News post : Electronic Projects Circuits :Eleccircuit.com |  |
| Simple Light meter circuits using LM334 Posted: 13 Aug 2013 01:29 AM PDT The light meter circuit is a tool, measure the quantity of light, widely used to a photography, To decide the correctness of the exposure. Sometimes, we are use with other works, such as my son likes to use in science experiments, which do not need to have high quality. This simple light meter in figure [...]  |
| 20 LED cheap electronic VU-meter using transistor Posted: 12 Aug 2013 11:45 PM PDT This electronic VU-meter is designed for who want to have a circuit that can drive LED up to 20 pcs.(Stereo 40 LEDs) Which the circuit using a generally IC will can not directly connect to uses. In addition to this project is very easily circuit and also can modify to drives Solid State Relays for [...]  |
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