Content for ULN2003

7 Segment LED Based SPI Display using 74HC595

“Single Digit Big Display module using 74HC595 IC project will display large size 7 segment single digit number. 3.5inch height, which can be visible over large distance. More digit can be connected serially to each other easily trough connector …

An open source 3D Scanner made with Raspberry Pi

“By making use Raspberry Pi, we created an easy to build 3D scanner to be used for the acquisition of three-dimensional models via a video camera and a laser. 3D printing keeps on establishing itself, mostly thanks to the availability …

Star Track - Arduino Powered Star Pointer and Tracker

“Star track is an Arduino based, GoTo-mount inspired star tracking system. It can point and track any object in the sky(Celestial coordinates of the object as input) with 2 Arduinos, a gyro,RTC module,two low-cost stepper motors and …

Light Saber Igniter

“Home made Light Saber projects can consist of one bright led in the hilt or a row of LED’s in the shaft that all light up at the same time. To look a bit more authentic a sequential lighting …

EEG Neuro-Mood Light

“I have built EEG based bot, Automation, VR navigation, etc! This time i am building the EEG based mood light.”

Anti Missile Robot

“The very first time i think at what a robot does. that use a water rocket to be an anti missile blocking and raining the earth. and there is another anti missile robot on boarded the flying water rocket controlling …

Arduino Time Lapse Slider

“so i had been looking into making a timelapse video with my dslr and had seen many using a slider mechanism to add another dimension. I looked at buying one but they are a little expensive to buy just to …

CNC Robot Plotter

“This instructable describes a CNC controlled robot plotter. The robot comprises two stepping motors with a pen-lift mounted midway between the wheels. Rotating the wheels in opposite directions causes the robot to pivot about the pen-tip. Rotating the wheels in …

Project  Shonkbot

Shonkbot

“A supercheap Arduino-based 2-wheel robot for robot workshop purposes. A collaboration by various Bristol Hackspace members. Designed by Richard Sewell.”

EtchABot: A Versatile CNC Etch A Sketch

“The EtchABot uses an Arduino to turn an Etch A Sketch into a self-erasing CNC (Computer Numerical Control) drawing machine. It’s far from the first motorized Etch A Sketch on the internet. Other projects have used stepper motors to …