Using the MCP23017 to increase your GPIO’s
Today I will show you another useful IO Expander chip, The MCP23017. This chip, although similar to the PCF8475, which I have already covered in… Read More »Using the MCP23017 to increase your GPIO’s
STM32F103C8T6 “Blue Pill”
SPI between Maker Nano ( Arduino Nano Clone ) and STM32 “Blue Pill” – Part 2
Sometimes it is necessary to send data between two microprocessors.The SPI bus is a very fast serial data-bus that is normally used to interface with… Read More »SPI between Maker Nano ( Arduino Nano Clone ) and STM32 “Blue Pill” – Part 2
What is SPI? Serial Peripheral Interface – Part 1
Introduction The Serial Peripheral Interface is a synchronous serial communication interface for short-distance communication, it is typically used in embedded systems. The interface was developed… Read More »What is SPI? Serial Peripheral Interface – Part 1
The OLED Display
Introduction Adding a display to any project can instantly increase its visual appeal, as well as make the project easier to control. Displays available to… Read More »The OLED Display
What exactly is I2C?
In this post, I will tell you all the basics of the I2C protocol. What it is, where it comes from and also how it… Read More »What exactly is I2C?
Extending Arduino/Esp32/STM32 GPIO Pins – PART 2
In the first part of this series, I showed you how to extend the available output pins on your microprocessor by using a SIPO (Serial… Read More »Extending Arduino/Esp32/STM32 GPIO Pins – PART 2
Extending the Inputs and Outputs of your Arduino/ESP32/STM32
There will come a time that you will run out of available input or output pins on your Arduino/ESP32 or STM32 device. Today, I will… Read More »Extending the Inputs and Outputs of your Arduino/ESP32/STM32
Using MQTT with IoT Devices – A Short Summary
You are excited, you have just finished your new IoT device, and have many excellent ideas on how you will use it remotely, on your… Read More »Using MQTT with IoT Devices – A Short Summary
Previous Posts
A short list of previous posts available on the old website Arduino and STM32 “Blue Pill” Arduino with LCD Arduino with HC-SR04 Ultrasonic Sensor Arduino… Read More »Previous Posts