Microcontrollers

Microcontroller-related stuff. This category was called ‘Arduino’ but “Oh, so yesterday”. ‘Microcontrollers’ so much more inclusive, right?

LoRa 101: Getting JayCar/ Duinotech components XC4394 & XC4392 working

This entry is part 1 of 1 in the series LoRa

I have had a project in mind for a while for a remote sensor (in the sea!) but did not like the idea of having […]

ESPmDNS: An ESP32 secret (to me anyway)

This entry is part 3 of 5 in the series ESP32

ESPmDNS enables (Zeroconf/ Bonjour/) Multicast DNS on your ESP32 (and maybe ESP8266? don’t know) microcontroller. Previously I’d been assigning a static address to ESP32 devices […]

ESP32 meet Science Journal. Science Journal, meet ESP32

This entry is part 2 of 5 in the series ESP32

I’ve put together PlatformIO library for connecting ESP32 boards to the Arduino* Science Journal App via BLE (Android / iOS). In my case, the boards […]

I bought 10 ESP32 dev boards off AliExpress.

This entry is part 1 of 5 in the series ESP32

And now I need to work out what to do with them. Aliexpress link here. Why? I have been playing around with a board I […]

RobotDyn UNO+WiFi: SoftwareSerial

The RobotDyn board has some DIP switches on, which allow you to UART to either the ESP8266 or ATmega328p, so you can upload code to […]

RobotDyn UNO + ESP8266: AT Mode

This entry is part 2 of 2 in the series ESP8266

This post should probably have a sub-title: The penny drops After a short-lived feeling of victory in this previous post, I set upon trying to […]

RobotDyn UNO + ESP8266

This entry is part 1 of 2 in the series ESP8266

… oh, and USB-TTL CH340G which does the USB communicating with ESP8266. I think you otherwise need to wire something up using one of these […]

The pressure transducer I bought

Hey. This page is more than 2 years old! The content here is probably outdated, so bear that in mind. If this post is part […]

Android and Arduino Code for In-Car Screen

This entry is part 12 of 18 in the series Subaru Legacy

Hey. This page is more than 4 years old! The content here is probably outdated, so bear that in mind. If this post is part […]

Subaru In-Car Screen: Kenwood FGZ204F2 Wire Ports

This entry is part 10 of 18 in the series Subaru Legacy

Hey. This page is more than 4 years old! The content here is probably outdated, so bear that in mind. If this post is part […]

Subaru: New in-car display

This entry is part 1 of 18 in the series Subaru Legacy

Hey. This page is more than 4 years old! The content here is probably outdated, so bear that in mind. If this post is part […]

DIY CNC Router – Post 5: Electronics and Software

This entry is part 5 of 9 in the series DIY CNC Machine

Hey. This page is more than 5 years old! The content here is probably outdated, so bear that in mind. If this post is part […]

DIY CNC Router – Post 3

This entry is part 3 of 9 in the series DIY CNC Machine

Hey. This page is more than 5 years old! The content here is probably outdated, so bear that in mind. If this post is part […]

DIY CNC Router – Post 2. Hello AliExpress

This entry is part 2 of 9 in the series DIY CNC Machine

Hey. This page is more than 5 years old! The content here is probably outdated, so bear that in mind. If this post is part […]

WeatherBox

Hey. This page is more than 5 years old! The content here is probably outdated, so bear that in mind. If this post is part […]