Circuit diagrams for radio amateurs
Processor Fan Control
01.04.2016
| Other
Fans in PCs can be objectionably loud. In many cases, the amount of noise produced by the fan can be...
How to build Battery Voltage Indicator Circuit - circuit diagram
21.03.2016
| Batteries, chargers
DescriptionConnecting this circuit to the battery of your vehicle, you will always know at a glance the approximate voltage available.
Miniature directional antenna on the band 144-146 MHz
23.03.2015
| Shortwave antenna
Encyclopedia of electronics and electrical engineering Free library / Schematic of electronic and...
Repair of the power supply unit of the microwave oven
27.03.2015
| Power supplies
About a year ago I had to repair the microwave oven brand Bork models
MB IIEI 2623 S1, failed due...
How to rebuild the audio in VCR in our standard
19.07.2015
| Television and video
Not uncommon is now for sale (at a price 2-3 times lower than new) in the bazaars of the former...