Use Visual Studio Code for Arduino

VSCode has an Arduino plugin available in preview. Use it. Put your Arduino desktop application in cold-storage. Comparing the two is like comparing a beaver with a 2 ton backhoe.

The Best LoRa Settings for Range and Reliability

How to Program an ESP32 in Arduino while using ESP-IDF functions

Testing LoRa Antennas at 915MHz

I’ve been working on LoRa systems and really wanted to find a ‘best of breed’ antenna to use. So, I found an inexpensive but accurate antenna tester and rounded up a bunch of antennas.

How to Build a Hot Plate Reflow Oven

I’ve been building surface mount circuit boards by hand with a hot air gun. It is slow…

A Non-blocking Wait for Event or Timeout in C#

We often want to wait for an Event in a thread while letting other stuff proceed. Or … delay a method in the UI thread while letting stuff update.

Reading Analog Data in Zephyr with a nrf52840

It turned out to be much harder to read the ADC in Zephyr than I expected. As…

Using a PWM Device in Zephyr

Using devices in Zephyr is tricky because there are so many options and settings at first that it’s just not clear from documentation and samples how to do even easy things.

Testing Antennas with the LimeSDR Mini

I recently bought a LimeSDR Mini to test antennas and those little transceivers. As usual there are some startup hurdles so I thought I’d document my voyage to turning it into an antenna analyzer.