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JeeLabs: Shedding weight
I’ve been on a weight loss diet lately. In more ways than one…As an old fan of the Minimal Mac weblog (now extinct), I’ve always been intrigued by simplification. Fewer applications, a less cluttered...
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JeeLabs: Getting back in the groove
This will be the last post in “summer mode”. Next week, I’ll start posting again with articles that will end up in the Jee Book, as before – i.e. trying to create a coherent story again.The first step...
View ArticleFairTradeElectronics: How To Take Care Of Your Parrot
Parrots are birds that are kept by many people as pets. These birds are known to have impressed human beings for many centuries. Parrots were kept by many ancient people starting from kings, warlords,...
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JeeLabs: Meet the Tinker Pico (again)
It’s time to get some new hardware out the door, which I’ve been doodling with here at JeeLabs for quite some time, and which some of you might like to tinker with as well.The first new board is the...
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mharizanov: The initial setup problem
The typical end-user of your IoT products wants them up and running fast with minimum hassle once they bring them home. They don’t want to be presented with initial configuration mechanisms/options...
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JeeLabs: Arduino IDE w/ LPC824
What will it take to support the LPC824 µC, i.e. the Tinker Pico, from the Arduino IDE?As the Arduino IDE has been evolving and growing over the years, more and more µC platforms have been added – both...
View Articlemharizanov: Local hostname for connected devices
Now that we have connected our project to the local network, we are immediately faced with another challenge: how can we reach it? Using WPS/SmartConfig means we force the unit into DHCP settings mode,...
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JeeLabs: IDE w/ LPC824, part 2
Let’s get that upload going. Remember, this is about adding a “hardware platform” to the Arduino IDE so it can compile and upload files to a Tinker Pico, based on the LPC824 µC.There are two parts to...
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Nathan Chantrell.net: Wireless Sensor Battery Life 3+ Years On
I last blogged about this in December 2013 when the second version of my ATmega328 & DS18B20 based temperature sensor, installed on 29 December 2011, had just reached the 2 year mark on the...
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Nathan Chantrell.net: Letterbox Notifications
You’ve got mail!This was a quick project to add notifications for when I get real physical mail. This is something I’ve had on my mind since I made my first SMS doorbell notification system back in...
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Nathan Chantrell.net: Switching Voice Notifications To Ivona
I had long used the unofficial Google speech API for voice notifications (TTS) as it has a very good, clear voice, much better than Festival which I had used previously. However late one night a couple...
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Nathan Chantrell.net: Sending incoming call info to MQTT
I’ve used Asterisk at home since around 2004, originally using a clone of a Digium FXO card and later a Sipura SPA-3000 (later owned and branded by Linksys) to interface to my landline. When that...
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Nathan Chantrell.net: Lenny, The bot that fools telesales callers
I mentioned in the last post that I send all but a select few callers on my landline straight to voicemail but that’s actually no longer true. Thanks to a casual comment by @ichilton on Twitter I’ve...
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Nathan Chantrell.net: 3D Printed Cases For TinyTX and Tiny328
3D printed case ith TinyTX3 and Tadiran 3.6V AA battery.Another post I’ve been meaning to write for a long time. I finally got my Rigidbot 3D printer in August 2014 some 9 months later than the...
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JeeLabs: Making a sharp turn
During my tinkering over the past two weeks, I hit a snag while trying to hook up the LPC824 µC to the Arduino IDE. Nothing spectacular or insurmountable, but still…This week, I have two articles for...
View ArticleFairTradeElectronics: How Hair Dryers Work to Fix Your Hair Problems
Not many people will take some time to learn how some the things that they use everyday work. For example, only few women would actually devote even just a little of their precious time to know how a...
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JeeLabs: The world of STM32
As announced last week, I’ll be switching (pouring?) my efforts into a new series of µC’s for a while, so there’s quite a bit of work ahead to get going, and I really don’t want to dwell too much on...
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mharizanov: RFM69 to MQTT gateway using ESP8266
I’ve mentioned my plans for this project during the IoT hangout session few months ago, it has finally materialized as working prototype. The blocker so far was the lack of ESP8266 RFM69 driver and...
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JeeLabs: Talking to an STM32
When dealing with ARM µCs and boards based on them, there’s always one big elephant in the room: how to upload software to them, and how to talk to them via serial or USB.The available options,...
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mharizanov: Spectrum analysis with RFM12B
The comments to my last blog post got me thinking if I had chosen the right RFM channel at home, obviously if the channel is noisy that directly affects reception and increases the error rates. I use...
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