Latest Posts

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  ESP32 and PZEM-004T: How to retrieve multiple PZEM-004T readings using Arduino?
  by donsky
  March 31, 2025
  Introduction Nowadays, electricity power rates are going higher and higher so keeping track of your consumption is not a bad idea to undertake. In this post, I will show you how you can use your ESP32 microcontroller to retrieve AC load parameters using the PZEM-004T module using the Arduino framework. Voltage, current, power, etc for… Read more: ESP32 and PZEM-004T: How to retrieve multiple PZEM-004T readings using Arduino?
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  Exploring Node-Red, Dashboard 2.0, and MQTT
  by donsky
  March 1, 2024
  Introduction Do you want to control your Arduino electronic circuits using a Web Application but you are not familiar with HTML/CSS/Javascript? Enter Node-Red and the newly released Node-Red Dashboard 2.0. By using this low-code platform, beginners can create Internet of Things (IoT) applications for their projects by just dragging, connecting nodes, and configuring their properties.… Read more: Exploring Node-Red, Dashboard 2.0, and MQTT
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  Controlling your Arduino Projects through Serial Communication
  by donsky
  February 25, 2024
  Introduction Serial communication is the process of sending messages between a sender and a receiver one bit at a time. Most of the commercially available microcontroller supports this protocol out of the box. In this post, I am going to share with you how you could take advantage of this protocol to control your Arduino… Read more: Controlling your Arduino Projects through Serial Communication
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  Using ESP32 SoftwareSerial in your Arduino Projects
  by donsky
  December 30, 2023
  Introduction If you have worked with the Arduino Uno R3 board, I am sure that you have used SoftwareSerial library in your projects. The board itself only contains a single hardware Universal asynchronous receiver-transmitter (UART) port in Digital Pins 0 (RX) and 1 (TX). If you have multiple sensors that use Serial communication then you… Read more: Using ESP32 SoftwareSerial in your Arduino Projects
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  Integrating ESP-NOW with MicroPython and WiFi
  by donsky
  September 19, 2023
  Learn how to use Wi-Fi, MicroPython, and ESP-NOW to accomplish seamless communication. Expand your IoT capabilities by learning more about the potential of asynchronous data transmission.