ESP32 Variable PWM Pump Controller

This project diesel heater's stock fuel pump — the little solenoid pump that clicks away every time it needs to squirt in more diesel — is annoyingly loud. So I swapped it for a pump, which is basically silent... (Budget: ₹1250 - ₹2500 INR, Jobs: Arduino, Automotive, Digital Signal Processing, Electrical Engineering, Electronics, Embedded Systems, Firmware Development, I2C, Microcontroller)