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： Raspberry Pi Zero 2W Dual Ethernet Expansion Board USB Hub Expansion RJ45 Electronic EYE 0.71 inch Round LCD Display Screen For Arduino Raspberry Pi ESP32 Pico STM32 0.99inch Sipeed NanoCluster Mini Cluster Board mini data center For Raspberry Pi CM45 / Computer /LM3H /M4N DDSM315 Direct Drive Servo Motor All-In-One Design Hub RS485 Motor Industrial USB TO RS485 Isolated Bidirectional Converter Original FT232RNL 2 Meters long Raspberry Pi 5 PoE MINI HAT(G) Power over RJ45 Ethernet 802.3af/at Moudle for Pi5 SK18 Computer AI Deepseek Voice Keyboard Linux 18x1.58inch LCD Screen Customize keys USB to JTAG Raspberry Pi 3.97 inch e-Paper link (G) RYBW 800x480 For Arduino / Jetson / STM32 /ESP32 Raspberry Pi 4 USB Audio Bus servo driver board SC09 Serial UART Bus Servo Motor Switchable 2.3kg 300Angle ESP32-S3 Industrial Grade Dual Channel CAN Relay IoT Device UNO-Q 10.1 inch DSI Display MIPI LCD Capacitive TouchScreen 800x1280 Raspberry Pi AV to RGB JETSON-NANO-MINI EG25-G Mini PCIe SIMCom Original 4G LTE Cat-4 Module Global Coverage GNSS PCI Express Mini Card ESP32 1.9 inch LCD Capacitive TouchScreen 1.9inch Display ST7789 170x320 for Arduino /Raspberry Pi /Pico

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： ESP32 C6 AI 1.54inch Development Board 1.54 inch TouchScreen Display DeepSeek Raspberry Pi 320×1480 Pi4B Raspberry Pi 5 Case ESP32-S3 LCD Mini tiny Development Board 0.85 inch Display 0.85inch Screen 128x128 SD-Port For Arduino DeepSeek Chat Robot ESP32-S3 1.54 inch LCD N16R8 MUMA Development Board Display Screen Wifi Weather Station TimeClock WiFi Bluetooth USB Type-C ESP32-S3 Industrial 8-CH Relay IOT LAN WiFi /Bluetooth /CAN /RJ45 Ethernet /POE SIM8230G M2 3G/4G/5G/GNSS/GPS Sub-6G PCIe M.2 Moudle For LTE-A/NSA/SA For DFOTA /VoLTE For SIMCOM JETSON NANO MINI Spotpear Raspberry Pi 9.7 inch e-Paper HAT+ (E) E-Ink E6 Full color 1120x784 Screen Display For Arduino /STM32 /ESP32/Jetson Nano Spotpear GMSL Camera 3MP Automotive Image Sensor IP6 Waterproof For Jetson Orin ESP32 S3 4.3inch LCD 800x480 Captive TouchScreen Display Board LVGL Sensor CAN I2C RS485 Sipeed Lichee Tang Nano 20K FPGA RISCV Retro-Game Linux GW2AR-18 GOAI Gowin Raspberry Pi 5 Argon-NEO-M.2-NVME-PCIE-Expansion-Board Argon NEO 5 Case Jetson Orin Top-Version Luckfox Lyra Ultra RK3506B OnBoard EMMC-8GB Mic Option WiFi6 /PoE With Audio and Display Port