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Home-Made Biomass Gasifier

Posted March 26, 2015 by Chris

"So what is A biomass gasifier? Basically is a chemical reactor that converts wood, or other biomass substances, into a combustible gas that can be burned for heating, cooking, or for running an internal combustion engine. This is achieved by partially combusting the biomass in the reactor, and using the heat generated to pyrolyse or thermally break down the rest of the material into volatile gasses."

Infrared Transmitter Project

Posted March 25, 2015 by Chris

"In robotics, infrared is commonly used both in communication and in object detection….By blinking an infrared LED, the signal becomes more unique and therefore more discernible from other light sources. Even as intensity varies based on lighting, angle and distance, the constant rate of blinking can be relied upon for recognition."

Double Helix Jacob’s Ladder

Posted March 24, 2015 by Chris

"This week I built a Jacob’s Ladder in a double helix shape! It only takes a neon sign transformer, a block of wood, and some copper tubing."

LED Wristwatch PCB

Posted March 22, 2015 by Chris

"Sure, this doesn’t use a vacuum tube, but it’s still a neat way to reuse some old-fashioned 7-segment LED displays. OK, so I can’t wear it yet. It still needs a case and watch band.The LED displays are quite tiny and would have been used for calculators or similar devices back in the day."

Making a simple clap switch

Posted March 21, 2015 by Chris

"A clap switch is a fun project for beginners. It switches on and off electrical appliances with a sound of clapping hands. Today we will discuss about making a simple clap switch that operates when it detects two clapping sounds in a row. It uses an electret microphone as a transducer for converting a clapping sound into an electrical signal. The microcphone output is amplified by a transistor and is then sent to the PIC12F683 microcontroller which performs an ON/OFF switching action when valid claps are detected."

DIY Integrated Wireless Thermostat

Posted March 20, 2015 by Chris

"All projects start with an idea. It could stem from a need, a want, a proof of concept or a challenge. In my case, it was a conversation with one of my uncles. He told me about how, during his post-secondary studies, he had the idea to make a thermostat for his final project….I decided I would engineer his original ideal, while incorporating today’s advancements in technology and adding wireless communication with a PC."

Alphanumeric Optical Endec Transceiver

Posted March 18, 2015 by Chris

"Our goal in this project was to build a pair of high-speed transceivers that could encode and decode optical signals modulated using Morse code conventions."

Cooking Assistant for Automatic Temperature Control

Posted March 16, 2015 by Chris

"In some cooking scenarios, it is desirable to achieve a specific object temperature and keep the object at that temperature. However, it is difficult to maintain a constant temperature without constant attention. To aid cooking in this scenario, we created a device that can be added to an electric stovetop or hot plate and serve as an automated assistant."

Raspberry Pi digital TV transmitter

Posted March 15, 2015 by Chris

" Some extra hardware and software changes the Raspberry Pi into a DVB-S digital TV transmitter. The code and diagrams are released under the GPL license. This project would not have been possible without the pioneering done by Jean-François Fourcadier, F4DAY."

Solid State Tesla Coil 1

Posted March 14, 2015 by Chris

"While the initial goal of this project was to learn about the basic workings of a SSTC before embarking on a DRSSTC, SSTC 1 performed spectacularly and can be modulated via fiber-optic in a variety of ways, from producing sword-like spiral sparks to playing music via an analog stereo input! "