Reading NMEA data with the NEO-6M GPS module and ESP32
At a glance I’m building a GPS tracker for a project, and I wanted to get familiar with this NEO module before I add it to several other components, so I d...
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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...
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...