The powersupply should output 5VDC and should be able to supply at least 0,4A. The powersupply needs to be low noise (<200mVp-p ripple and noise).
The following powersuplies should be suitable for many applications:
- Recom RACM18-05SER/W – IP68, compact
- Meanwell GS05E-USB – Wallwart, USB A output connector
- Meanwell IRM-30-5ST – Enclosed/insulated industrial PSU
Note: Flip the power switch on the PCB to “USB”.