
They're certainly cheap enough for the hobbyist experimenter, so if you blow one up it's fine. You have to change the address. The ones I got don't use the usual address 0x27 but have the value 0x3F. This. LiquidCrystal_I2C lcd (0x3F, 16, 2);

๐ 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

LAFVIN Super Starter Kit for Arduino R3 Mega2560 Mega328 Nano with Detailed Tutorial - Compatible with Arduino IDE
11 Review

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

Vilros Raspberry Pi 4 4GB Complete Starter Kit - Black Fan-Cooled Aluminum Case for Heavy-Duty Performance
12 Review

Uxcell Phillips Screws Fastener Laptop
3 Review

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

8Pcs Computer Thumb Screws Black
4 Review

๐ง TWYZONE Set: 10pcs Repair Replacement Screws + 1pcs Philips Head Screwdriver for Unibody MacBook Pro - A1278 A1286 A1297 - Bottom Case Compatibility (Not for Retina Display)
6 Review