These are some great DIY projects that you can do for cheap.
This document is aimed at the Arduino developers, radio experimenters, hobbyists and anyone interested in building a receiver based on the Si473X IC family from Silicon Labs. This project is about an ...
AI-Smart-Waste-Segregation-Dustbin AI-powered Smart Waste Segregation Dustbin using ESP32-CAM, Edge Impulse, Arduino Uno, Ultrasonic Sensor, and Servo Motor.