ATmega8 Thermocouple Thermostat

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https://www.electronics-lab.com/47832-2/

morethanuser.blogspot.com has published a thermocouple thermostat based on ATmega8 and  MAX31855KASA Thermocouple to digital converter IC from Maxim. Here is a circuit, I used popular thermocouple type K and MAX31855KASA+ to interface it. I could also put some op amp, and connect to Atmega8’s ADC, but 31855 is for lazy people and has everything inside, […]

MAX30102 – High-Sensitivity Pulse Oximeter and Heart-Rate Sensor

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https://www.electronics-lab.com/max30102/

The MAX30102 pulse oximeter and heart rate integrated sensor module is claimed as the lowest power solution on the market today The MAX30102 is an integrated pulse oximetry and heart-rate monitor module. It includes internal LEDs, photodetectors, optical elements, and low-noise electronics with ambient light rejection. The MAX30102 provides a complete system solution to ease […]