Raspberry Pi ADC-DAC Module(English)
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Raspberry Pi ADC-DAC Module
Description
The ADC-DAC module
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
File:P14.JPGFile:P13.JPGFile:P15.JPG
File:P5.JPGFile:P4.JPGFile:P2.JPG
File:P12.JPGFile:P10.JPGFile:P11.JPG
product scale
schematic
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
- select Advanced Options
- select I2c
- select yes enable I2C
- type in [sudo vim.tiny /etc/modules] to open file modules
- add i2c-dev device like picture below
- install i2c-tools ,type in [sudo apt-get install i2c-tools]
- 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
- 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 command
gpio -x pcf8591:120:0x48 aread 120
can read the ADC input