Year: 2016

An open source CO2 monitoring project from Roving Dynamics: The project described below uses a MH-Z16 or MH-Z19 CO2 sensor and a DHT-22 (or DHT-11 if less accuracy is required) to measure the Temperature and Humidity. It has a 4 line by 20 character LCD Display to show the current...

Lukas Fässler discuss about his anemometer project progress and what tests he has performed so far. In the mean time I managed to do some rudimentary testing and now feel confident to take orders. These tests concern the hardware only. What I said last time about the state of the...

Opto-Isolated I/O Board offers a compact & convenient way to interface industrial type inputs/outputs to your microcontroller boards, Signal transmission between circuits of different potentials and impedances etc. Specifications 4 opto-isolated inputs & 4 opto-isolated...

Intended for tasks such as monitoring IoT networks from a handheld device, Texas Instruments' latest series of microcontrollers are single-chip Sub-1 GHz plus Bluetooth low energy ICs. By Graham Prophet @ www.edn-europe.com As part of TI’s pin-to-pin and software...

waywardgeek @ github.com shares his USB TRNG: The Infinite Noise TRNG is a USB key hardware true random number generator. It uses what I call a "Modular Entropy Multiplier" architecture (previously Infinite Noise Multiplier or FireBug). Besides being simple, low-cost, and fast, it is...

Raymond Tunning shares the information he found about the new A20 modules bought from taobao. A20 Plus - WIFI/GPRS/GSM/CAMERA module -...

The Tiny Lisp Computer is a self-contained computer programmed in Lisp. Some programming examples are included in the author's website. This article describes a self-contained computer with its own display and keyboard, based on an ATmega328, that you can program in Lisp. You can use...

Here is a proposal for a new OSHW logo which uses release symbols to know exactly what the license covers. The KEYS used are: S = Schematic P = PCB F = Firmware and/or software M = Mechanical CAD files D = Design Documentation B = Bill Of Materials C = License used allows for...