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Eggs hatching incubator 4

2014-11-18 09:27  
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Eggs hatching incubator 4
The eggs hatch incubator circuit is composed of the power supply circuit, temperature control circuit and sound and light alarm circuit, and it is shown as the chart. Power supply circuit is composed of the power switch S1, fuse FU2, power transformer T and rectifier diodes VD3 ~ VD6. Temperature control circuit is composed of electric hot thermometer Q1, resistors R1 ~ R3, capacitors C1, C2, thyristor VT1, diode VD9, relay K, light-emitting diode VL1 and manual / automatic switch S2. Sound and light alarm circuit consists of the electric hot thermometer Q2, resistors R4 ~ R9, capacitors C3 ~ C6, thyristors VT2, VT3, diodes VD1, VD2, VD7, VD8, light-emitting diodes VL2, VL3 and buzzer HA.