Car Battery Monitor

A simple gadget to warn me if my car battery is going flat.

Martin Oldfield, 17 Dec 2021

TinyS2 Power

Power measurements for the TinyS2, an ESP32-S2 board.

Martin Oldfield, 17 Nov 2021

Pi Pico Power

Power measurements for the Raspberry Pi Pico.

Martin Oldfield, 16 Nov 2021

Pi Pico Wireless

Aidés-memoires for using the Pimoroni Pico Wireless Pack.

Martin Oldfield, 13 Nov 2021

An ESP8266-based switch

A simple switch for my IoT light built around an ESP8266.

Martin Oldfield, 30 Jul 2017

The ESP8266

Brief notes on the ESP8266

Martin Oldfield, 07 Jul 2017

Linux WiFi configuration

Aidés-memoires for configuring WiFi on a Raspberry Pi.

Martin Oldfield, 05 Jun 2013