ESP32 controller impedance matching multilayer design signal integrity analog signal design buck converter 24VDC input supply 5V and 3.3V power rails Relay outputs ADC and DAC interfaces Mixed-signal design... (Budget: ₹1000 - ₹5000 INR, Jobs: Altium Designer, Circuit Design, Documentation, Electronics, Industrial Design, PCB Design and Layout, PCB Layout, Risk Assessment, Schematic Review, Thermal Analysis)