Gikfun DS18B20 Temperature Sensor Waterproof Digital Thermal Probe Sensor For Arduino (Pack of 3pcs) EK1083x3

Analog pH Meter Kit

Gowoops 2 PCS DHT22 Temperature Humidity Sensor Module Digital Measurement for Arduino Raspberry Pi 2 3

JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

HiLetgo 2pcs ESP8266 NodeMCU LUA CP2102 ESP-12E Internet WIFI Development Board Open source Serial Wireless Module Works Great with Arduino IDE/Micropython (Pack of 2PCS)

JBtek BMP180 Barometric Pressure, Temperature and Altitude Sensor

E-Projects 100EP5144K70 4.7kOhm Resistors, 1/4 W, 5% (Pack of 100)

Elegoo EL-CB-003 MEGA 2560 R3 Board ATmega2560 ATMEGA16U2 + USB Cable for Arduino

Haitronic 120pcs 20cm Length Jumper Wires/Dupont Cable Multicolored(10 Color) 40pin M to F, 40pin M to M, 40pin F to F for Breadboard/Arduino Based/DIY/ Raspberry Pi 2 3/Robot Ribbon Cables Ki

Gowoops 5 PCS of Temperature Humidity Sensor Module Digital DHT11 for Arduino Raspberry Pi 2 3

KOOKYE 5PCS Temperature Sensors TMP36 Precision Linear Analog Output For Arduino Raspberry Pi