2V Lithium Ion or Lithium Polymer battery charger
A power LED (PWR) is included on the board to indicate when power is applied to the audio CODEC through 3
the entire system should be designed to keep the load current below the 20 A limit
one more hardware serial port is available to the user
The SCD-40 is lower cost and is perfect for indoor/outdoor air quality and CO2 measurements
Adafruit MCP9601 (MCP96L01) I2C Thermocouple Amplifier STEMMA QT / Qwiic Shipping:1 day 2V Lithium Ion or LithiumThermocouples are very sensitive, requiring a good amplifier with a cold compensation reference. The Adafruit MCP9601 I2C Thermocouple Breakout (aka MCP96L01) does all that for you and can be easily interfaced with any microcontroller or single board computer with I2C. Inside, the chip handles all the analog stuff for you, and can interface with just about any thermocouple type: K, J, T, N, S, E, B, and R types are all supported! You can also set