i tried to post top and bottom pictures with my phone, wherever it saved them is up in the clouds
i also included an AAA battery for sizing, short side is 1 AAA in length, long side ~1.5??
sot pads for 24c02 and flash are marked as such, also more pads ( identified by D/R/C) for the support components, so i expect
some work in finding appropriate values, but straightforward work.
seems to have button on PA8, LED on PA1 ?? ??
2 off 2x20, [A0-A15, C14, C15, 3v3, GND] [ B0-B15, C13, 3v3, 5v, GND]
1 off 4x2 [GND, SWD, SWCK, 3V3] & [TXD, RXD, 5V, GND]
1 OFF 4X1 [3V3, GND, RX, TX]
pth for 5v & GND, regulator is an AMS117 type
if there are any conflicts is unknown, but someone put in time and effort. i wonder if i can find a schematic ... ... ...
nrf24 and esp8266 at the same time ??
if you order 2, you save £1 on the price of 2 times 1 off. i did again