Content for ULN2003

AAScan: Open source, minimalist, fully automated 3D scanner based on Arduino and Android!

“Introduction I’ve designed my own 3D scanner! So, what’s different between this and many other designs on Thingiverse? First, it is minimalist. It only include minimum features that keep it functional. For comparison, check out this beautiful design …

MesoTune - Magnetic MIDI Controller

“Are you a music composer, melodist, symphonist or a tunesmith who loves to create their own beats, but got bored with all those push button traditional MIDI Controllers. So, this hardware is for you, as in this instructable we switched …

Chiming Clock

“Clock that chimes on the hours, halves, quarters This clock has no display; it only chimes. It will chime on the hour and the count of the hour, or optionally the halves and quarters. The clock runs on an ESP8266 …

DIY Stepper Motor Clock with NXP LPC845-BRK

“This project is about building a stepper motor clock around the NXP LPC845-BRK board. The design is using a combination of 3D printed and laser cut parts and costs below $15. The GitHub repository (see links at the end …

SMS Based Home Automation Using GSM and Arduino

“Hello friends, This is Anto…Mobile phone is a revolutionary invention of the century. It was primarily designed for making and receiving calls & text messages, but it has become the whole world after the Smart phone comes into the picture …

SteamPunk Radio

“This project is without doubt the most complex I have undertaken, with sixteen IV-11 VFD tubes, two Arduino Mega cards, ten LED Neon light circuits, a servo, an electromagnet, two MAX6921AWI IC Chips, five DC power supplies, a HV …

Project  Clockwork

Clockwork

“As I try to brainstorm for an idea for this project, I decided to make something that is usable and be useful for my daily life. Not many things like that can have a two degree of freedom requirement so …

Solder Paste Dispensing Head

“This is a custom solder paste dispensing head that can be added on an existing CNC machine. The CNC machine, for which the dispensing head is currently developed, is a FABtotum multipurpose device (https://opentotum.github.io/fabtotum.com-backup/): CAD …

Automated Soldering Robotic Arm

“This instructable shows how to solder electronic parts in your PCB using Robotic Arm The Idea of this project came to my mind accidentally when I was searching for the different abilities of robotic arms, then I found that there …

Build a single-pixel scanning camera with an RGB sensor

“Sensors like the TCS34725 from Adafruit can detect a single color. It stands to reason then, that if you were to aim this sensor at a multitude of points and record the resulting data, you could have a one-pixel camera …