Waveshare High-Precision AD/DA Board User Manual

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High-Precision AD-DA User Manual

Revision: 1.2. Date: October 30 2015. Author: Zhou Jie. Editor: Felix

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High-Precision AD/DA Board

User Manual

Overview

There's no AD/DA function on the

Raspberry Pi GPIO interface, this may

troubled 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.

Supported Pi

 Raspberry Pi 1 Model A+

 Raspberry Pi 1 Model B+

 Raspberry Pi 2 Model B

Features

 Onboard ADS1256, 8ch 24bit high-precision ADC (4ch differential input), 30ksps sampling rate

 Onboard DAC8532, 2ch 16bit high-precision DAC

 Onboard input interface via pinheaders, for connecting analog signal

 the pinout is compatible with 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

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Summary of High-Precision AD/DA Board

Page 1
High-precision ad-da user manual 1 revision: 1.2. Date: october 30 2015. Author: zhou jie. Editor: felix share awesome hardware high-precision ad/da board user manual overview there's no ad/da function on the raspberry pi gpio interface, this may troubled you in the pi development. However, it won't...
Page 2
High-precision ad-da user manual 2 revision: 1.2. Date: october 30 2015. Author: zhou jie. Editor: felix share awesome hardware what's on board 1. Raspberry pi gpio interface: for connecting with the pi 2. Ad/da input/output: screw terminals 3. Ad input: pinheaders, the pinout is compatible with wav...
Page 3
High-precision ad-da user manual 3 revision: 1.2. Date: october 30 2015. Author: zhou jie. Editor: felix share awesome hardware symbol descriptions 1) ad/da input/output (tab 2) ad0-ad7: analog input agnd: analog ground gnd: digital ground vcc: power supply (3.3v and 5v optional, can be switched by ...
Page 4
High-precision ad-da user manual 4 revision: 1.2. Date: october 30 2015. Author: zhou jie. Editor: felix share awesome hardware 1. Basic operation of raspberry pi before using the module with raspberry pi, such basic operations are required:  using raspberry pi image  using linux terminal if you h...
Page 5
High-precision ad-da user manual 5 revision: 1.2. Date: october 30 2015. Author: zhou jie. Editor: felix share awesome hardware 2. Getting started the following api source codes should be run under the bcm2835 library, which can be downloaded from http://www.Airspayce.Com/mikem/bcm2835/ 2.1. Analog ...
Page 6
High-precision ad-da user manual 6 revision: 1.2. Date: october 30 2015. Author: zhou jie. Editor: felix share awesome hardware 2) jumper settings: set the power supply to 5v: connect the pin 5v and vcc. Set the reference input voltage to 5v: connect the pin 5v and vref. Connect the pin da0 to leda,...
Page 7
High-precision ad-da user manual 7 revision: 1.2. Date: october 30 2015. Author: zhou jie. Editor: felix share awesome hardware 3. Interface definition pin symbol description 1, 17 3.3v power supply (3.3v) 2, 4 5v power supply (5v) 3, 5, 7, 8, 10, 18, 22, 24, 26, 27, 28, 29, 32, 36, 38, 40 nc nc 6, ...
Page 8
High-precision ad-da user manual 8 revision: 1.2. Date: october 30 2015. Author: zhou jie. Editor: felix share awesome hardware 4.Revision history revision changes date 1.0 initial release june 26 2015 1.1 released english version manual minor edits july 17 2015 1.2 changed “dac8552” to “dac8532”. O...