Paul McCabe] wrote in to let us know about his $25 robot. This small wheeled robot is based on an ESP32 and made using cardboard and hot glue. You drive the contraption using a Bluetooth game ...

You're signed-up for Calc 1 next block, but perhaps you've not taken math for a while. The selection of tutorials below highlights some key concepts or rules from algebra or pre-calc that you will ...

When you press the button, the LED matrix displays a dice roll animation and stops on a random number between 1 and 6. Built using SPI communication with the MAX7219 driver.