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OpenPressure combines an ADS1220 24-bit ADC and a SAMD21 microcontroller to make a complete 24-bit, high precision pressure and temperature sensor interface.
OpenPressure is a result of our work in trying to interface pressure sensors to an ADC as well as a display system based on Arduino. We found the ADS1220 to be a great chip that can directly take a 4-wire, 3-wire or a 2-wire sensor and give the digital output.
Combine this powerful functionality with an ATSAMD21 micro-controller and you've got your very own Arduino-based pressure and temperature sensor interface system.
Note: Due to the new shipping restrictions on Li-ion batteries, the battery pack is NOT included with this board. You can use any readily available Li-Ion/Li-Poly battery with a JST connector.