Welcome to Part 3 of this build. If you are new to this series, Part1 and Part2 can be found by clicking on the respective… Read More »Design and build an ESP8266 IoT Controller, Part 3
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
Today I will continue my series on I2C by showing you how to use multiple devices on the I2C bus. This will be an extremely… Read More »Multiple I2C Devices on the same Bus, I2C Part 3
In our last post, we started looking at the workings of the I2C protocol. In case you missed that, you can read about that here.… Read More »I2C between Maker Nano and Kid-Bright32 (Esp32)
We are living in an industrial age, electronics components are easily available. They are dirt cheap. I would like to share a few pages from… Read More »A glance back in History – Manufacturing your own transistors – At home!
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
In part one of this series, I showed you how to construct the basic logic gates using transistors and a few resistors. Today I will… Read More »Useful Circuits using NAND Gates – Logic Gates Part 2