The mains inverter we have for our solar system generates a lot of RF interference on our ham radio transceivers and also across the entire HF spectrum.
The inverter body has plastic ends and very little filtering for the mains output and also...
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The Raspberry Pi solar data logger project is now live and is the latest version of our previous data logging systems using Arduino and Android + IOIO board projects.
The data is used on a custom reporting website on home.briandorey.com and...
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To make it easier to connect the various cables to the new Raspberry Pi ADC board we decided to make a second PCB with header pins to connect to the ADC board and take these to screw terminals. Also we wanted to have a temperature controlled...
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The original plan for the Analog-to-Digital Converter was to use the Dallas 1-Wire system and use the DS2450 1-Wire Quad A/D Converter which was advertised as being a 16 bit device but after buying two of the chips which are around £5...
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The plan to use an Android phone and IOIO board to log the solar data has been abandoned after repeated failures of the IOIO boards to run for more than 24 hours without crashing or resetting. It maybe that I have purchased 2 faulty boards,...
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As part of the home solar PV and hot water project we are now using an IOIO board with an android tablet to process the sensor data and upload to our online reporting website. The code below is used to get the sensor data from the TSL2561 digital...
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As part of the home solar PV and hot water project we are now using an IOIO board with an android tablet to process the sensor data and upload to our online reporting website.
The code below is used to get the sensor data from the Microchip...
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After several problems with slate suppliers, the builder who is replacing the front roof was able to get nearly all the slates installed by yesterday and we then fitted the solar hot water panel frame and pipework onto the new roof. The panel...
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Following from Arduino based Solar PV and Hot water monitoring and logging posts the various hardware and parts of the software have been installed into the PV control cupboard and the new logging hardware and software is uploading data to one...
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Following from Arduino based Solar PV and Hot water monitoring and logging post the various hardware and parts of the software have been installed, built and written.
After two busy weekends working on the project the Arudino board is now sending...
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As part of the solar hot water system (view other blog posts) we have been installing onto our home we wanted to be able to keep track of the time the solar water pump is running. To monitor the pump we decided to use a simple mains power...
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As part of the solar hot water system (view other blog posts) we have been installing onto our home we wanted to be able to keep track of the mains electric being used by the house. Based on the open source OpenEnergyMontor website we developed...
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Next stage of the solar hot water install, fitting a new dual coil hot water cylinder.
The new cylinder was 150mm taller and 70mm wider than the old hot water cylinder which was installed before which required all the existing pipes to be moved...
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Following on from my post Arduino based Solar PV and Hot water monitoring and logging we have designed and created the new PCB (printed circuit boards) for the MCP9801 temperature sensors and also a PCB to hold a mains relay for switching the...
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