Add a remote buzzer to Smoke Alarms that are too far away be heard. Also add an optional Microcontroller interface e.g. Arduino. This document describes how to: Modify an escape-light type s... Read more
When it comes to building the battery packs, Li-ion cells are one of the best choices without the doubt. But if you get them from old laptop batteries then you might want to do a capacity te... Read more
The inspiration for this instructable is the DIY Digital Spirit Level found here by GreatScottLab. I liked this design, but wanted a bigger display with a more graphical interface. I also wa... Read more
So if you are like this Lazy Old Geek, you have a lot of rechargeable batteries lying around. I wrote another Instructable with some battery tips. http://www.instructables.com/id/Rechargeabl... Read more
What is a picoballoon and why would I want to build it?! I hear you ask. Let me explain. You all probably know what a HAB (High Altitude Balloon) is. It’s a bunch of weird el... Read more
I wanted to create a digital version of the Magic 8 Ball… The body of this is 3D printed and the display has been changed from an polyhedron in blue dye to a small OLED controlled by a... Read more
The project conducted as part of the Computational Design and Digital Fabrication seminar in the ITECH masters program. A Project by: ShuChuan Yao, Jeongwoo Jang, Zijie Tan Arduino Uno Servo... Read more
This project is about making portable luxmeter. It can be used in schools, where children can measure different kinds of light sources.Functions: 1. measure intensity of light in lux. 2. cal... Read more
The circuit presented here can automatically charge a 12V, 7Ah battery, or above. Special features of the charger are as follows. It automatically controls the charging current as per the st... Read more
(AllNewsStories Editorial):- Ahmedabad, Mar 5, 2019 (Issuewire.com) – The board we are talking about is a perfect solution for powering the 6V systems like Arduino and Raspi. The device will... Read more
AIR Mouse is also called gesture-controlled mouse and it works based on hand gesture. In this project an accelerometer is used for measuring the tilt of hand in X and Y direction and moves t... Read more