Features Adopts ADS1263 chip, low noise, low temperature drift, 10-ch 32-bit high precision ADC (5-ch differential input) , 38. 4kSPS 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 Pi Three-wire RTD (resistor temperature detector) circuit, enabled by soldering 0R resistor Specification Compatible With Pi Series And Jetson Nano What Can It Do: Enable High Precision AD Conversion Capability For Your Pi ADS1263 Onboard: 10-Ch 32-Bit High Precision ADC AD Input Headers: For Connecting Sorts Of Analog Sensor Modules, Compatible With Waveshare Sensor Pinout AD Input Screw Terminal: For Connecting Analog Signal And Analog Power Supply, General Purpose Part List 1. High-Precision AD HAT x1 2. RPi screws pack (2PCS) x1