# microRusEFI Hardware Checks

v0.1/v0.2 power supply check list

1. Anode of diode D1 (end towards connector): expected ~12v
1. Cathode of diode D1 (end towards Q1/away from connector): expected ~11.45v
1. Pin 2 of Q1 (large tab, toward edge of board): expected same as 2)
1. Pin 1 of Q1 (pin closest to big capacitor): expected ~8.1v
1. Pin 3 of Q1 (pin most distant from big capacitor): expected 6.0v
1. 5v test pad: expected 5.0v

![front lower](Hardware/microRusEFI/Hardware_microRusEFI_0_2_top_checks.jpg)