The Useful Components Projects Page
This is the
projects page for Useful Components
Set Radio Kit
A sensitive, small and easy to build crystal set available as a
kit of electronic parts.
Block Six Transistor MW AM Radio Kit
A fully portable modern replacement for the Ladybird Book
Transistor Radio using a single tuned TRF design, available as a
kit of electronic parts, built without soldering using terminal
Six Transistor MW AM Radio Kit
A quicker to build version of the MW AM radio kit using a
Choccy Block Alternate
Flashing Light Flip-Flop
A simple circuit for alternately flashing two or more LEDs or
lamps with output transistors to drive up to 0.5A
Simple Ring Modulator
A simple diode and transformers ring mod to make your "Dalek" or
"Sapphire and Steel" sound effects, as well as some analogue
synth bell timbres.
Telephone Tape Recorder Output Socket
A safe and easy way to record important telephone conversations
on your landline.