The simple circuit of digital temperature module and integrated LED connecting to digital 13 interfaces to make temperature indicator light. Use number 13 interface to connect the integrated LED, connect a digital temperature sensor to the number 3 interface. When the digital temperature sensor senses key signal, the LED is on, otherwise, it’s out.
Features
- Using the NTC thermistor sensor,
- Good sensitivity
- the comparator output signal clean waveform is good, driving ability than 15mA.
- the output format: Digital switching output (0 and 1)
- Power supply: 3 – 5V
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