/Tag: Arduino

April 2017

February 2016

Build (TTN) LoRaWan Node

By |2016-10-30T21:20:15+00:00February 25th, 2016|Arduino, LoRa|

Many people want to build a node to test their own TTN (The Things Network) gateway and build new use cases. It's not that hard to build a node when you know which components to buy. With this post I've collected some information which might save you time in getting the things together. Building a [...]

January 2016

RF 433Mhz to MQTT Gateway

By |2016-10-30T21:20:15+00:00January 2nd, 2016|Arduino, Tech, Uncategorized|

I've upgraded my domotica setup with a Philips Hue. Before I switched the lights using a remote control or via Node-Red and using the cheap 433 Mhz wall outlet switches of Elro, Klik Aan/Klik Uit, Action, and so on. Since the install of the Hue I was missing the remote control to easily switch the [...]

April 2013

Arduino DIY – Software updates

By |2016-10-30T21:20:16+00:00April 2nd, 2013|Arduino, Tech, Uncategorized|

At the moment I'm still working to improve the DomoticaBox, SensorBox, Wireless LCD Display software. Once I have a new complete matching set that is suitable for download, I will update the links on this site again. Some improvements are: Watchdog to auto reset in case of lockups Use EEPROM for storing Open.Sen.Se feedID's for [...]

February 2013

RTC timesync to Arduino

By |2016-10-30T21:20:16+00:00February 18th, 2013|Arduino, Tech, Uncategorized|

I've added some new code to the wireless LCD Display and my Raspberry PI to set the time on the wireless LCD display correctly and regularly. The wireless LCD Display has a DS1307 RTC connected but it is not the most accurate so time will shift after a while. The Arduino time library has an [...]

January 2013

Sensor Box

By |2013-01-24T07:21:18+00:00January 24th, 2013|Gadgets, Lifehacking, Tech, Uncategorized|

I’ve been working on replacing the 433Mhz cheap transmitters (send only) by the RFM12b 868 Mhz Transceivers (send & receive) by using the RF12 library from jeelib. Things are working now, but it’s quite a bunch of work to convert all devices ;-). Also I’m very happy with the Attiny84 microcontrollers which allow some low [...]

December 2012

Phone notifying doorbell with Pushingbox

By |2016-10-30T21:20:16+00:00December 9th, 2012|Gadgets, Tech, Uncategorized|

The sound of our regular doorbell isn’t heard everywhere in the house. Also, sometimes you know that somebody has been at the door but you don’t know who. I found the article below in which especially took my interest. Pushingbox is an online service which you can trigger from an Arduino microcontroller very easy. [...]

Energy monitoring with Arduino

By |2016-10-30T21:20:16+00:00December 1st, 2012|Gadgets, Lifehacking, Tech|

Since we've bought a bunch of solar panels on our roof, I'm building an electricity monitoring device based on the Arduino microcontroller. It's running for a while, monitoring solar power generation but now it can also read the Smart energy Meter which we got from the energy company.  So currently it reads and/or calculates the [...]

September 2012

Solar panels installed

By |2016-10-30T21:20:16+00:00September 23rd, 2012|Gadgets, Tech, Uncategorized|

Since september 20th we are the proud owners of 13 solar cells on our roof with a maximum peak of 3120 watts. This should be sufficient to cover at least 50% of our electricity consumption. The panels 'look' towards East-South-East. For who is interested, the brand of the panels is Komaes 240 Wp. The invertor [...]

December 2010

Waterdrop Device Ready

By |2016-10-30T21:20:20+00:00December 11th, 2010|Alexander, Photography and Movie, Tech, Waterdrop|

After some experiments with waterdrop photography, I started to build a microcontroller controlled waterdrop device. It took 1,5 month in programming, building some electronics and also a lot of waiting for the airmail to deliver several parts.  Yesterday it was the moment that all parts were connected, the watertank was filled and the first photocycle was [...]