Absolutely necessary for everyone who works directly with GPIO pins on the PI. I ended up frying my Pi board with the wrong connections, and anyone can easily do it. This is a great product unless the Pi manufacturers find a better way to put the GPIO identification directly on the individual pin number.
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
55" TV LG OLED55C2RLA 2022 HDR, OLED, dark titanium
38 Review
REXQualis Comprehensive Starter Kit with Arduino MEGA 2560 & Detailed Tutorial for Arduino IDE Compatibility
11 Review
Gikfun Screw Shield Expansion Board: Enhance Arduino UNO R3 with the EK7007 Add-On
11 Review
M.2 Screw Kit: Easy Mounting for NVMe SSDs on ASUS Motherboards
19 Review
uxcell 3.5" HDD Screw Black 200pcs for Computer PC Case - Flat Phillips Head - 6#-32 - Hard Drive Fasteners
10 Review
Comprehensive 500pcs Laptop Screw Kit Set for π© IBM HP Dell Lenovo Samsung Sony Toshiba Gateway Acer
12 Review
Glarks 660 Pieces Phillips Assortment Motherboard
10 Review