DIY Electronic 4bit Display Temperature Control Kit With USB Port And Power Supply Cable

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DIY Electronic 4bit Display Temperature Control Kit With USB Port And Power Supply Cable

Feature:

– The circuit has 18B20 temperature sensor (its shape is the same as transistor, do not mix them up)  as its sensing element.
– Its data is processing by the AT89C2051 SCM, and the 0.56 inch three common anode digital tube display its temperature value.
– Can use computer USB or battery to supply power.
– Temperature display range -55 ~ 125 degrees, accuracy is 1 degree.
– When the ambient temperature exceeds the setting temperature, the alarm diode flashes, and the relay starts to work at the same time.

Package included:

1 × Temperature Display Control Kit
1 × USB Cable