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G470
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[[File: IMG-8988-Dimension.jpg|right|thumb|G470 Screw Terminal Block Breakout Board]]
==Overview==
This G470 GPIO Test Terminal Block Breakout Board for Raspberry Pi is an easy-to-use expansion board designed to simplify wiring and connections for your Raspberry Pi projects. With labeled screw terminals for each GPIO pin, it provides a reliable way to connect external components without soldering, making it ideal for prototyping and development work. This breakout board is perfect for makers, hobbyists, and developers looking to simplify and improve the connectivity of their Raspberry Pi projects.
==Features==
* 1 x Screw Terminal Block Breakout Board (Model: G470),
* 1 x Screws Pack
==User Manual==
===PCF8591===
Test image version: 2022-04-04-raspios-bullseye-armhf.img Raspberry pi 4B
Enable I2C
sudo nano /boot/config.txt
[[File: Pi-sensor-board-01.png|400px]]
Ensure that I2C is on, and then restart the system.
sudo reboot
After restart, address 48 can be detected by I2C address detection command.
i2cdetect -y 1
[[File: Pi-sensor-board-02.png|400px]]
Ensure that jumper caps are connected to PCF.
[[File:Rpi-all-gpio-test-board-b-03.jpg|400px]]
Download sample codepcf8591
run command
cd pcf8591/
sudo python pcf8591_adc.py
[[File: Pi-sensor-board-04.png|400px]]
Phenomenon:
4-channel print AD value
DAC
run command
sudo python pcf8591_dac.py
[[File: Pi-sensor-board-05.png|400px]]
Phenomenon:
The LED lamp changes with the output value of DAC, and the brightness changes.
===LED===
Make sure that the jumper caps are connected to the LED.
[[File: Rpi-all-gpio-test-board-b-06.jpg|400px]]
Download GPIO_Test.py to raspberry pi.
run command
sudo python GPIO_Test.py
Phenomenon:
The power indicator LED is always on, and the GPIO connection LED is turned on in turn, and then turned off in turn, continuously circulating
==FAQ==