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Revised version of ESP32 Monster board The circuit is almost the same as the original one but I added "Lipo charger enagle/disable jumper". By this jumper, this board works for both Lipo battery power operation (and recharging by USB bus power) and pure USB bus power mode.
For the original one, I got both positive and negative comments. Mostly the negative ones are related to parts arrangement flavor. Especially the backside mount of ESP32 module are rejected by some (I guess not rare comments) viewer and actual user. Also the original one was too small to put hole for fixing. In addition, the original one works only for battery connected mode. This board fixed these points.
Everything on the top. ESP32 module and all parts are mounted on the top.
We can choose battery powered mode and USB bus powered mode by jumper
Important note for silk print on the board
The silk print about jumper setting is "upside-down". The correct setting is shown in the attached picture. Please never select by reading the on-board silk printing.
Heinrich Josef | Nov. 12, 2017
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From childhood, I've loved making electrical things by soldering for some amateur radio related thing.
After graduated certain university and taking Ph. D, I did have a GaAs MMIC design working for 60 GHz system
but it's a bit long time ago.
I always love making something and would like to share my joy. Please enjoy my store!