With strong reflectance, the output voltage tends towards GND; with weak reflectance, it tends towards Vcc. The resistor wired in series with the infrared LED sets the operating current to a safe ...

DIY WiFi-Controlled Drone Complete Circuit Diagram The complete circuit diagram for the DIY WiFi Controlled Drone is shown below. It can also be downloaded in PDF format from the link given at the end ...

FM Transmitter with Arduino & Si4713 - Author: Bocaletto Luca A professional Arduino UNO project using the SparkFun Si4713 breakout to broadcast line-level audio over FM (87.5 – 108 MHz), complete … ...