140 Results for "ULN2003"

RoboCar Zero
Project by borazslo
Underdeveloped robot car with stepper motors and a Raspberry Pi Zero
- 353
- 5

Braille Printer
Project by haydn jones
Open source, low cost home Braille embosser
- 32
- 24

IoT Mechanical Watch Winder
Project by Solenoid
To solve the age-old first-world-problem of having too many automatic mechanical watches, configurable from a smartphone!
- 4.8k
- 41

Combination Lock Cracker
Project by lalalandrus
A quick and dirty combination lock cracker with some cheating.
- 11
- 9

SurgeyOS Robotics platform
Project by Alex Karadimos
A modular Robotic Surgery platform which is a more accessible and inexpensive tool to researchers, students and doctors.
- 1.4k
- 16

Five Finger Code Finder
Project by Carl Smith
A device to quickly crack PIN codes on Ford automobiles with a PIN entry keypad, and to demonstrate the shortcomings of this system.
- 2.1k
- 17

The Dipper - a tea brewing robot
Project by Kristjan Berce
Tea brewer with deadly punctuality
- 20
- 37

Grandma-proof face-controlled telepresence
Project by ciplionej
Project focused on enabling a caller to move the camera around whilst holding a video-conference call using only a phone
- 7
- 4

The dual laser clock
Project by Stefan
This clock uses two lasers that are mounted on two BYJ48 stepper motors to show the time. One laser shows the minutes the other the hour.
- 12
- 15

ramanPi - Raman Spectrometer
Project by fl@C@
The open source 3D Printable Raman Spectrometer using a RaspberryPi and easy to find off the shelf components..
- 2.6k
- 703

Oh my Darling(ton)
Log from Wearable Haptic Sensor
After the lack of success using constant current drivers, we continued to search for a driver that would be cost effective, off the shelf and easy to implement. The UNL2003AN is a common driver circuit used in small stepper motor drivers.Amazon.com:...

Geared steppers
Log from V plotter and pyrography machine
Ten geared stepper motors, with ten driver boards based on uln2003 chip, arrived this morning by mail. I tested some of them and they are really excellent little motors. Almost noiseless, a lot of torque, and the whole package for just $20! One of those...

Feather ULN2003 Stepper Wing
Details from Feather ULN2003 Stepper Wing
This Feather Wing was designed solely with through-hole components, which are easier to put together by hand for small runs. In the future I may make a version with SMD components as well for professional manufacture. I made this to control...

Connections to the Arduino
Instructions from Belgian Railway Station Clock
As you can see in the table on the notebook, solder the wires on the ULN2003 driver boards and connect them to the corresponding Arduino pins. The detector and the stepper motor, most below positioned, are for the seconds gear. The detector and the stepper...

Prototype Take 2
Log from Wearable Haptic Sensor
Given the success of using the ULN2003 circuit I designed a new version of the breakout board. Using two driver chips vs. my previous create my own 12 channel driver with discrete components is much easer, who would have thought.I'm going to send...

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