A DIY LCR Meter – Part 6
In this post I am going to explain some features of the device's firmware. Firmware The LCRH7…
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21. May 2026
A DIY LCR Meter – Part 5
Based on the ideas developed so far I built a prototype. …
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21. May 2026
A DIY LCR Meter – Part 4
In this part I am are going to take a dive into LCR measurement theory and finally derive formulas for computing measurement results and we will find a way to…
21. May 2026
A DIY LCR Meter – Part 3
In this part I am exploring a way to implement the filters for the lock-in amplifiers of the meter.Trying to design a low pass FIR filter with one of the…
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21. May 2026
A DIY LCR Meter – Part 2
I continue with the design of the LCR meter, draw a simplified schematic of the box and design the C-code for a DDS generator we can use for hardware and…
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21. May 2026
A DIY LCR Meter – Part 1
Is it possible to build an LCR meter without an FPGA or any fancy DACs, ADCs and DDS chips for signal generation, just using the analog capabilities of the MCU,…
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21. May 2026
A Programmable USB Hub – Part 3
Building the device …
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5. May 2026
A Programmable USB Hub – Part 2
Firmware - Remote Control …
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5. May 2026
A Programmable USB Hub – Part 1
Working as a software developer for the Test&Measurement industry I often needed to connect and disconnect various USB devices to and from a host system. There are USB-hubs on the…
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4. May 2026
A Programmable Decade Resistor – Part 8
Building the device. …
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29. April 2026