
24g2usb rp2350zero
joypad-ai/joypad-os
Universal controller firmware for building adapters, dongles, and custom controllers.

A tiny nRF52840 dongle using the E73-2G4M08S1C module
Nrf52840-dongle e73 is an open-source printed circuit board by Nicell, from the Nicell/nrf52840-dongle-e73 repository on GitHub, published under the MIT licence. It is a 2-layer board of 13.7 × 30 mm with 4 parts on 26 nets, routed with 55 tracks and 8 vias.
Its parts include 3 connectors and 1 IC. It belongs with the nRF52 and nRF5x boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | Conn_01x02_Female | nrf52840-dongle-e73:reset-conn | J2 |
| 1 | Conn_01x04_Female | nrf52840-dongle-e73:programmer-conn | J1 |
| 1 | E73-2G4M08S1C-52840 | nrfmicro:E73-2G4M08S1C-52840-NO-UNDER | U1 |
| 1 | USB_A | nrf52840-dongle-e73:usb-pcb | J3 |

joypad-ai/joypad-os
Universal controller firmware for building adapters, dongles, and custom controllers.


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It measures 13.7 × 30 mm and has 2 copper layers, 1.6 mm thick.
4 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the Nicell/nrf52840-dongle-e73 repository on GitHub, at the commit this page was made from: the board is nrf52840-dongle-e73.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).