- Stock: In Stock
- Model: 9531
- SKU: SAT3701
- Location: India
There’s no AD/DA function on the Raspberry Pi GPIO interface, this may trouble you in the Pi development. However, it won’t be a problem anymore. The High-Precision AD/DA Board allows you to add high-precision AD/DA functions to the Raspberry Pi.
What’s on Board
Waveshare Raspberry Pi High-Precision AD-DA Expansion Board
Raspberry Pi GPIO interface: for connecting with the Pi
AD/DA input/output : screw terminals
AD input: pin headers, the pinout is compatible with Waveshare sensor interface standard, easy to connect various analog sensor modules
7.68M crystal
LM285-2.5: provides the reference voltage for the ADC chip
Photoresistor
LED output indicator
10K potentiometer
DAC8552 : 16bit high-precision DAC, 2ch
Power indicator
ADS1256 : 24bit high-precision ADC, 8ch (4ch differential input)
ADC testing jumper
DAC testing jumper
Power selection jumper
ADC reference ground configuration: when AD single inputted, the AINCOM is reference terminal, can be connected to GND or external reference voltage
Useful links:
Interfacing of Waveshare Raspberry Pi High-Precision AD/DA Expansion Board
Features:
- Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano.
- ADS1256, 8ch 24bit high-precision ADC (4ch differential input), 30ksps sampling rate.
- DAC8552, 2ch 16bit high-precision DAC.
- Input interface via pin headers, for connecting analog signal.
- The pinout is compatible with the Waveshare sensor interface standard, easy to connect various analog sensor modules.
- Onboard input/output interface via screw terminals, for connecting analog/digital signal.
- Features AD/DA detect circuit, easy for signal demonstration.
Package Includes:
1 x High-Precision AD/DA Board
1 x RPi screws pack (2pcs)