The ESP8266 module-based Node-MCU acts as a bridge to connect industrial equipment to the Internet and enables smooth communication. Blynk enhanced this infrastructure by providing a user-friendly ...

This is a port from the ESP32 repository to a ESP8266 D1 Mini which is smaller than the ESP32 Node MCU. Caution: This is the updated version 1.2 with changed I/O pin definitions! The PCB is also ...

HackBat is an open-source hardware pen-testing device designed for hackers and makers and equipped with a Raspberry Pi RP2040 microcontroller, an ESP8266 WiFi module, a sub-GHz RF transceiver, NFC, an ...

This process, often considered the “hello world” of IoT applications, enables users to control relays, monitor digital inputs, and visualize real-time and historical data. Raspberry Pi GPIO ...

Here, we are using a 4 relay module because we will only control four appliances. If you want to automate a different number of appliances, you can use a different relay module. There are many relay ...

A single-channel relay is an electronic switch that can be controlled by a low-power electrical signal, such as the output from an Arduino microcontroller. By using an Arduino Uno and a single-channel ...

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 ...

Sfera Labs has extended its widely-deployed family of Exo Sense Raspberry Pi-based technologies with the launch of Exo Sense RP, a small form factor, low-power edge-computing multi-sensor module built ...