Raspberry Pi High Precision AD/DA Expansion Board
The Raspberry Pi High Precision AD/DA Expansion Board is designed for the Raspberry Pi and Jetson nano. The High Precision AD/DA Board allows you to add high precision AD/DA functions to the Raspberry Pi.
User Manual
Features
- SKU: 11010
 - Onboard ADS1256, 8-channel 24-bit high-precision ADC (4-channel differential input), 30 ksps sampling rate.
 - Onboard DAC8552, 2-channel 16-bit high-precision DAC.
 - Pinout complies with Waveshare sensor interface standard, easy to connect various analog sensor modules.
 - Onboard terminal block, encapsulates input and output interface, which can be connected to analog signals and digital signals, suitable for use in various situations.
 - Contains AD/DA detection circuit, easy for signal display.
 - Provides online sample demo of Raspberry Pi and Jetson Nano.
 
| Pin | BCM | WiringPi | Description | 
| DRDY | P17 | P0 | ADS1256 data output,active-low | 
| RESET | P18 | P1 | ADS1256 reset input | 
| PDWN | P27 | P2 | ADS1256 Sync/Shutdown power input, active-low | 
| CS0 | P22 | P3 | ADS1256 chip select, active-low | 
| C1 | P23 | P4 | DAC8532 chip select, active-low | 
| DIN | P10 | P12 | SPI data input | 
| DOUT | P9 | P13 | SPI data output | 
| SCK | P11 | P14 | SPI clock signal | 
