Category: Embedded Development

PSU 36V / 5V

I purchased this for < 12.- USD and tried it as a driver stage for DPS5020. It works fine. It is small and perfect for a 0-35V / 0-6A “bread & butter” lab PSU. The DPS5020 have a cut-off setting that I set to 6A. It cut’s the PSU if you by mistake allow more…

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DPS5020 Review 2

The interface on the UART is Modbus RTU. I managed to translate the document from Chinese to English yesterday, so it is uploaded on the download page. Running the top-side app was straight forward on Windows 10. I had a bit of issues with antivirus installing it, so had to switch that off. The graphs…

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PSU Driver

The diagram above show the minimum needed for any mains PSU. We need a On/Off switch and a fuse. This can be purchased as a single unit. The 2nd is the PSU itself that is available in numbers on the net in nice modules. A 12V/10A module cost < 10.- USD and they can be…

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Smart SPI Driver

I need a specialized SPI driver to support the Smart SPI concept. The block diagram above show the logical view with device to device communication, while the diagram below show the physical design. Just to remind everyone – in the logical concept we communicate device to device. In the physical this is done by a…

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Home Automation Central

I have already talked about using this module as key for a home automation central. I am going to look into a few extensions (or additional module). A normal wireless have a range on ca 100m, but dealing with home automation you could use 1Km range – solutions for that exist. Another change is the…

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STM32 with Visual Studio Code

Visual Studio Code is more an editor with debugger support than a full IDE, it takes a bit fiddling to set up and get right. Basically you don’t have any setup screens and have to edit your project in files with XML syntax. I am not sure if I will use this for everything, but…

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