Rain Detector: Use exposed copper traces as a rain sensor with the BC548 amplifying the small current when water bridges the traces
Alarm & Alert System: Build intruder alarms
suitable for small-scale fluid transfer and circulation tasks
A protective rubber holster adds an extra layer of drop resistance and includes a convenient tilt stand for hands-free bench operation
3D Printer Controller: The MEGA 2
0.91 inch Blue OLED Display Module Soldering Iron Stand Rain Detector: Use exposed copper0. 91 Inch Blue OLED Display Module 128x32 I2C SSD1306 for Arduino, ESP32 & Raspberry Pi Add a crisp, high contrast visual output to your microcontroller projects with this 0. 91 inch Blue OLED Display Module from The Engineer Store, Bengaluru. Featuring a 128x32 pixel resolution, SSD1306 driver IC, and simple I2C (IIC) interface, this compact OLED screen is perfect for displaying sensor readings, status messages, menus, and graphical data in your