Pi ALL GPIO TEST BOARD (B) User Guide

PCF8591

Test image version: 2022-04-04-raspios-bullseye-armhf.img Raspberry pi 4B

Prepare

Enable I2C

sudo nano /boot/config.txt

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

connection

Ensure that jumper caps are connected to PCF.

Running code

Download sample code pcf8591

cd pcf8591/

sudo python pcf8591_adc.py

Phenomenon

4-channel print AD value

DAC

Running code

sudo python pcf8591_dac.py

Phenomenon

The LED lamp changes with the output value of DAC, and the brightness changes.

LED

Prepare

connection
Make sure that the jumper caps are connected to the LED.

Running code

Download GPIO_Test.py to raspberry pi.

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.

PCF8591：
https://cdn.static.spotpear.com/uploads/picture/learn/raspberry-pi/raspberry-pi-hats/pi-sensor-board/pcf8591-220714.tar.gz

LED：
GPIO_Test.py

Schematic diagram：
https://cdn.static.spotpear.com/uploads/picture/learn/raspberry-pi/raspberry-pi-hats/rpi-all-gpio-test-board-b/rpi-all-gpio-test-board-b-14.png

To：

Dear Customers, There may be a lag of several hours before we could process your order, depending on the time difference between your location and ours. Sincerely hoping your understanding!

Email(support)

services01@spotpear.com

TAG： EyeLink-RC-S1 Industrial Edition 5.5 inch Touchscreen Camera R1M Card Recording Flight Controller FPV Drone ground station image transmission remote Multi Protection Raspberry Pi 64MP Camera ESP32 ST7789 tutorial 800×480 ESP32 1.44inch LCD Raspberry Pi Pico 2 RP2350-Tiny/Tiny-Kit Super Mini Board RP2350A Milk-V Duo S WIFI Configuration 5inch Jetson-nano-to-boot-the-system User Guide User Guide Rasberry Pi 5 PCIe TO MiniPCIe 4G Gigabit Ethernet RJ45 USB HUB HAT+ SIM7600G-H/EG25-G Arduino Thermal imaging Raspberry Pi 5 PCIe to M.2 NVMe SSD Adapter Board (D) HAT Pi5-2280-2242-2230 ESP32-P4 ESP32-C6 Development Board RISC-V WiFi6 MIPI CSI Camera 7/10.1 inch DSI Display /RJ45 Ethernet /Mic /Audio Size Compatible with Raspberry Pi RP2040 NVIDIA Raspberry Pi Camera D-Robotics RDK X3 Development Board Horizon Sunrise Pi ARM Cortex-A53 5Tops 2GB/4GB RAM Raspberry Pi CM5 IO BASE B Mini Board a Base Development Platform Compute Module 5 IO Board with EEPROM And Encryption chip

Price：

$14.9

Model：

Pi-ALL-GPIO-TEST-BOARD-(B)

Raspberry Pi PCF8591 expansion board LED GPIO IO test ADC/DCA Sensor Beginner board

TAG： Omni-Directional Raspberry Pi 5 Aluminum Metal Case PC Monitor Screen USB Monitor Raspberry Pi 5 27W ESP32 H2 ESP32-H2-Zero MINI Development Board For BLE/Zigbee/Thread Raspberry Pi HDMI Display XIAO MG24 MG24-Sense EFR32MG24 Ultra-Low-Power IMU Micphone Antenna Matter zigbee BLE Seeed Studio Arduino Raspberry Pi Zero 2W Dual Ethernet Expansion Board USB Hub Expansion RJ45 Raspberry Pi Pico 2 RP2350 3.5 inch LCD Capacitive 3.5inch TouchScreen Development Board 240x320 Display QMI8658 6-Axis /OV5640 Camera /SD /Battery Port Raspberry Pi 5 Gigabit PoE Switch 120W High Speed 10-100-1000Mbps RJ45 PoE ESP32-S3 AI 1.54-inch e-Paper Ink Screen 1.54inch Display AIoT Development Board Deepseek Raspberry Pi 1.3inch ESP32 1.54inch OLED X1301 Raspberry Pi 5 HDMI to CSI-2 Raspberry Pi Mini Raspberry Pi 6.25 inch DSI Display MIPI LCD Capacitive TouchScreen 720x1560 2 inch Capacitive TouchScreen LCD Display ST7789 CST816 Arduino Raspberry Pi ESP32 Pico CST816D USB TO RS485 EyeLink-RC-S1 Industrial Edition FPV Drone ground station image transmission remote control