Vegetable greenhouse temperature detection control circuit

  
Vegetable greenhouse temperature detection control circuit Greenhouses temperature detection control circuit, it is mainly by the
Vegetable greenhouse temperature detection control circuit - schematic

temperature sensor SL234M, operational amplifier LM324, LM358, dual time base circuit NE555, relay J and the like of the display driver circuit. Equivalent temperature sensor output voltage by multi-stage amplifier after the amplifier (6) for comparison with the set value, and then go through the NE555 control relay, and then the greenhouse heater control, while the temperature range by emitting greenhouse diode (LED) display.




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