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| Micro Controllers Discuss all aspects of micro controllers - building them, coding them, etc. All controllers are welcome - PIC, BASIC, Z8 Encore!, etc. |
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25th July 2007, 09:05 AM
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6A motor
Hi
Iam operating solenoid valves and water motor using 89C51+74HC540+ULN2803+Relays. The system is reset when the water motor is switched on. Motor rating is 2phase, 7A motor. How to avoid this problem Regards chandu |
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25th July 2007, 09:53 AM
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The noice from the Electric motor during starting will reset the circuit, better you maintain a long distance between the motor and circuit and isolate the relay circuit from the microcontroller circuit.
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25th July 2007, 10:37 AM
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Did you use the pin 10 of ULN2803?
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