Category Archives: Technical

Frustrating Experience with ESP8266 and RF433

Posted on June 18, 2017 by larry

I for the life of me cannot figure out why the ESP8266 and the RF433 radio cannot work reliably together. I’ve tried different power sources and radios, I still need to try and power it from a direct 5V source … Continue reading →

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OpenHAB 2

Posted on June 17, 2017 by larry

I finally got around to working with OpenHAB 2, it was a bit of a disappointment. I think I am going to use it as UI (better looking than my HTML coding) and do the heavy background lifting with python. … Continue reading →

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Trying New Radio for 433Mhz

Posted on June 12, 2017 by larry

I am changing the radio type I am using to one of these Supposed to be better, it is called a RXB6 433Mhz Superheterodyne Wireless Receiver Module I have it on an UNO for now, how it gets better signal … Continue reading →

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Next Gen Messaging System

Posted on June 3, 2017 by larry

I got the next messaging system up and going. I am not sure on the BOM but I think each unit will come under $20 Probably the most expensive part is the Wemos D1 mini at $5.00 The 16×2 LCD … Continue reading →

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Gateway to 433Mhz Network

Posted on May 27, 2017 by larry

This project is coming together nicely.  The box I got for this project is perfect. I had to drill my own hole for the antenna but that was no biggie.  Internal looks great This gateway from the 433Mhz network to … Continue reading →

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IOT network

Posted on May 25, 2017 by larry

Now that the bathroom is done, I am working on the IOT network. Got a few things going, still a bunch of little things to go. It is actually proving to be more difficult than expected. Hopefully I can get … Continue reading →

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ESP8266 for LED strips

Posted on May 20, 2017 by larry

I was surprised but this came in the mail today I did a bit of research before I purchased it, I purchased it because it had an ESP8266 and was relatively mod friendly. The Serial ports are clearly labeled and … Continue reading →

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Setting Up IoT Network

Posted on May 18, 2017 by larry

I have been looking over my network to see if I can support the network if power goes off. I am also thinking about using a laptop with a battery and UPS to monitor things in case of a power … Continue reading →

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Mosfets Work

Posted on May 17, 2017 by larry

I am trying to switch 12v using my ESP8266.  The ESP8266 pushes only 3.3V so I had to use a transistor. I ordered some IRLZ44N and it seemed kind of weak. I knew I had a bunch of TIP120 and they … Continue reading →

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Cheap 12v to 5v DC Converter

Posted on May 16, 2017 by larry

I found these 5V chargers at Dollar Tree to work for me when powering an Wemos ESP82166.  Pretty easy to find and cheap.  Start with the USB part and remove that one screw.  Should be come apart pretty easily.  On … Continue reading →

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