How to Make a Babies Bath Over Temperature Indicator featured image

Babies Bath Over Temperature Indicator.

By using a temperature activated board built in the heat activated option it is possible to make a simple babies bath too hot indicator. The ‘too hot’ state can be indicated by an LED that light by the addition of the 150ohm resistor (in R3) and red LED (in LED1). The thermistor should be mounted on separate flying leads as the PCB should not be immersed in water.

Parts List:

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