Content for ULN2003

Automatic Pill or Medication Dispenser

“I created this pill or medication dispenser because my wife has to take several tablets in the morning and evening and was getting confused with which tablets she had taken and therefore not always taking the right medication at the …

Satellite Tracker W/ Green Laser Pointer

“This an adaptation of Alex Changs Satellite Tracker. This a portable version and can be used with either stand alone post or it can be mounted on a tripod. This version incorporates is a sturdier platform in order to support …

Door lock system with Arduino and RFID Module!

“Hey! This project shows how to make a door lock system, using Arduino, RFID Module, OLED Display and Stepper Motor. Hello! On this project, I’ll show how to make a door lock system using RFID module, stepper motor and …

3D Printed Timelapse/3D Scanning Turntable

“An affordable Arduino Turntable designed for Time lapse photography. Changing the gearing and code it can also be used for Photogrammetry/3D scanning or Video. The turntable operates on the move shoot move principle in the Timelapse and Photogrammetry modes …

Arduino Science Clock

“I have toyed with the idea of building a clock for sometime and my sister had a big birthday coming up so I decided that this was a great opportunity to build a clock for her as a gift. My …

Triangulum - 3D Printed 3-Hand Clock

“Hey! So this is a project I started April 8 2021, and since then, it has changed quite a bit. The basic idea was to make a clock shaped like a triangle. This morphed into a 3-hand clock with a …

DIY Arduino 3D Printed gear Clock

“In fact, it is not a very precise clock, but a visually interesting device. It consists of a set of gears powered by a small stepper motor. Today I will show you how to make a 3D Printed Arduino clock …

Wi-Fi Controlled Stepper Motor With an ESP Microcontroller

“I recently came across this video and decided to modify the project to control a stepper motor and add an OLED display. In this quick, little project, let’s learn how to control a stepper motor’s position from a …

3D Printed Holo Clock With Arduino

“This project is a 3D printed clock powered by a stepper motor and is controlled by an Arduino Uno. It was designed in OnShape over the course of a month. It keeps time very precisely and only needs to be …

Arduino M&M Color Sorter

“Are you tired of sorting your m&ms by hand? Looking for a silly way to spend your time and 3D printer filament? Then this is the Instructable for you. This is a project that I built for one of …