I'm working on creating a small PCB that would avoid welding on the Ultasonic module. I chose a CMS resistance for space saving. Feel free to give me your opinions, ideas and suggestions !
If it’s still going to be installed in the skull, then J1 could be omitted. The PCB can be soldered onto the short residue pins of the ultrasonic board.
The wiring of R1 should be between the LED’s common cathod and ultrasonic’s gnd
Oops I correct! Well seen !
I work in parallel on a Y cable that should avoid any welding.
On my side, I would prefer soldering the module at the factory to make it more compact