Ultrasonic Distance SensorDescription:This is the HC-SR04 ultrasonic distance sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an ultrasonic transmitter, a receiver and a contr..
DC-DC voltage regulating module xl4016 external potentiometer voltage reducing module high power 8AProduct information: Product name: DC voltage regulator step-down moduleRegulation method: PWMInput voltage: DC 4V~40VOutput voltage range: DC 1.25V~36VMaximum current: 5AMaximum power: 200WConversion ..
Includes the following parts:1, 8 buttons,2, 8 LEDs3, 8-bit digital tube, common cathode LED digital tube;4, can be directly connected with the STC and other microcontrollers;5, provide ardiuno driver;The chip used in this module is TM1638, which integrates the common peripheral circuits of the abo..
The module is a capacitive touch-type touch switch module based on a touch detection IC (TTP223B). Normally, the module outputs a low level and the mode is a low power mode. When the corresponding position is touched with a finger, the module will output a high level and the mode will switch to a f..
RGB full color LED moduleModule parameters:1.PCB color: black2. Use 5mm full color ultra bright LED3. With current limiting resistor to prevent burnout LED4 can access a variety of microcontroller5. High light LED6. Operating voltage: 3.3V/5V7. Weight: 4g8. Can be used directly on the Arduino mothe..
Bluetooth protocol: Bluetooth Specification V4.0 BLE, send and receive no byte limit,open environment and iphone 4 s can achieve 110 meters extreme distance communication.Based on TI CC2541 chipsetBluetooth class 2Industrial level SPP Bluetooth moduleIntegrated chip antennaSize: 26.7 x 13 x 2 mmIndu..
Soil moisture module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil.Module to reach the threshold value is set in the soil moisture, DO port output high, when the the soil humidity exceeds a set threshold value, the module D0 output low.The di..
Overview: What is ESP8285?ESP8285=ESP8266+1M Flash, the bearing high temperature is 125℃ (the one for ESP8266 is just 85℃). More important, the code programmed in ESP8266 can be used for ESP8285 intactly.ESP-M3 is encapsulated by the high performance chip ESP8285, which is equal to ESP8266 chip plu..
DescriptionThis is a SIM900 GSM/GPRS Shield for Arduino UNO/MEGA/Leonardo. It support 850/900/1800/1900MHZ, so can be used all over the world. You can use it to make a phone call, send SMS or transfer your data to internet.On the board there is a speaker socket and a microphone socket that can be us..
1. Product feature : HC-SR04 ultrasonic module can offer non-contact distance sensing function, the range of which is 2cm—400cm., and the range accuracy is up to 2mm; the module includes ultrasonic transmitter, receiver and control circuit. The basic operation principle is below: (1)use IO port TRIG..