Inspired by Yoshii Kazuya’s laser-spiked outfit, github user abetusk decided to create an excellent version of the getup by embedding 128 laser diodes in his own jacket. These lasers are powered by an Arduino Nano, along with a pair of I2C PWM output boards, allowing them to be switched in sets of four. The lasers…
Developer and enthusiast Adrian Rosebrock published his Raspberry Pi project a few weeks ago, providing full instructions and all the code required to build your very own Raspberry Pi security camera using OpenCV and computer vision. Adrian’s camera is an IoT project: it not only captures footage but also uses Twillo to send that footage,…
The maker James Bruton created a 3d-printed gripper with a three-finger design and three servo motors controlled by and Arduino Uno sbc. The design is ideal for gripping a variety roundish parts, and is held open by default with bungee cords attached to the outside like tendons. When you need it to grip something, a…
“If you are a Pi-addict like me, I’m sure you were extremely happy like I was, when was announced few months ago, the official Raspberry Pi TV HAT. At the same time, my ISP announced a new upcoming setup box, meaning that I had to initiate the “retrieval” of all TV recordings out of my…
Created by Mr Innovative, this Arduino based mini radar is capable of detecting objects placed in its line of sight. The 3D-printed console features a small SG90 servo to pan the sensor over a space, picking up obstacles in its path. The readings are then transmitted to an Arduino Nano, which displays object info on a…
Aptly named TWIST the open source environmental monitoring system is capable of sending tweets and collecting meteorological data thanks to its include gas, rain, light, temperature and humidity sensors. “Meet Tweeting Weather IoT Station aka TWIST – a DIY, Open-Source Environmental Monitoring and Meteorological Data Acquisition Platform. The purpose of TWIST is so that individuals…
If you wear a self-winding watch, I’m sure you’re aware that watch winders are generally very expensive, or cheap and noisy. So Kristopher Marciniak decided to hack an inexpensive winder replacing the stock motor with a stepper, and using an Arduino along with a Trinamic SilentStepStick driver for silent and well-controlled movement. “What I really…
Professor Anil K. Jain leads a biometrics research group and guiding students Joshua J. Engelsma and Kai Cao has assisted in the creation of a secure fingerprint reader with improved spoof-print detection. RaspiReader is a low-cost open source fingerprint reader, made of a Raspberry Pi 3 and two Raspberry Pi camera modules together with custom…
Created by Tucker Shannon, the single pixel scanning camera uses a pair of stepper motors which directs the RGB color sensor (Adafruit TCS3472) in a square spiral for image acquisition: all powered by an Arduino Uno SBC. If you are interested in building your very own Arduino powered single pixel scanning camera, all you need is: Arduino…
Instructables user Sieuwe Elferink has just created a semi-autonomous kids’ four-wheeler. The Arduino powered Quad can steer itself within a set of lines, and stop for pedestrians and inanimate objects. For this project you will need the following materials: 3x TCRT5000 line sensor 1x HC-SR04 ultrasonic sensor 4x 5V relay 1x Windshield wiper motor 1x Arduino 2x tooth…
Electronic technician and Raspberry Pi enthusiast Pierre Muth has unveiled a new Raspberry Pi Polaroid camera he has created in the form of the PolaPi-Zero, which uses a thermal printer to provide instant hardcopies of your photographs. The project uses a Raspberry Pi zero equipped with a Pi Camera Module, a 7.2V battery with voltage regulator,…
If you have to duplicate many SD cards for example to boot Raspbian on multiple Raspberry Pi board but you want to save money, probably you’d better build a SD card duplicator by yourself. This is exactly what Bob Brown, a retired senior lecturer, have done. You’ll first need some hardware, including a powered USB hub…
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