TC621 temperature sensor using poultry hatchery electronic thermostat control circuit diagram

  
Eggs hatch chicks temperature requirements within 36 ~ 39oC temperature range, temperature sensor integrated circuits using TC621 temperature control circuit, having fewer exte

rnal components, low cost, high reliability, you can set your own upper and lower temperature adjustment Convenience. Its circuit is shown. It consists of a temperature sensor TC621, upper and lower temperature indicator, relay control heating circuits, analog circuits hen called sound, audio amplifier circuit and the AC step-down rectifier circuit.




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