Skip to product information
1 of 3

Helios Controller USB Type C

Helios Controller USB Type C

Regular price $28.00 NZD
Regular price Sale price $28.00 NZD
Sale Sold out
Tax included. Shipping calculated at checkout.

Stock notification

Get an email when this product is back in stock.

Helios Controller USB Type C

We respect your privacy and don't share your email with anybody.


Helios is a rp2040 Controller with Pro Micro compatible pinout, 16MB (128Mbit) of flash, Dual ARM Cortex-M0 @133MHz, and 264kB SRAM.

Designed for use in custom mechanical (split) keyboards, but many other uses are possible.


  • Pro-micro / Sparkfun RP2040 compatible footprint, with 5 extra pins at bottom (Elite-C style)
  • Raspberry Pi RP2040 MCU
  • Default off red power LED that you can turn on via a jumper
  • Blue user LED
  • Level-shifter to drive 5V components.
  • 16MB (128Mbit) flash memory
  • Dual ARM Cortex-M0 @133MHz
  • 264kB SRAM
  • User LED & USB VBUS detect
  • Low profile USB-C mid-mount connector
  • PCB Thickness: 1mm



The Helios uses a single button switch and will auto enter bootloader mode out of the packaging. In order to enter bootloader mode click and hold the reset switch with a long (>500ms) click. This backwards compatibility also enables you to use reset buttons on existing keyboards for both functions.



34mm (H) x 18mm (W)

USB Port: 3.26mm (H)

PCB: 2mm (H)


1 x Helios RP2040 USB Type C Controller


This RP2040 controller is designed by 0xCB-dev

View full details

Customer Reviews

Based on 1 review
Lewis Marhin
Nice controller

Pretty powerful. Although I'm not expert on programming controllers, it was easy enough. Be aware that it expects uf2 files.