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 |
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