Simulator
Circuit Diagram
High Beam
Spots Ready
Spots On
H toggle · F flash · double-flash enables spots
Wiring Diagram
KNIGHTDRIVER assembly
+12V GND +5V Arduino Uno 5V GND A0 D3 ACS712 VCC GND OUT HB wire BTS7960 VCC GND RPWM B+ M+ SPOT — 12V — 5V — GND — Signal — Output — HB Current
Arduino Uno R3
ATmega328P controller
A0→Sensor | D3→Driver
ACS712-20A
Hall effect current sensor
VCC→5V | OUT→A0 | IP±→HB
BTS7960 43A
H-bridge motor driver
B+→12V | RPWM→D3 | M±→Spots
Spotlights (x2)
12V auxiliary lights
+→M+ | -→GND