PCB revision 1.6
Remove impedance matching (inductance and 49.9 Ohm) at Ld-
Minor revisions:
- Move R7 to the front
- Use SMD solder pads for piezo connection
- R3=100k to reduce relay circuit idle current
- Additional revison label on the front side
Remove impedance matching (inductance and 49.9 Ohm) at Ld-
Minor revisions: