Raspberry Pi ADC-DAC Module(English)

Raspberry Pi ADC-DAC Module

Description

The ADC-DAC module

File:ADDA 01.jpg

Technical Details

Type	Value
Name	RPI_0.91'OLED_Display Module
screen resolution	128×32
screen type	0.91
diplay scale	22.38×5.58MM
module scale	35.1x15.12x11.8mm
Pixel Pitch	0.17×0.17
Pixel Size	0.15×0.15
work voltage	3.3V

Overview

mounted on Raspberry Pi in the night

product scale

File:ADDA sch02.png

schematic

File:ADDA sch01.png

Learn

• If it's the first time for you to use Raspberry Pi, please make sure the I2C interface is enabled,the following steps will show you how to enable I2C interface
• Type in [sudo raspi-config] set up raspberry pi and prepare to enable i2c interface

File:RTC tech02.png

• select Advanced Options

File:RTC tech03.png

• select I2c

File:RTC tech04.png

• select yes enable I2C

File:RTC tech05.png

• type in [sudo vim.tiny /etc/modules] to open file modules

File:RTC tech06.png

• add i2c-dev device like picture below

File:RTC tech07.png

• install i2c-tools ,type in [sudo apt-get install i2c-tools]

File:RTC tech08.png

• type in [sudo reboot] wait the raspberry pi restart ,Then type in [sudo i2cdetect –y -a 1], if AD-DA Module works ,it should be like picture below

File:Adda tech01.png

• Now you can use some command to test this module .Type gpio -x pcf8591:120:0x48 awrite 120 12 to lightening the LED. notice: the Jumper cap should be mounted on the port

File:ADDA 02.JPG
File:Adda tech02.png

• the commandgpio -x pcf8591:120:0x48 aread 120can read the ADC input

附件

PCF8591.pdf
SSD1306-Revision 1.0.pdf Category:名称