Odds and ends
Sometimes I fix or build things that don't contain valves or nixies. This chapter contains some repair and DIY experiences I want to share that don't fit into the other chapters. Read on and enjoy.
To construct a Bi-Quad antenna to improve WiFi range for devices in the shed in my back garden.
To fix a DeLonghi Magnifica S
coffee machine having trouble detecting its coffee grounds
container.
To convert a Compaq laptop power adapter into a LED lighting power supply.
To repair my Krups XN2001
Nespresso coffee maker.
To put together a RS-232 to TTL converter to communicate with a defective disk controller.
The failed repair of my son's Yellow bathtub submarine.
To build a cabinet for a guitar amplifier combo.
The techniques I learned and applied for applying a new speaker cloth on an old radio.
Copyright © 2014-2026 by Onno's E-page published 2014-01-04 last updated 2026-09-15 last edited 2026-09-25