Leo's Blog

This is my blog. You will find my various geeky posts here.

YouTube Project Series Video 03 - Plant Water Reminder Device

My third YouTube video! This video is about my plant water reminder device. It is a box that has a moisture sensor attached that reads the moisture value of a plants soil. It then sends notifications to a phone if the moisture...

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YouTube Project Series Video 02 - MadMachine SwiftIO Showcase

My second YouTube video! As I planned, making a (roughly) monthly YouTube video about an electronics project or similar thing. In the second video, it is not a project but more of a showcase of the MadMachine SwiftIO developme...

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YouTube Project Series Video 01 - Automatic Night Light

I've made my first proper YouTube video! I'm making a series, where a make one video per month about a small, easy and affordable electronics project.

Night Light


The first video of the series is about an automatic night light...

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SPI OLED Display for STM32

be sure to read the important note!

After a while of it not working, I managed to get the Adafruit SPI OLED display to work, controlled by a STM32 microcontroller.

SPI is another bus interface that microcontrollers use to talk to peripherals. It is like I2C, but it...

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