Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

In this post we are reviewing the ESP-01 Wi-Fi Relay Module. It is one of the cheapest smart switches you can purchase currently for making smart home, internet of things, and other wireless do it ...

While the Arduino organisation has been making industrial single-board computers for a while, it has finally taken the plunge and produced a complete industrial product – and industrial controller ...

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...

A simple HTTP server on your MCU, designed to use in ESP-12F Wifi module, but it may work with antoher micropython MCU-s (e.g ESP32). There is an opportunity to run "server side script" to execute e.g ...

The trick with these boards is that the relay is controlled by sending a 4 byte binary code on the serial line 115200/8/n/1 from the ESP module (there is another non-reprogrammable MCU on the board ...

The smart IoT RGB lighting system makes your Christmas celebrations look awesome by radiating millions of colour combinations that are wirelessly controlled We are now in Christmas week and many of ...

With the advent of the intelligent age of electronic information and the continuous improvement of application management, electronic information technology has penetrated into the fields of industry, ...

ESP series modules are Wi-Fi modules and are popular in IoT projects. However, there are some confusions between ESP modules due to lack of information on the modules. One of the main differences ...