Welcome to buchanan1.net

J.R. Buchanan



Kenwood KDC-BT368U car stereo clock reseting / changing itself
A review of the inexpensive DSO 138 oscilloscope
Three potential metal detector circuits
Power usage of various light bulbs, plus a Kill A Watt test
Some experiments with toroidal inductors
Making / building an Arduino based Temperature Logger
Using a cheap Chinese LM2596 board in a bench power supply
LED Bulbs interfering with Garage Door Opener
Joule Thief Variations and Tests
JVC Car Stero KD-R730BT clock reseting / changing itself
Velleman stereo amp kit, assembled and tested
Amp Hour capacity of popular AA cells (batteries) May 2015
Midnight Science (Peebles) 1 tube regenerative radio kit
Some Lead-Acid (Auto/Motorcycle) battery characteristics
A simple 2 watt audio utility amp
Bosch Charging Systems (Auto/Motorcycle)
Intel/Motorola Hex format (for EPROM programming)
Hey, there's a purple spot on my TV (or monitor)
A headlight modulator for motorcycles
Another headlight modulator for motorcycles (Rik Steenwinkel)
Transient response in simple RC circuits