This is a circuit that features a running pace with a changing voice, the tiny microphone. For a frivolous fun. Operation of the circuit when a signal is to change the MIC1 audio signal and power amplifiers to be stronger. The LM358 IC1 / 1 and IC1 / 2 classified as a circuit that changes [...]
Dew (condensed moisture) ad- versely affects the normal per- formance of sensitive electronic devices. A low-cost circuit described here can be used to switch off any gadget automatically in case of excessive humidity. At the heart of the circuit is an inexpensive (resistor type) dew sensor element. Read more original source: http://www.electronicsforu.com/efylinux/circuit/cir121.htm Related Links More [...]
This is AC Inverter. Input 12VDC from car battery to output 220V AC 50Hz or 60Hz at Square wave signal. The main part is IC CD4047 and IC LM358 and Transistor 2SC1061 and 2N3055. The transformer is 12V-012V Primary : 220V Secondary. and current 3A up for power output than 100W. Note: C1 = 0.1uf [...]
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