20 Results for "ULN2003"

#23 ESP8266 NTP NIXI Clock
Project by HT3H5796-14
test project
- 121
- 0

Tact-Tiles
Project by Anderson Antunes
A low-cost open-source scalable hardware platform for the development of interactive systems for deafblind people
- 64
- 27

3D Printed Hand-Following AI Task Light
Project by Harry Gao
An Arduino and Python powered task light that uses AI object detection to track and follow your hand.
- 19
- 18

Minimal Pico Vertical Plotter
Project by Andy Piper
Building and improving a Raspberry Pi Pico-based, wall-hanging vertical plotter.
- 8
- 5

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

Wiring Instructions
Instructions from Braille Printer
1. Plug the 28BYJ-48 Stepper Motors in to the ULN2003 stepper Drivers. one will be used to roll the paper along the y-axis and one will be for moving the 'print head along the x axis. 2. Connect the x axis driver to the arduino from its pins...

Experimental system
Log from Wearable Haptic Sensor
Drive problems After discovering that LED drivers are not the right solution for driving motors, I noticed that stepper motor driver boards use a ULN2003 motor driver chip. These are available on eBay for thin money, and I had a few lying around. The...

Assemble the clock mechanism
Instructions from Belgian Railway Station Clock
Start 3D printing the frame of the clock mechanism. You always need to print two of the frame parts. If you want to build a single sided clock, you only need to print one detector and one holder. Take the 28BYJ-48 5V stepper motors with the UNL2003 driver...

Program the Arduino Microcontroller
Instructions from Control a Stepper Motor with Your Finger!
Copy and paste any of the two codes in the Arduino IDE:Code for stepper motor control with homing function and no acceleration/deceleration feature:/* * Arduino code to control a stepper motor's postion using a PS/2 touchpad or mouse. * Made by Tech...

the Pump Station
Log from IoP water distribution
Develop once, deploy many? Peristaltic pumps shine in a few aspects: self-primingnumber of rotations correlates to transported volume = no imminent need for flow metering / gaugingself-sealing and normally-closed operation medium and pump are separatedno...

Updated...UniPolar Stepper Motor Controller Optimized
Log from DAV5 V3.01 Raman Spectrometer
Updated 6/26/17 1:58:PMI updated the code significantly, I added " lcd.setCursor(12, 2); lcd.print(i--);" to the lines of code that control the motor coils so the current shaft position can be seen on the LCD display, and incorporated a pin int sensorVal[]...

High-Viscosity 3D printer (1)
Details from High-Viscosity 3D printer (1)
INTRODUCTION TO HOW TO CUSTOMIZE CNC CONTROL SOFTWARE NAMED MACH3 TO CONTROL 3D PRINTER WHICH HAS LINEAR EXTRUDING MOTION written by Junghoon LEE South Korea written in March 2019 I. Introduction Generally 3D printer on the shelf is controlled by embedded...

Instructions:
Instructions from Laser XY Scanner
Step 1: Gather Your Components Laser XY Scanner - BOM I usually like to source my parts from DigiKey, but the low-cost options on Amazon are hard to beat sometimes. This list is just one of many sources for each component in the BOM. There are of...

STONE TOUCH SCREEN + ESP32 FOR MASSAGE CHAIR
Hacker page by 94754sakura
Brief Massage chair with modern mechanical technology to reproduce the traditional Chinese medicine meridian massage is an important daily health care equipment. The function of the massage chair is to integrate meridian massage of traditional Chinese...

Cat Feeder (Slot version)
Details from Cat Feeder (Slot version)
CatFeeder This project builds an automatic feeder for cats (or other small animals). The goal is build a complete, DIY solution, from the fabrication of the container, to software are electronics. The feeder is managed using a web interface, so you can...

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