Simple LM386/BC547 indoor-outdoor intercom panel.
Here is a simple one-way intercom circuit using the LM386 integrated circuit. I've used the sch…
Here is a simple one-way intercom circuit using the LM386 integrated circuit. I've used the sch…
Mains hum is a major problem in almost homebrew amplifier project.I run across this problem all th…
As a beginner in electronics you should follow some very basic principles to avoid risk of elect…
Diodes come in various types. We got standard diodes,LED, photo ,Zener,Schottky,tunnel,breakdown…
Here is a very basic 12 volt battery charger to charge any lead-acid battery small or big.I used…
soldering iron soldering iron soldering base soldering base soldering wire …
portable mobile phone charger How to make a portable charger for your mobile phone. The c…
This metal detector-the 'Pirate'- was originally designed by this Russian forum .It…