ULN2803 8-channel RC Servo Port for Raspberry Pi

Bring in some muscle to your output pins with 8 mighty Darlingtons! This driver chip contains 8 drivers that can sink 500mA from a selectable 5V or DC input voltage supply and has kickback diodes included inside for driving coils. This will let your little microcontroller or microcomputer power solenoids, DC motors (in one direction) and unipolar stepper motors.

ULN2803 8-channel RC Servo Port for Raspberry Pi The GPIO Pins are connected to ULN2803 inputs through a DIP switch, with the its outputs going to two array of Wire-to-Board header. Alternatively, these ports can be used to supply +5V or input voltage to other external circuitry, or embedded devices.

Optional driver to install – WiringPi

1. Install GIT
sudo apt-get install git-core

2. Download WiringPi
git clone git://git.drogon.net/wiringPi

ULN2803 8-channel RC Servo Port for Raspberry Pi schematic3. Enter the directory of wiringPi
cd wiringPi

4. Install wiringPi

5. Test GPIO port
gpio mode x out (x = 0~7)
gpio write x 1
(x=0~7, 1=On)
gpio write x 0
(x=0~7, 0=off)


For more detail: ULN2803 8-channel RC Servo Port for Raspberry Pi

About The Author

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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