Writing to an SD card with the ESP32
At a glance I bought an SD card reader module to use in another project, to track GPS data, but before adding it into that project, I wanted something simp...
Recent Posts
The StreamObserver often used with gRPC streaming, is not thread safe!
I’ve been working with gRPC recently, in particular we had a bi-directional streaming API, whereby once a streaming connection is established, both the clien...
Getting started with a TFT display on an ESP32
At a glance I bought a small TFT display from Temu to be used in a project, but I wanted to test it out first. The display is a 1.8” TFT with a resolution ...
Building a cheap door alarm with an ESP32 and AWS IoT
A few years ago I had a shed built on my property, well perhaps a barn is a better description. Whilst I live in a good area, I’m always concious of security...
How I passed the Confluent Certified Developer for Apache Kafka
After working with Kafka for about a year, I decided to take the Confluent Certified Developer for Apache Kafka exam as a way to help fill in any gaps in the...