Sub-$20 Arduino-Based Telemetry System - Hackaday

Hackaday

Sub-$20 Arduino-Based Telemetry System Hackaday The hardware consists of an Arduino Pro Mini connected to a three-axis accelerometer, and an nRF24L01 wireless module. Power is supplied by the race car's 12 V, changed to 5 V by a linear regulator with the Pro Mini in turn supplying 3.3 V. The base ...