DIY Electronics User forum. For troubleshooting of kitsrus.com kits go here. Lots of helpful info!

Calculate 4 band Resistor Values

Calculate 5 or 6 band Resistor Values

CALCULATE ALL 4,5, & 6 BAND RESISTOR VALUES

Please also see our friends in South Africa at www.elctronics123.co.za - For 1,000's of electronic components and kits

Velleman Projects Catalogs: Kits

Velleman Projects Catalogs: Modules & Amps; Instruments

Directory of integrated circuits and electronics components

Electric Vehicle web site

Halloween projects

Check out the great electronics projects and hack ideas here!!

Homemade Trail Cameras

555 Timer Circuits - All the electronics info you need to know about the 555 Timer. With over 80 circuits. Learn how to use the LM317 voltage regulator in every day applications. Includes circuits that you can build.

Open source electronics - Open Circuits is a wiki for sharing open source electronics knowledge, schematics, board layouts, ports and parts libraries


A lot of the kits we sell we do not have available in an Assembled and Tested version. However we can assemble most of the kits we carry. Please email us at: general@electronics123.com for a quote.

Want to change microfarad in picofarad? Lookup resistor color codes? Ohms law? GDP of France? Calories in a slice of bread? Etc. etc. etc. See Wolfram|Alpha!