- Bowden’s Hobby Circuits – Many circuits and blocks you must know.
- HobbyElectronics.info – Tutorials, Electronic Course. DSPs, Repair.
- Electronics Hobbyist – Hobby Ideas, Tesla, Electrostatics, Basics.
- Hobby Hound – A blog of selected sites which are very useful.
- Circuits of Aaron Cake – Lights, Laser, Telephone, Auto – Projects.
Amateur Radio and Ham
- Rason Projects Page – Power supplies, opamps, jfet, audio, RF.
- Australian Amateur Radio – Morse/10/Q Tables, UHF CB Repeaters.
- QRP DL2YE0 - Udo from Spenge. 250 W SMPS with power FETs. Front Panel Design.
DIY Do-It-Yourself Projects
- Laurier’s Handy Circuits – Meters, Counters, Timers, preamplifier.
- Elektronika Jaroslav Belza – Practical and Unique DIY Projects !