FTDI Basic Breakout USB to TTL 6Pin Module FT232RL FTDI USB MWC Programmer for Arduino

$0.73

ENC28J60 Ethernet LAN Network Module SPI Port For Arduino 51LPC AVR ARM PIC for arduino

$1.79

TZT MAX30100 Heart Rate Oximetry Sensor Module Heart Rate Sensor Breakout Ultra-Low Power Consumption For Arduino

$0.50

IR Infrared Slotted Optical Speed Measuring Sensor Optocoupler Module For Motor Test PIC AVR Speed module

$0.20

Nano V3.0 Atmega328P Ch340C Built-In 0.91" Oled Display 128*32 Resolution Iic I2C Compatible for Arduino Nano V3.0

$2.96

TZT DC 5V 12V soil moisture sensor relay control module Automatic watering of the humidity starting switch

$0.73

TZT ESP32-C3-Zero Pro Mini Development Board WiFi Bluetooth Ultra-small Size ESP8266 ESP32 C3 ESP 32 For Arduino

$1.56

LM2596s DC-DC Step-down Power Supply Module 3A Adjustable Step-down Module LM2596 Voltage Regulator 24V 12V 5V 3V

$0.25

TZT DS1820 Stainless steel package Waterproof DS18b20 temperature probe temperature sensor 18B20 1M/2M//3M For Arduino

$0.36

Piezoelectric Shock Tap / Ceramic Piezo / 801s Shake / SW-420 / SW18010P / SW-18015P Vibration Switch Sensor Module For Arduino

$0.14

1 4 5 8 Channel TCRT5000 IR Photoelectric Switch Barrier Line Track Module Infrared Obstacle Avoidance Sensor For Arduino DIY

$0.21

ESP8266 ESP-12 ESP-12F CH340G CH340 V2 USB WeMos D1 Mini WIFI Development Board D1 Mini NodeMCU Lua IOT Board 3.3V With Pins

$0.21

TZT 5PCS PIR D203S LHI874 LHI878 RE200B P228 Fresnel lens PIR Sensor

$0.92

TZT USB Male Connector / MINI MICRO USB to DIP Adapter female connector 2.54 Connector B Type-C USB2.0 3.0 Female PCB Converter

$0.15

5PCS USB 3.1 Waterproof Type-C Connector 16PIN 5A Female Socket Double 5.1K Resistor Support Charging And Discharging

$0.50

10pcs Male Connector / MINI MICRO USB to DIP Adapter 5pin female connector B type pcb converter pinboard 2.54mm

$0.26

TZT RS232 SP3232 TTL to RS232 Module RS232 to TTL Brush Line Serial Port Module

$0.30

CH340G CP2104 USB To ESP8266 ESP-01 ESP-01S WIFI Module Programmer Adapter Download Debug Link Kit for Arduino LINK v1.0 CH9102F

$0.15

ESP8266 ESP-01 ESP-01S DS18B20 Temperature Humidity Sensor Module esp8266 Wifi NodeMCU Smart Home DIY Kit (with ESP01)

$0.63

ESP8266 ESP-01 ESP-01S WS2812 RGB LED Controller Module for Arduino IDE WS2812 Light Ring Smart Electronic DIY with esp-01

$0.50