A breadboard-based IR receiver

Notes on an infra-red receiver for the breadboard.

Martin Oldfield, 20 May 2022

A PCB-based IR receiver

Notes on an PCB based infra-red receiver.

Martin Oldfield, 19 May 2022

An IR transmitter for the Birdhouse

Notes on an infra-red transmitter suitable for outdoor deployment.

Martin Oldfield, 10 Mar 2022

An IR transmitter for testing

Notes on an infra-red transmitter based around the inexpensive Blue-Pill STM32F103 development boards.

Martin Oldfield, 23 Feb 2022

Games with IR comms

A few years ago, I explored sending Morse Code messages over an infra-red link. The ideas were incorporated in a geocache near Cambridge UK: to solve the puzzle the player has to build a simple detector for the IR signals.

Martin Oldfield, 26 Jan 2022