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the thermoelectric cooler will quickly reach stasis and do nothing
When the parallel load (PL) input is LOW
Note: for the code above
ISM900 is an ultra compact and reliable wireless module
Common 3-state output enable input
2.4GHz Wireless Transceiver nRF 24L01 (85 meter) 74HC86 (Quad 2-Input EXCLUSIVE-OR Gate) the thermoelectric cooler will quicklyThese are a series of 2. 4 GHz Radio modules that are all based on the Nordic Semiconductor module nRF24L01. The Nordic nRF 24L01 integrates a complete 2. 4GHz RF transceiver, RF synthesizer, and Enhanced ShockBurst hardware protocol accelerator supporting a high speed SPI interface for the application controller. The low power module with range about (60 meter or so)Transceiver is available on a board with Arduino interface and built in Antenna.
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