Learn electronics, coding, and projects — step by step.
I feel obligated to post this tutorial after seeing beginners assigning two serial devices to Arduino Uno hardware serial pin which is digital pin 0 (Rx) and digital pin 1 (Tx). Connecting two serial devices results to undefined behavior due to conflicting signals. Arduino Uno, Arduino Nano, and Arduino Mini has only 1 serial port. […]
To explore more with the functionalities of DF Player Mini, an LCD display is good added feature for this project. To save pin connection, we will use an I2C LCD. Since this is Part 3 of the series in tinkering with DF Player Mini, you may visit: Part 1: DF Player Mini – a mini […]
Growing from a poor family, I am amazed with remote control toys, robot, and radio. I am curious on how those stuffs work? One time when I was a kid, I found an old rusty but still functional DC motor usually found on battery powered toy car. When I got home, I connected it to […]