The Fire Denyer is a controller, the size of a standard light switch that is connected to smoke detectors and a control relay mounted in the electrical switchboard that cuts off power to the stove in the kitchen. The purpose is to shut off cooking when smoke is detected. Usually, […]
Since mid-2025 I’ve been looking at Meshtastic. Using T-Beam and Heltec V3 modules and the Android App. Initial testing was indoors on the workbench which then moved out into the back garden. It’s On the Roof This is the original roof mounted Meshtastic node. On a pole with a weather […]
Example Power Meter Application This image shows a power meter plugged in to one of our Fire Safety Cutoff controllers and monitoring power used by a couple of computers and accessory equipment. As this equipment runs 24/7, the meter has allowed us to reduce power overall power use and easily […]
Why make a Light Switch I needed a Wifi connected light switch for the workshop, something a bit more robust than the usual indoor white plastic type. It had to run Tasmota – none of that Tuya stuff. So I built one based on some metal push buttons, supposedly waterproof, […]
To listen to content, news and other stuff using BT headphones while working in various areas around here I have improved the Bluetooth coverage from the main computer. We are in a high BT usage area. Neighbors with dozens of phones, tablets and appliances. BT can be a bit unreliable […]
This is a 12V or 24V fused power distribution board. Designed for use with our solar-battery power system for the computer cabinet and workbench. Allows easy connection and fuse protection on each connection. One XT60 input and 8 XT60 or XT30 fused outputs. Uses standard automotive blade fuses with LED […]