Free Electronic Circuits & 8085 projects

Electronic projects with circuit diagram and 8085 microprocessor projects.

5G673 touch switch circuit

Published on Aug 10 2010 // USB based circuits

5G673 touch switch circuit

I occasionally get an e- mall 5G673 integrated circuit , according to data produced by a touch switch, circuit shown in Figure . Circuit is 5G673 IC and relays , and some RC composition , which is an interlocking 5G673 8 block output PMOS integrated circuit , M1 ~ M6 is a six piece of metal touching its input connected through resistor R1 ~ R6 cathode voltage Therefore, usually high- potential state, are low voltage output when touching metal M1 ~ M6 arbitrary one , the corresponding output becomes high , and resistance R7 ~ R12 to generate pressure The road down to transistor conduction , thereby driving LEDs for instructions and to control and relay the purpose . Click on the touch tablet , such as M1 , transistor V1 turn , relay K1 pull , control of the road circuit . Relay K1 ~ K6 I use 12V of 4099 . No special requirements other icon by the circuit .