TJAt the moment, the trinket is powered by battery :)
Left to right: Trinket, battery level switch, charge/battery platform, 4 switchs (Rx/Tx/RTS /CTS to select TTL and/or RS232 level on each line)
Middle right: Trinket power switch (On/Off)
Battery powered
A project log for Trinket serial & analog terminal
A pocket sized serial and analog monitor
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