HDMI capture cards as monitors

HDMI capture cards make a serviceable monitor for non-critical tasks. I find them ideal for watching a Raspberry Pi boot.

Martin Oldfield, 28 Oct 2023

Canon lenses and the HQ camera

Fun and games with FD-Mount SLR lenses on the Raspberry Pi High Quality Camera.

Martin Oldfield, 12 Dec 2020

The AD9833

Fun with the AD9833 clock generator.

Martin Oldfield, 25 Oct 2018

A HomeKit Light

A very simple, HomeKit compatible, light.

Martin Oldfield, 02 Aug 2018

A HomeKit Enviro pHAT Sensor

Publishing sensor data (temperature and ambient-light level) from the Raspberry Pi Enviro pHAT to HomeKit.

Martin Oldfield, 01 Aug 2018

YAUIoTL

Yet Another Useless Internet of Things Lamp.

Martin Oldfield, 04 Jul 2018

Setting up a Raspberry Pi

Brief notes on building a new Raspberry Pi project. puzzles.

Martin Oldfield, 29 Jun 2018

Devicetree on the Raspberry Pi

Using Devicetree (particularly) on the Raspberry Pi.

Martin Oldfield, 29 Jun 2018

A NTP driven Nixie Clock

A Nixie clock which gets its time from a Raspberry Pi pretending to be a GPS receiver.

Martin Oldfield, 29 Dec 2013

Useful Raspberry Pi Links

Links I found useful when starting to play with the Raspberry Pi.

Martin Oldfield, 29 Dec 2013

The TM1638 & the Raspberry Pi

A tiny library to interface cheap TM1638 displays to the Raspberry Pi.

Martin Oldfield, 29 Dec 2013

Raspberry Pi Identification

Being rather cheap little animals, Raspberry Pis tend to proliferate, and before long it’s hard to keep track of them all. Naming them helps, and software can make that more efficient.

Martin Oldfield, 29 Dec 2013

Raspberry Pi Streaming video

Notes on streaming video from a Raspberry Pi camera to MacOS X and iOS devices.

Martin Oldfield, 15 Dec 2013

ADT74x0 temperature sensing

Analog Devices make some nice I²C temperature sensors, including the ADT7420 which is accurate to 0.25̣̣°C. Here’s a user space client for them.

Martin Oldfield, 10 Jun 2013

Linux WiFi configuration

Aidés-memoires for configuring WiFi on a Raspberry Pi.

Martin Oldfield, 05 Jun 2013

Raspberry Pi GPIO cable

A useful cable to connect the GPIO port to a breadboard.

Martin Oldfield, 05 Jun 2013