An Arduino Uno guards a running 12 V motor. It watches for a person coming too close, overheating, abnormal vibration, a tilted machine and a jammed shaft. When something is wrong it slows the motor, ...

Tutorial 32 made the timing of a picture: sync pulses, porches, and which pixels are visible. Tutorial 31 built a RISC-V system-on-chip. This last lesson joins them. The system draws into a ...