Archives for the ‘Simple Projects’ Category

Battery operated mini night lighting

Mini night light circuit diagramThe circuit is very simple electronic scheme for your small projects. With a few modifications your can use it for aquarium lighting for example, or other applications. The circuit is use low-power LED and this night light will automatically turn off during the day.

Mini Wireless Spy FM 88-108 Scheme

Micro Wireless SpyThis FM transmitter works in the 88-108 MHz frequency band, low-power electronics assembly and easy to implement for use in our homes. And this circuit is great for us to start practicing a little radio transmissions.

Zener diode tester

Zener testerThe following circuit will complete your component tester tool collection. The circuit offers a inexpensive and reliable way of testing zener diodes. In order to work, this zener tester requires 30 VDC.