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： Jetson Nano 4G module DDSM115 Direct Drive Servo Motor All-In-One Design Hub RS485 Motor Raspberry Pi 11.6 inch LCD HDMI /Type C Display In-Cell Capacitive TouchScreen 1768x828 For Jetson Nano/mini Computer PC Raspberry Pi Display Driver Board X1300 X1300-A2 Raspberry Pi 5 HDMI to CSI-2 Shield 1080P@60fps & Audio & Video Also ESP32 MLX90640 Spotpear X1009 Raspberry Pi 5 PCIe To 5-Port SATA SATA3.0 (NOT BOOT From SATA) ESP32-S3 LCD Raspberry Pi PICO Long-Range Communication Core1121 LoRa LR1121 HF LF SPI For Sub-GHz and 2.4GHz Raspberry Pi Compute Module 4 CM4 IO Board Dual Gigabit Ethernet Mini Router Board Core2021 LoRa LR2021 HF LF SPI LoRaWAN For Sub-GHz and 2.4GHz Raspberry Pi 3.7 inch e-Paper link (G) RYBW 416x240 For Arduino / Jetson Nano / STM32 ESP32-S3FH4R2 Computer Secondary Screen ESP32 C6 Development board 1.9 inch LCD display 1.9inch Screen 172×320 With SD slot RGB LED QMI8658 6-Axis-Sensor ST7789 CST816 Industrial-grade isolated 2-way RS485 hub repeater One RS485 TO Two RS485 ESP32 S3 LCD Camera Development Board 2 inch Display QMI8658 Sensor / Battery Port LVGL/HMI For Arduino XIAO RA4M1 Tiny SuperMini Board For Arduino Uno IDE For SeeedStudio R7FA4M1

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： Raspberry Pi 5 Active Cooler Raspberry Pi Pico 1.28inch Round LCD Display Screen On-Board RP2040 Gyroscope-Sensor Metal-Case ESP32-S3 1.28inch Round LCD Display Screen GC9A01A QMI8658A Case Raspberry Pi 5 PCIe to M.2 4G 5G USB 3.2 HUB HAT SIMCom Quectel 4G 5G M.2 Key B IMX462 ESP32 S3 N16R8 Development board 1.9 inch LCD Display 1.9inch TouchScreen 170×320 SD-Port RGB LED QMI8658 6-Axis ST7789 CST816 X1004 Raspberry Pi 5 PCIe M.2 NVMe Dual SSD Pi5 Double 2280 18.5 inch Dual Double LCD Computer PC Monitor Display Secondary Screen TypeC Mini HDMI Windows MacOS Raspberry Pi 4B ABS black shell Case For Official Original 7 inch 800x480 display Touch Screen LuckFox Raspberry Pi Pico 2 RP2350 4inch LCD CAN RS485 QMI8658 Development Board 480x480 TouchScreen Display LVGL HMI I2C Sensor Raspberry Pi Pico 2 RP2350 USB A Development Board Flexible PVC Jacket USB to SPI 1.54-inch LCD ornament Raspberry Pi USB Camera 4MP OV4689 Distortion-Free For Jeston RDK Rasberry Pi 5 PCIe TO MiniPCIe GbE USB HUB HAT+ Hub RJ45 SIM7600G-H EG25-G 4G Raspber Pi 5 NVIDIA Jetson 8inch LCD 1280x800 Computer PC Monitor Display Secondary Screen TypeC USB CPU RAM