Hot 3528 white light 6-7LM
Photocoupler
The TDA1024 electronic thermostat senses the soil temperature via the thermistor R6. The circuit uses a heater zero-crossing switch and the heater is made of elastic coated steel wire. P1 is used to set the temperature. The heater has a resistance of 2 Ω or more and the transformer operates at a voltage of 9V.
1.2 Inch Fnd Numeric Display,Indoor Fnd Numeric Display,Single Digit Fnd Numeric Display,1 Digit Fnd Numeric Display
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