The table shows the pin configuration of the Arduino UNO–based robotic arm. The red (VCC) wires of all servos are connected to the breadboard positive rail, and the brown/black (GND) wires are ...
Riding a bicycle at night is a bit dangerous, but electronics blogger Jenna DeBoisblanc shows off how to build a system that includes turn signals, a strobe light, speedometer, and brake lights to ...