Embedded Microcontroller Projects

Exploring Hardware and Firmware

Latest Posts

A DIY LCR Meter – Take 2

The LCR meter I built and described in previous posts has some issues. In this post I’ll describe...

Firmware Update via USB

An easy way for a user to update a device’s firmware is via its USB interface. Here is how a device...

A Programmable Voltage Calibrator

When working on electronic circuits it is sometimes quite useful to be able to apply a precise...

A Programmable Decade Capacitor – Part 3

In this episode I am going to talk about building the box.                                  ...

A Programmable Decade Capacitor – Part 2

In this part we will look at how to calibrate the decade capacitor and also see some measurement...

A Programmable Decade Capacitor

This is a follow up project to my Programmable Decade Resistor project. This capacitor box can set...

A DIY LCR Meter – Part 7

In this post I am going to talk about revision 2 of the PCB and show some test results.          PCB...

A Simple SCPI Parser

Parsing SCPI commands is a rather involved task. Here I am showing how to perform two central steps:...

A Digital Pattern Generator – Part 3

As configuring the PLL is such an important part of the project I want to explain it in more detail...