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IBM 1130 Project edit / delete
Building an 1130 from scratch (well, from more common related parts, like keypunch keyboards and electric typewriters).
to electronics ibm retrocomputing ... on 30 March 2013
Linux and electronics notes. edit / delete
There's a pretty spectacular demo of rewinding a transformer using a stepper motor to distribute the windings evenly -- and some other neat things, e.g. building a boost converted using an AVR, and measuring AA cell discharge rates.
to aa avr battery electronics microcontroller stepper transformer winding ... on 24 March 2013
Bi-Directional MOSFET Voltage Level Converter 3.3V to 5V edit / delete
Neat circuit using a single MOSFET to do bidirectional level conversion. This is what the Sparkfun etc. boards do.
to electronics level-conversion logic microcontroller mosfet ... on 24 March 2013
Technical Inforamation - Active Antenna Amplifier Ham Kit edit / delete
Kit version of LZ1AQ's active antenna design, for both loops and dipoles (or two loops used as a dipole!). Neat.
to active antenna electronics radio ... on 18 March 2013
BBC RD - Publications - White Paper 132 : Dipole Antennas edit / delete
Excellent overview of dipoles and variations thereof (folded dipoles, cones, discones, etc.).
to antenna dipole electronics hf radio vhf ... on 08 March 2013
Phonograph Makers' Pages edit / delete
Homebrew wax cylinder players. Some very neat engineering.
to audio cylinder electronics mechanica record recording retrotech turntable ... on 26 February 2013
How Grandmother Triode Stole Binary from the Sun - The Wanderers' Library edit / delete
to amusements electronics ... on 18 February 2013
Small World Communications - EDUC-8 Microcomputer edit / delete
An Australian electronics magazine project: a 8-bit bit-serial minicomputer with a PDP-8-style instruction set. Very neat!
to educ8 electronics homebrew pdp8 retrocomputing ... on 15 February 2013
Comparative list of embedded Linux development boards (Raspberry Pi, etc.).
to arm electronics embedded linux shopping ... on 11 February 2013
koo.corpus.cam.ac.uk edit / delete
A wide variety of fun homebrew projects; I remember reading about the CHAOS machines here before, but there's also a DIY CD player, various ATM stuff, etc.
to 2650 68000 atm cd electronics homebrew retrocomputing ... on 07 January 2013
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tasty by Adam Sampson.