GeeekPi 4 Channel Relay Board Module for Raspberry Pi, Power Relay Module for Raspberry Pi 4B & Raspberry Pi 3 Model B+ & Raspberry Pi 3/2 Model B (No Programming Required/Programmable)

GeeekPi 4 Channel Relay Board Module for Raspberry Pi, Power Relay Module for Raspberry Pi 4B & Raspberry Pi 3 Model B+ & Raspberry Pi 3/2 Model B (No Programming Required/Programmable) : Electronics

GeeekPi Raspberry Pi 4 4GB Kit - 64GB Edition, DeskPi

GeeekPi Original 4 Channel Relay Hat Board For Raspberry Pi 4B

MakerFocus 4 Channel Relay Board Module for Raspberry Pi 4B/3 Model B+

Toggling lights with DockerPi 4 Channel Relay - NotEnoughTech

GeeekPi Original 4 Channel Relay Hat Board For Raspberry Pi 4B

sb components Relay 4 Zero 3V 4 Channel Relay Shield for Raspberry

JBtek 4 Channel DC 5V Relay Module for Arduino

xicoolee 4-CH Relay for Raspberry Pi Zero Zero W Zero

Buy a Raspberry Pi 4 Model B – Raspberry Pi

Pico-UPS-A - Wireless UPS module for Raspberry Pi Pico - Waveshare

The ADS1115 are precision analog-to-digital converters (ADCs) with 16 bits of resolution offered in an ultra-small, an MSOP-10 package. Data are transferred via an I2C-compatible serial interface, four I2C slave addresses can be selected, it operate from a single power supply at 3.3V. It can be used to detect analog signal and convert it to digital signal. You can attach a joy stick or other analog sensor such as NTC,temperature, dust sensor and so on.

KNACRO 4-Channel 16bit ADC with PGA for Rpi Raspberry Pi 16 Bits I2C ADS1115 Module ADC 4 Channel for Raspberry Pi 3/2 Model B/B+

EP-0099 - 52Pi Wiki

Three 40A/240V Relays RS485 Daisy-channable HAT for