BTT SKR Pico – A Raspberry Pi RP2040 based 3D printer control board

BigTreeTech BTT SKR Pico V1.0 is a 3D printer controller board based on Raspberry Pi RP2040 MCU, compatible with Raspberry Pi Linux SBC’s, and specially designed for the compact Voron 0 3D printer, but also working with other models.

The board comes with four TMC2209 motor drivers covered by a heatsink for cooling, as well as interfaces for temperature sensors, and a USB Type-C port to connect to the host computer, usually a Raspberry Pi board running Linux.

Raspberry Pi RP2040 3D printer control board

BTT SKR Pico V1.0 3D printer board specifications:

  • MCU – Raspberry Pi RP2040 dual-core Cortex M0+ microcontroller at up to 133 MHz with 264 kB of embedded SRAM
  • Storage – TBD
  • Motor drivers – Up to 4x TMC2209 drivers for X, Y, Z1, Z2, and E interfaces
  • Temperature sensor interfaces – TH0, THB 2-way 100K NTC RTD sensors
  • Host interface – USB Type-C port
  • Misc – Built-in heatsink (Note: fan cooling is required/advised for motors drawing more than 0.8A)
  • Power Input – 12V or 24V DC + fuse
  • Dimensions – 85 x 56 mm (4-layer PCB)

Raspberry Pi 4 Pi Zero 2 3D printer

The board is optionally offered as an “Armored” version with the protective top cover and can be mounted to a Raspberry Pi 4 or Raspberry Pi Zero 2 W or earlier models in order to run Klipper or Octoprint. It’s been designed as a more compact replacement for the earlier BTT SKR Octopus board.

The Voron 0 (now Voron 0.1) is an open-source hardware 3D printer that you can build yourself, or purchase for about $400 on Aliexpress or other websites.

BigTreeTech BTT SKR Pico V1.0 is available for $35.68 USD on BIQU website, while the now out-of-stock Armored version is usually sold for $39.98 USD.

Via Electronics Weekly

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