switch between three LEDs on arduino (subscriber) using 'a', 's', and 'd' keyboard inputs through ROS publisher. The folder 'arduino_ros' is the ROS package which has source code for the keyboard ...

This project will take the button reading to see where it is to where it was. We need to think about keeping track of the LED state also. We want the switching to happen when the button has been ...

An Arduino hourglass project is a fun and educational project that involves creating a digital hourglass timer using an Arduino microcontroller and some simple electronic components. The project ...

Here is a simple, yet useful circuit of an Arduino 4-digit 7-segment LED display unit. The module used here is a self-contained, compact common-cathode module containing four 7-segment LED numeric ...

Ping Pong Ball Array Shines with LEDs, Switches and MCU Ping Pong Ball Array Shines with LEDs, Switches and MCU. I recently created a 12 x 12 array of ping pong balls, each with a tricolor LED inside, ...

1D LED PONG, Arduino-Style. 4 Comments . by: Kristina Panos. December 15, 2023. ... The main difference was that you had to press the switch when the ball was on the last led of your side, ...

When reed switch is opened, pin 2 of Arduino goes high with the help of the pull-up resistor R2, and the alert signal is available through the piezo-speaker PZ1 (not an active piezo-buzzer). At the ...