
At first I couldn't get it to work on my Raspberry Pi 4, I got it wrong the first time I tried. But now it works on my Raspberry Pi 4b. What I don't like is that I try to email the company for help but haven't received any help from them.

π MCIGICM 2 Channel DC 5V Relay Module: Optocoupler Low Level Trigger Expansion Board for Arduino UNO R3, DSP, ARM, PIC, AVR, STM32, Raspberry Pi
11 Review

REXQualis Comprehensive Starter Kit with Arduino MEGA 2560 & Detailed Tutorial for Arduino IDE Compatibility
11 Review

GeeekPi Raspberry Pi Cluster Case with Cooling Fan and Heatsink for Pi 4 Model B, 3 Model B+ & 3/2 Model B
11 Review

55" TV LG OLED55C2RLA 2022 HDR, OLED, dark titanium
38 Review

M.2 Screw Kit: Easy Mounting for NVMe SSDs on ASUS Motherboards
19 Review

Glarks 660 Pieces Phillips Assortment Motherboard
10 Review

uxcell 3.5" HDD Screw Black 200pcs for Computer PC Case - Flat Phillips Head - 6#-32 - Hard Drive Fasteners
10 Review

π₯οΈ Helifouner 450-Piece Computer Standoffs Spacer Screws Kit: Ideal for Hard Drive, Motherboard, Fan, Power Graphics & Computer Cases
10 Review