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Miscellaneous circuit diagrams
February 13, 2014
The clock movement is made in Korea by "Sau Jin LTD" "Dae Woo CO LTD" and has no jewels. It measures 4.5 inches diameter by 1.5 inches deep plus 1.5 inches for the hands and... [more]
December 11, 2010
Pressing the pushbutton of the transmitter, a sound and/or light alert is activated in the receiver. The system uses no wiring or radio frequencies: the transmitted signal is conveyed into the mains supply line. It... [more]
December 10, 2010
This is a small, portable set, designed for those aiming at look improvement. The Bio-Stimulator provides muscles' stimulation and invigoration but, mainly, it's an aid in removing cellulitis. [more]
November 16, 2010
This circuit is intended to provide good square waves converting a sine wave picked-up from an existing generator. Its major feature consists in the fact that no power-source is needed: thus it can be simply... [more]
November 8, 2010
Many people experienced sleeping well in natural surroundings, into a tent or a wooden hut. This fact is due not only to the healthy atmosphere but also from our unconscious ability to perceive natural Earth's... [more]
October 16, 2010
This circuit provides a delayed visual indication when a door bell switch is pressed. In addition, a DPDT switch can be moved from within the house which will light a lamp in the door bell... [more]
June 26, 2010
This card is a "season type" interface card to connect your PC to your satellite decoder. Using programs like "Decrypt" you will be able to view a number of encoded transmissions in Videocrypt and D2MAC. [more]
June 23, 2010
This set of two circuits from the basis for a very simple light wave transmitter. A LASER beam is modulated and then aimed at a receiver that demodulates the signal and then presents the information... [more]
June 22, 2010
Two low voltage, low power zeners are used to control electronically the level of an audio signal. [more]
June 15, 2010
This adaptor circuit is essentially a 100mA constant current source. It is applied across a low-value resistor of unknown value (ie, the resistance to be measured) and the resulting voltage drop can then be measured... [more]
circuit from:http://www.extremecircuits.net/2010/05/low-ohms-adaptor-for-dmms-based-on.html
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