A Function Pointer Based State Machine

Modified: 2 April, 2021

A step-by-step tutorial on building a function pointer based state machine.

March 2021 Updates

Modified: 31 March, 2021

Blog updates during March 2021.

MQTT Protocol

Modified: 30 March, 2021

History, brokers, clients, Mosquitto, Puho and more information about the MQTT communications protocol.

Dynamic Memory Allocation

Modified: 29 March, 2021

A beginners tutorial on memory allocation in C (malloc(), free(), e.t.c.) for embedded systems.

Analogue Filters

Modified: 25 March, 2021

A tutorial on analogue electronic filters, including low-pass/high-pass 1st order RC, LC and RLC filters and 2nd order RC, Sallen-Key filter topologies.

TOOLS

Digital Microscopes

Date Published:	May 18, 2020
Last Modified:	May 18, 2020

Overview

Digital microscopes are a great tool to have on an electronics workbench. Coupled with a screen, they allow you to look up close at a PCB without having to peer down the sights of a optical microscope.

Depth-of-field: The larger the depth of field, the less zooming you have to do to get different height components and tracks on your PCB into focus.