Tackle this coding challenge: Getting a MAX30102 module to display on a SSD1306 I2C OLED using a RP2040 chip based module. I usually make videos about how to use a sensor or module board with a microcontroller and typically I do this in advance, learn to use it, create a Read more
One unified PCB and code examples for your DHT-11, DHT-22, BMP280 and DS18B20 temperature sensors. The goal of this article is to help you take your first steps into the world of temperature sensing – there are so many options for sensors, boards, and displays that it can easily lead Read more
The perfect solution to keep on your desk full-time to check the I2C address of devices with dubious origins, with lack of documentation or of devices that have a programmable address. Features: What you will need: Here is what you will need to get up and running with your very Read more
I have designed a simple circuit and wrote a simple sketch so that you can test your standard RC servos and center them for attaching the control horn – and the whole thing likely uses parts you already have in your electronics bin! Here are the parts you will need: Read more
What is a DRV8833? The DRV8833 is an inexpensive chip used to drive either a pair of brushed motors or a single 4-wire stepper motor. It is the focus of this article because it is available on sites such as Aliexpress, EBay and Amazon on a small, breadboard (and therefore Read more
Ever wonder what potential lurks inside that USB Type-C charger? Look no further, with just one cheap module and a few dipswitches, you can turn that charger into a capable little power supply! Most high-power USB Type-C chargers are capable of providing 5V, 9V, 12V, 15V and 20V – which Read more
This article will cover the very basics of using a multimeter safely – there is no way a short article like this one could ever cover every single situation but I am confident that I can guide you some key concepts to get you on your way! Quick anatomy of Read more
Here is a cool project I have always dreamed of doing; building a raft completely powered by the sun, big enough to camp on and to take it on a journey down Canada’s historic Rideau Canal. Does this concept seem a little familiar? Perhaps you caught YouTuber Steve Wallis doing Read more