch  Control 3A
 
 
Description:
 
Control the speed of a DC motor with this controller.
Control the light of a lamp with this controller.
High efficiency, high torque, high power, high heat dissipation.
With overcurrent protection.
The high quality COMBICON improve the stability of circuit.   
 
 
Specifications:
Input voltage: DC12V - 36V
Sustained current:3A,max.6A(Need to add a cooling fan when max. current)
PWM Duty Cycle:0 -100%
PWM Frequency:500KHz
Material: Plastic, metal
Size (L*W*H):56mm*36mm*22mm      
 
 
Package:
 
1 x 12V-36V Pulse Width PWM DC Motor Speed Regulator Controller Switch 12V 24V 3A

pecifications
1.module:20.5mmx41mm
2. the moduleweight:57g
Introduction to 1602-characterLCD
1602LCD maintechnicalparameters:
1.displaycapacity:16x2characters
2.chipworkingvoltage:4.5-5.5V
3.current:2.0mA(5.0V)
4.moduleoptimumworkingvoltage:5.0V
5.charactersize:2.95x4.35(WxH)mm

Bluetooth specification Bluetooth V2.1
Supply voltage DC2.8-4.2V, ≤2.9V automatic shutdown, ≤3.1V alarm
Bluetooth protocol HFPV1.5, A2DPV1.2, AVRCPV1.4, HSP1.2, GAVDP1.2, IOP
Working current ≤60mA
Standby current <500uA
Temperature range -40oC ~ 85oC
Wireless transmission range ≤10 meters
Transmission power Class2 4dbm
Sensitivity -80dBm <0.1% BER
Frequency Range 2.4GHz ~ 2.480GHz
External Interface Serial (TTL), connected to the PC need MAX232
SBC decoding audio performance
Module size 25x13.5x1.8mm
Adapter plate size 31x25mm

Parameter:
Shot : 1/4   5M
Aperture : 2.9
Focal length : 3.29
FOV : 65 degree
Sensor type : OmniVision OV5647 Color CMOS QSXGA (5-megapixel)
Sensor size : 3.67 x 2.74 mm (1/4" format)
Pixel Count : 2592 x 1944
Pixel Size : 1.4 x 1.4 um
Lens : f=3.6 mm, f/2.9
Angle of View : 54 x 41 degrees
Field of View : 2.0 x 1.33 m at 2 m
Full-frame SLR lens equivalent: 35 mm
Fixed Focus : 1 m to infinity
Video : 1080p at 30 fps with codec H.264 (AVC)
Up to 90 fps Video at VGA
Board size : 25 x 24 mm (not including flex cable)
Support Raspberry Pi 3 Model B

LC-01 51 AVR Programmer ISP USBASP Downloader USBISP Download Cable 10 Pin Cable USB ATMEGA8
ATMega8 (L) chip on board
With power and programming two lights
Onboard over-current protection from the recovery fuse
The target board supports 5V and 3.3V power supply
Package: 1pcs USBASP downloader 1pcs 10P data cable
​Description:
Applicable to WIN 8.1/8/7/XP 32-bit/64-bit system computer.
The product can be directly connected with the computer USB port, the real USB download device, therough which to connect the target board the microcontroller can be downloaded programming easy to use, especially for notebook computers, desktop computer, through the USB port programming download debugging.
Feature:
-Supprot AT89S51/52 single-chip
-Support AVR all ASP chips
-The output port is ATMEL standard port
-With USB power and target board support target voltage 5V, can be selected through the jumper cap connection
. -AUTOSPEED automatic speed control firmware, the downloader will automatically track the chip to be programmed frequency, automatically change the speed to achieve automatic speed control.
-Reserved MOSI, MISO, RET, SCK, VCC, GND. 6PIN interface, user-freindly connection to the target board. 
-Set PROGRAMMING programming interface, the user can upgarde the downloader firmware.
Support chip listing :
51 series: 
AT89S51 AT89S52 AT89S53 AT89S8252
AVR series: 
ATTiny12(L) ATTiny13(V) ATTiny15(L) ATTiny24(V) ATTiny25(V)
ATTiny26(L) ATTiny2313(V) ATTiny44(V) ATTiny45(V) ATTiny84(V) 
ATTiny85(V) AT90S2313(L) AT90S2323(L) AT90S2343(L) AT90S1200(L) 
AT90S8515(L) AT90S8535(L) ATMEGA48(V) ATMEGA8(L) ATMEGA88(V) 
ATMEGA8515(L) ATMEGA8535(L) ATMEGA16(L) ATMEGA162(V) 
ATMEGA163(L) ATMEGA164(V) ATMEGA165(V) ATMEGA168(V) 
ATMEGA169(V) ATMEGA169P(V) ATMEGA32(L) ATMEGA324(V) 
ATMEGA325(V) ATMEGA3250(V) ATMEGA329(V) ATMEGA3290(V) 
ATMEGA64(L) ATMEGA640(V) ATMEGA644(V) ATMEGA645(V) 
ATMEGA6450(V) ATMEGA649(V) ATMEGA6490(V) ATMEGA128(L) 
ATMEGA1280(V) ATMEGA1281(V) ATMEGA2560(V) ATMEGA2561(V)
AT90CAN32 AT90CAN64 AT90CAN128 AT90PWM2(B) AT90PWM3(B) and so on

