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Category Archives: Arduino

DeskPomo to improve productivity at work

Posted on July 17, 2015 by R-B One comment

DeskPomo is a time managing machine implementing the Pomodoro Technique to break down your work duration into intervals of ~25 minutes length, separated by short breaks, to improve the productivity. The Pomodoro Technique is a time management method developed by Francesco Cirillo in the late 1980s. The technique uses a timer to break down work into intervals traditionally 25 minutes in length, separated by short breaks. These intervals are known as “pomodori”, the plural of the Italian word pomodoro for “tomato”. The method is based on the idea that frequent breaks can improve mental agility. —-copy from wikipedia. As a

Non-invasive power meter

Posted on July 11, 2015 by R-B One comment

Yonas Leguesse’s non-invasive power meter represents a much saver way of measuring electricity consumption without any direct wiring with the mains supply line. It uses a non-invasive current probe that is clamped around the mains power cable and a spark core module for periodic readings of the current sensor output and sending them to a webserver. Via [Hackaday]

Yet another home automation project

Posted on June 25, 2015 by R-B One comment

Saiyam’s bedroom automation box is a standalone and multi-feature home automation project using Arduino with a set of six sensors which can be used in combination with each other to control home appliances like fans, coolers, lightening systems, etc. You just need to connect your appliance to the power socket present on the box with a plug that makes connecting anything easily. The device asks you to set a mode which means, which sensor you want to use for controlling the output (see all the modes below). Further it asks you to threshold for the sensor you have chosen (like

Arduino enclosure with a human machine interface

Posted on June 23, 2015 by R-B Leave a comment

Mircea Daneliuc from Whitehorse, Canada has tipped us off about his Arduino Enclosure with a human machine interface (HMI) consisting of an LCD and six push switches. The enclosure is a 140mm X 90mm X 63mm (5.5′ ‘x 3.5” X 2.5”) industrial grade ABS plastic with ventilation and screw terminal slots. The HMI takes only 3 analog pins of Arduino. The keypad is a simple 6 button matrix keypad. It comes with a 2.54 mm pitch female Dupont connector. It has UP, DOWN, LEFT, RIGHT, ENTER and MENU buttons. These can help you navigate and change values for any menu you

Open source, modular bench power supply

Posted on June 13, 2015 by R-B One comment

Here’s a neat bench power supply design from a Hackaday user which offers very interesting features such as software calibration, programmatic control via USB Raw HID, etc at an affordable price. While this is still an ongoing project, the author defines his final goals of this project as: Modular power supply from 1 to 6 channels (I am planning on having 4: 3x positive, 1x negative) Each channel can independently be set from 0-12V (for positive channels) or -12-0V (for negative channels), and the output can go all the way to 0. Configurable set points for voltage and max current for

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