Loom Controller

Published:2011/7/7 2:32:00 Author:Felicity | Keyword: Loom Controller | From:SeekIC

Work of the circuit The circuit consists of touch control circuit, the light control circuit, overheat protection circuit, working status indication circuit and control implementation circuit. (It is showed in picture 8-132.) Touch control circuit consists of touching electrodes A and the circuit inside 2 feet of time-base integrated circuit IC. The light control circuit consists of infrared emitting diode VLl, infrared phototransistor, V5, transistor V6, resistors RlO and R3-R6 and circuit within IC’s pin 7. Overheat protection circuit consists of transistor Vl-V4, diode VD1, resistors Rl and R2, capacitor Cl and C2, potentiometer RP and circuit within IC’s pin 6. Working status indication circuit consists of resistors R7, R8 and LED VLl, VL2. Control implementation circuit consists of transistor V7, relay K, resistor R9 and diode VD2.



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