ESP32-DevKit-LiPo Open Source Hardware board GPIOs table and power consumption testings – in deep sleep the board uses only 65 uA


ESP32-DevKit-LiPo-GPIOs

Our ESP32-DevKit-LiPo board is pin to pin compatible with Espressif ESP32-DevKit, but we add to it LiPo battery charger, so the board can operate from LiPo battery like BATTERY-LiPo1400mAh

High resolution of the above GPIO map is available here.

Having LiPo backup power supply allow WiFi/BLE connected handheld devices to be created with ESP32-DevKit-LiPo.

In our new Revision B of this board which is on prototype stage:

If PWR_SENS_E1 jumper is shorted your software can monitor if external power supply is attached or you work on battery.

If BAT_SEND_E1 jumper is shorted your software can read battery voltage.

When operating on battery low power is necessary, so we optimized the design of Revision. C to reduce power consumption as much as possible and here are the results:

ESP32-DevKit-LiPo powered by Li-Po battery (no LED)

  • normal mode: 35mA +/-10%
  • deep sleep mode: 0.065mA +/-10%

ESP32-DevKit-LiPo powered by 5V USB (LED up)

  • normal mode: 35mA +/-10%
  • deep sleep mode: 2mA +/-10%

 

2 Comments (+add yours?)

  1. Dimitar Manovski
    Apr 22, 2020 @ 18:15:41

    Hello, where can be found more info about reading battery voltage, when BAT_SEND_E1 jumper is shorted?

    Reply

  2. Nitz Bro
    Jul 22, 2020 @ 09:52:36

    REV C SCHEMATIC is available ????

    Reply

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