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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A DIY LCR Meter – Part 5

Based on the ideas developed so far I built a prototype.                                       …

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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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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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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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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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