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Electron

The Electron is a tiny cellular development kit based around U-Blox's SARA U-series (3G) or G-series (2G) cellular modem module and a STM32F205 ARM Cortex M3 microcontroller.

The Electron has a footprint which is a drop-in compatible with the Particle Photon or Core.

Compared to the Particle Photon, the Electron introduces additional hardware features and changes:

  1. JST LiPo battery connector.
  2. Switch-mode battery charge management and system power path management circuit.
  3. Fuel gauge circuit for lithium batteries.
  4. Nano-SIM connector.
  5. Access to USB data lines.
  6. 12 additional GPIO Pins.
  7. 4 additional ADC channels.
  8. 6 Timer channels exposed.
  9. 2 additional UART peripherals.
  10. 1 additional SPI and CAN peripheral.

A detailed description of the pin mapping can be found in electron-pinmap_v1 spreadsheet.

Pin Descriptions:

Please review the pinmap spreadsheet to better understand the alternate functions of the GPIO pins.

Eagle (schematic, pcb layout and drc):

eagle contains the history of Electron designs and electron_v020 is the latest design. The libraries folder contains the Eagle library for parts used on the Electron.

#License

Designed by Particle. Distributed under a Creative Commons Attribution, Share-Alike license. Development kits based on this product should be distributed under a similar license. Commercial products using the Electron as a reference design need not comply with this license; further questions can be sent to hello@particle.io. Check license.txt for more information.