Hey,
I´m currently trying to convert a 20kHz PWM Signal generated with an ESP32 to DC voltage.
Goal is to control a hydraulic proportional flow control valve with a DRV103 solenoid Driver.
The DRV103 needs an analog Input Signal from +2.2 - +5V to activate the Output.
With the ESP I´m able to...
Hi All,
I have an Arduino sending digital signals through transistors, driving some DIY motor coils, simple:
Arduino digitalWrite() -> transistors -> coils.
It works great, plenty of force and no fire. V-in is 5 volts and each coil is 2 ohms, so about 2.5 amps per coil.
One problem though is...
I want to make a circuit that will convert a PWM signal to an analog signal.
I want the circuit to be able to work on higher frequencies as well though (up to 15 kHz).
Would an RC filter be the best method?
Any reference design examples for this?