Simple board with some SMD components.
- Hi-Link 100-240 VAC to 5 VDC
- HT7333A 3.3V voltage regulator
- 4x SONGLE SRD-05VDC-SL-C and other minor parts like resistors, capacitors etc...
Not tested but should work!
WORK IN PROGRESS
Order at: https://oshpark.com/projects/hfJpzOcm