@berkseo I'm trying to reverse engineer the BOM of this board, but I am quite unsuccessful. Could you please upload a BOM with (R1 = xxx k) or something similar, or Upload high-res closeups of the board so one can read the resistor values? Capacitors are a little harder, maybe you could share those values?
I have started on a BOM list, if you could help me fill it out, that would be much appreciated. I want to start soldering!!
Front
- YJ-16048 ----------- NRF52
- RGB LED ------------ RGB led with common cathod
- R11 ------------------------------------------------------------------- ???
- R12 ------------------------------------------------------------------- ???
- L1 --------- 4.7uH inductor
- C1 -------------------------------------------------------------------- ???
- TPS62XX ----------- TPS62745
- C3 -------10uF 25V 1206
- POWER ----- Vertical 7-pin switch
- U1, U3 ------- Battery holder 1/2 AA
- U5, U7 ------ 2 pin Screw connector
- Unmarked ------ Trimmer resistor 10K
- MODE, RESET --------- push button 3-pin vertical
- SWD -------- 6-pin female header 1.27 mm
Back
- R15 --------------------------------------------------------- ???
- R14 --------------------------------------------------------- ???
- R13 --------------------------------------------------------- ???
- R17 --------------------------------------------------------- ???
- R16 --------------------------------------------------------- ???
- R18 --------------------------------------------------------- ???
- R19 --------------------------------------------------------- ???
- C13 ----- 100uF 6v/10V
- C14 -------------------------------------------------------- ???
- R1 ---------------------------------------------------------- ???
- R2 ---------------------------------------------------------- ???
- U6, U8 ----- tlv3691
- R7, R10 -------------------------------------------------- ???
- R9 ---------------------------------------------------------- ???
- R8 ---------------------------------------------------------- ???
- R6 ---------------------------------------------------------- ???
- R4 ---------------------------------------------------------- ???
- R3 ---------------------------------------------------------- ???
- R5 ---------------------------------------------------------- ???
- R1 ---------------------------------------------------------- ???
- R2 ---------------------------------------------------------- ???