Adopts ADS1263 chip, low noise, low temperature drift, 10-ch 32-bit high precision ADC (5-ch differential input), 38.4 kSPS Max sampling rate with embedded 24-bit auxiliary ADC, internal ADC test signal, IDAC, 2.5V internal reference voltage, 8x multiplexing GPIO, PGA (32 times Max); Onboard AD header input, compatible with Waveshare sensor pinout, for connecting sorts of sensor modules; Onboard AD screw terminal input, allows connecting analog signal and analog power supply, general purpose interface; Onboard control header, make it easy to control the module by other hosts in additional to Raspberry Pi; Three-wire RTD (resistor temperature detector) circuit, enabled by soldering 0R resistor