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Expansion Board 3.0

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 Product Description

Expansion Board 3.0

Introducing the Expansion Board 3.0, compatible with the WiPy 2.0, WiPy 3.0, LoPy, LoPy4, SiPy, FiPy and GPy.

NOTE: Does not include the WiPy



  • USB and LiPo battery powered
  • Custom PIC USB to serial converter with automatic bootloader mode
  • LiPo battery charger (BQ24040), with options for two different charging currents (100mA and 450mA)
  • TPS2115A with reverse voltage protection
  • MicroSD card slot
  • JST style battery connector
  • Power LED and charge status LED
  • One user LED and one user switch
  • Button to enter into “safe mode” easily
  • Battery voltage monitoring via the WiPy ADC
  • Lots of jumpers to enable/disable features



Differences between v2.0 and v3.0

  • The FTDI chip as been replaced with a custom programmed PIC like on the Pysense/Pytrack/Pyscan boards. This allows our firmware update tool to automatically put the module into bootloader mode.
  • Added a "Safe boot" button to enter safe boot easier. This button connects P12 to 3.3v and if pressed and held while the reset button is pressed on a Pycom module, the module will enter safe boot.



icon-pdf2.gif Pycom Expansion Board 3.0 Website

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