User sends a message from the Android app. The message is converted to a bit pattern and transmitted via LED. The LDR receives the light pulses and sends the signal to Arduino. Arduino decodes the bit ...

const int ldrPin = A0; // LDR connected to analog pin A0 const int trigPin = D1; // Ultrasonic Sensor Trig pin const int echoPin = D2; // Ultrasonic Sensor Echo pin ...

The big picture: If you don't know anything about electronics but have always wanted to learn and build your own IoT project, Arduino has the solution for you. The Plug and Make Kit is a comprehensive ...

With how cheap they’re getting, everyone seems to be jumping on the resin printer bandwagon. They may not be able to fully replace your trusty old FDM printer, but for certain jobs, they just can’t be ...