esp32 RAW

to enter flash mode

  * en -> LOW
  * IO00 -> LOW

  * en -> HIGH
  * IO00 -> HIGH

  * after flashing one more time 
  * en -> LOW -> HIGH     to reset

  * CABLE
  * RX->TX
  * TX->RX

Reikia kondensatoriaus ir didelio, pvz 1000mf

deep sleep uses 0.01 ma


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