So I've come up with the idea to make the Arduino display something on a tiny OLED display once it gets a signal. However this signal is 12v. The signal in question is the VTEC signal (1994 Honda), this wire powers the VTEC solenoid on the engine. Now what I want that signal wire to do is send a si…

Using a 12V signal from my car to make the Adruino draw on a display

Paul_B May 4, 2022, 10:39pm 7

Topic		Replies	Views
Reducing signal voltage for Arduino General Electronics	17	593	September 25, 2024
What's the best way to read varying voltage values? General Electronics	23	765	August 25, 2024
Negative trigger/pwm Motors, Mechanics, Power and CNC	14	166	June 14, 2025
Using 12v Vehicle signal to trigger gnd on an arduino pin ( as input) General Electronics	47	2190	October 5, 2023
Arduino stops working General Electronics	17	150	April 24, 2025