We recommend users work with the Evaluation Board the ULPSM plugs into, that comes with the sensor development kit. However, some have purchased only the ULPSM and so hooking the Vref and Vtemp ...

For microcontrollers without an analog-to-digital converter, or when you need a more accurate ADC. We provide Grove - 4-channel 16-bit ADC(ADS1115), a 4-channel ADC based on Texas Instrument ADS1115, ...