RS485 communication is a widely used standard for serial communication in industrial and automation applications. In this tutorial, we will demonstrate how to establish RS485 communication between two Wemos D1 Mini boards. One board will act as the sender, and the other as the receiver. When a button is pressed on the sender board, it […]
RS485 Communication System with Esp8266 Read More »
In this tutorial, we will learn how to send a string from one ESP8266 to another using an RS485 serial communication module. The ESP8266 is a popular microcontroller board that can be used for various IoT projects, and RS485 is a robust communication protocol often used for longer-distance communication between devices. We will have a
String from an ESP8266 to Another via RS485 Read More »
We’ll develop a digital clock and timer using TM1637 Display and ESP8266. This will be a fun and interactive way of learning how a digital timer can be built using simple components and code. Let’s get started! It isn’t perfect, it is a mere experiment. Introduction To create this setup, we are using the ESP8266
Clock and Timer with TM1637 Display and ESP8266 Read More »
Building a real-time clock (RTC) using an ESP8266 and the NTPClient library is a common and useful project, as it allows you to keep accurate time in your IoT projects. The NTPClient library allows your ESP8266 to synchronize its time with Network Time Protocol (NTP) servers on the internet. Here’s a step-by-step guide
Real-Time Clock with an ESP8266 + TM1637 + NTPClient Read More »
In this blog post, we will explore and discuss the hardware Timers available for ESP8266 boards. The code utilizes the ESP8266 timers to handle interrupts efficiently and uses a library written by Khoi Hoang. Introduction to ESP8266 Timers The ESP8266 is a popular microcontroller with built-in WiFi capabilities, but it has limited hardware timers available.
Exploring the ESP8266 Hardware Timer – LED Read More »
The ESP8266 is a powerful and popular microcontroller often used in IoT and DIY projects. However, it has a limited number of GPIO pins, which can be a constraint when you need to interface with multiple input or output devices. In this tutorial, we will explore how to overcome this limitation by connecting a PCF8574
ESP8266: Connecting a Keypad via I2C with PCF8574 Read More »
ESP-NOW is a powerful communication protocol developed by Espressif that allows for direct communication between ESP devices without the need for Wi-Fi. This makes it an excellent choice for IoT applications where devices need to communicate directly without a central server or router. In this blog post, we will guide you through the process of
ESP-01 onboard LED from a Button in an ESP8266 via ESP-NOW Read More »
In this blog post, we will explore how to connect a TM1637 display module to an ESP8266 microcontroller and provide a detailed explanation of the code involved. The TM1637 is a popular 4-digit 7-segment LED display module, while the ESP8266 is a Wi-Fi capable microcontroller widely used in IoT projects. By connecting these two components,
Connecting a TM1637 to an ESP8266 Read More »
The HC-SR501 PIR (Passive Infrared) Sensor and the ESP8266 are crucial components in many DIY and home automation projects, primarily due to their versatility and ease of use. This blog post will walk you through the process of connecting the HC-SR501 PIR sensor to an ESP8266 without using Wi-Fi, along with a clear explanation of
Connecting HC-SR501 PIR Sensor to ESP8266 Read More »
The MAC (Media Access Control) address is a unique identifier assigned to network interfaces for communications on the physical network segment. In the world of IoT, it’s crucial to know the MAC address of your devices for various reasons, such as network troubleshooting, device identification, and secure communication. In this blog post, we will guide
How to Get the MAC Address of an ESP-01 Read More »
