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： Spotpear Raspberry Pi 10.1 inch QLED Quantum Dot Display 1280x720 Capacitive Touchscreen For Computer PC/Jetson/Game Industrial Modbus POE ETH RJ45 To Relay 30CH RTU/Modbus TCP-Ethernet For IOT Industrial Modbus RTU RS485 8-ch 30A High Current Relay Module (E) With Digital Input VGA to TTL Raspberry Pi 15.6 inch FHD Monitor (C) LCD 1080P Capacitive TouchScreen Display Type-C/HDMI For Computer PC Camera Raspberry Pi 5 PCIe To M.2 E KEY NGFF WIFI7 WIFI6 For BE200/AX210/AX200/RTL8822CE Raspberry Pi 5 Cooling Raspberry Pi Pico Image-Modulation-Tutorial User Guide RoArm M2 4 DOF High Torque Serial Bus Servo ROS2 WIFI ESP NOW UART USB ST3235 QMI8658C For ESP32 Raspberry Pi 5/4B not boot To update BootLoader EEPROM Tutorial Raspberry Pi 5 PCIe to M.2 NVME SSD And Gigabit Ethernet RJ45 HAT RTL8111H M_KEY For 2230/2242/2260/2280 RP2040 LoRa-HF CAN FD Analyzer Industrial USB to RS485 Converter SpotPear X1008 Raspberry Pi 5 PCIe to 2.5" 3.5" SATA HDD/SSD Dual Double-SATA (NOT BOOT From SATA/SSD Raspberry Pi 5 DSI display

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 Thermal imaging camera ESP32 S3 1.46 inch Round LCD Display XiaoZhi DeepSeek AI Voice Chat WIFI-Kit-32 Raspberry Pi 5 PoE MINI HAT (H) 5V/5A Power over RJ45 Ethernet 802.3af/at Moudle for Pi5/CM5 SpotPear Raspberry Pi 5inch Display 1024x600 HDMI Resistive TouchScreen 5 inch LCD G Mini PC Computer Raspberry Pi 5 MIPI Cable LuckFox Raspberry Pi 5 POE PCIe To M.2 WIFI7 Raspberry Pi 5 - 2GB RAM Arduino UNO R4 Minima Jetson 100X Industrial Microscope Lens C/CS Mount Raspberry Pi HQ Camera Global Shutter RM500Q AE IoT EMBB 5G 4G 3G M.2 LTE-A/NSA SA GNSS DFOTA VoLTE Quectel Raspberry Pi 5 PCIe to M.2 NVMe SSD Rockchip UNO R4 Minima Industrial Modbus POE ETH Relay 30CH RTU Modbus TCP-Ethernet Digital Input PoE Power IOT Raspberry Pi LCD display screen 1.3inch ST7789 with Industrial Modbus RTU Dual Ethernet RJ45 To 8ch POE ETH Relay (C) PoE Power over Ethernet