pIRkey - Python Programmable InfraRed USB Adapter

USB HID adapter with an ATSAMD21 microcontroller and IR receiver that translates incoming IR remote signals into keystrokes, mouse events, or USB serial data. Appears as a standard USB keyboard/mouse; programmable in Python.

USB A 5V
USB Type-A plug 5V supply; Adafruit Learn says the USB pads have Ground, D+, D- and 5V power, with 5V regulated down to power the pIRkey.
Type · powerVoltage · USB 5V input per Adafruit Learn pinouts page.
USB A GND
USB Type-A plug ground connection; Adafruit Learn lists Ground as one of the USB pads.
Type · groundVoltage · 0V
USB A D+
USB data plus line used by the onboard ATSAMD21E18 to send and receive USB data; Adafruit Learn states D+/D- are what the onboard chip uses to send/receive data.
Type · usb data
USB A D-
USB data minus line used by the onboard ATSAMD21E18 to send and receive USB data; Adafruit Learn states D+/D- are what the onboard chip uses to send/receive data.
Type · usb data
Reset button
On-board reset control; Adafruit Learn states one click resets and double-click enters bootloader mode.

Start wiring

Single data line · I2C · 3.3 – 5 V · Breakout

Verify supply voltage and logic levels before powering up.

Module pins: USB A 5V, USB A GND. Schematik maps them to your board in the app.

Infrared

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5V IR Photoelectric Switch (4m) visual preview

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