Using an Arduino Nano 33 IoT, Jithin Sanal designed a home monitoring system capable of detecting noxious gases with an MQ2 sensor as well as sensing temperature, pressure, humidity, and ambient light via a BME280 sensor and an LDR. All of this is mounted onto a custom PCB that’s powered by a 9V battery, or one could also use a 9-12V adapter if more convenient.
Open Space Agency releases under open licensing the first DIY robot telescope – or ARO – Automated Robotic Observatory, that would allow amateur astronomers to contribute to citizen science projects for a radically reduced cost. We’re still refining the performance of our first EXPLORER SERIES ULTRASCOPE – a 3.5 Inch mirror ARO that is able…
The project consists of an automatic transistor tester, which allows you to identify the pinout and characteristics of various discrete semiconductors (NPN, PNP, MOSFET transistors, etc.). It is also capable of measuring resistors, capacitors, inductances and diodes. The original project was written in a mix of C and AVR Assembly Code; this instead uses an…
While we can track cycling, running/walking with fitbit, some of the basic exercise such as push ups are still relatively hard to track. In this article, we are building a prototype of push up counter using kemet pyroelectric sensor and Arduino. More info Build it yourself Boards, sensors and kits for projects like this one….
Glimo is a beautifully crafted and super creative open source handheld camera stabilizer that works with any DSLR / COMPACT / P&S and consumer camcorders on the market, developed by Arthur Siau,a French designerand hacker. Improve your films using opensource camera tools Being a product designer, I often have to explain ideas and concepts using scenarios….
Olea Sensor Networks makes a variety of sensors and sensor boards for healthcare, industrial safety, and in-vehicle use. It released its OS-3010 wireless healthcare sensor board earlier this year for Windows and has now updated it to support Linux and Android platforms, with a Raspbian version of its OleaSense software designed to work on the…
Let us start by describing the device’s electric scheme in its entirety, that is, along with all its components; we should also state in advance that the module we call GSM is, in reality, the small board hosting the cell phone, so the pin numbers refer to the contacts of the pin-strips that have been…
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