SHT30 Digital Output Temperature and Humidity Sensor Module IIC I2C Interface 3.3V GY-SHT30-D For Arduino
Product Features
The digital temperature and humidity sensor module uses the SHT30 chip, and the measurement data is factory corrected, linearized, and temperature compensated. With temperature and humidity alarm output and software and hardware reset function. Avoid use in volatile organic environments in order not to damage the device.
Product Parameters
Optimal working temperature and humidity range: 5 ° C ~ 60 ° C 20% RH ~ 80% RH
Working voltage: 2.4 ~ 5.5V recommended 3.3V
Humidity measurement range: 0 to 10% RH
Humidity accuracy error: ±3% RH
Resolution: 0.01% RH
Repeatability: 0.10-0.25% RH
Response time: 8s
Long-term drift: <0.25% RH/year
Temperature measurement range: -40 ° C ~ 125 ° C
Temperature accuracy error: ±0.3 °C
Resolution: 0.015 ° C
Repeatability: 0.06-0.24 °C
Response time: >2s
Long-term drift: <0.03 ° C / year

SIM800C is new

Tip: It is recommended to use it under win7 and XP. Some customer feedback on win10 can be used, and some are not. Please consider carefully before placing an order.
Module introduction:
The module adopts HID technology, foreign trade quality, no driver is needed, and the download file has its own application program, plug and play. Support WIN7, XP 32-bit, 64-bit system, easy to use. We provide application programs and C secondary development library code. There is no VB code, but they are all dll files. Therefore, if you can operate on VB, you need to try it by friends who are familiar with VB. Since engineers go abroad for further studies, they cannot provide you with technical support, so please read the information before shooting.
Information: http://pan.baidu.com/s/1skSoxxb
It contains all the information of the product, which is already very detailed. Please consider buying it if there is something you need. Please bear with me for the inconvenience caused.
Module application:
Home smart switch control, hotel smart switch, hotel smart electrical control, smart greenhouse, shopping mall smart switch, company plant smart switch, Internet cafe timing management, karaoke timing control, Internet of Things, industrial control equipment, test equipment power control, street light management , Intelligent management, centralized power management, etc.
Module description:
1. Onboard square USB interface, stable connection
2. Use imported high-performance USB control chip
3. Use special relay drive chip ULN2803, the relay work is more stable
4. Use Relay
5. Military-grade PCB board production
6. Board power sockets and terminals, two power access methods are convenient and flexible. After the power is connected, even if the computer is turned off or the USB is unplugged from the computer, the relay can also remain set.
7. Fixing hole size: 3mm
 
Note: Due to the characteristics of the USB protocol, this module is not suitable for use in places with high electromagnetic interference! If you want to use it, please take electromagnetic shielding measures and buy a high-quality USB data cable with electromagnetic shielding.
Product parameters:
Input voltage: DC 5V
Input current: more than 300mA
Connection method: NC/COM/NO
Relay parameters:
Can control AC 250V, 10A AC load and DC30V 10A DC load
Chinese and English software interface:
 
1. Green means the relay is closed, red means open
 
2. After turning on the device, the software automatically obtains the current working status of the relay

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)

Description:
200W DC-DC high voltage power synchronous buck module
8-60V wide voltage input, 1-36V stepless adjustable output
The maximum peak output current 15A
Perfect ultra-efficient circuit design up to 94% Low Ripple
Parameter:
Name: 200W adjustable synchronous buck module
Type: Non-isolated step-down module (BUCK)
Aluminum housing Size: 70 x 38 x 31mm / 27.5"x15" x12"
Input voltage: 8-55V (limit 60V, please leave allowance)
Output voltage: 1-36V continuously adjustable (the default output 12V)
Output Current: Normal 10A , MAX15A 
Output power: natural cooling ventilated long-term power 100W
To enhance heat dissipation up to 200W
Such as long working hours, please note left margin and make the heat rise
Operating temperature: -10 to 85 degrees
Operating frequency: 180KHz
Conversion efficiency: up to 94%
Overcurrent protection: Yes (the output current exceeds (15A) current maximum sample protection only)
Reverse polarity protection: (reverse does not burn)
Wiring: high current terminals, solderless, IN input is positive, IN- is the input negative, OUT positive output, OUT- output negative
Package:
1 x 15A 200W Adjustable DC-DC Step Down Converter Buck Module 60V adjustable voltage stabilized synchronous rectification module