This is a quick guide showing how to install Node-RED on a Raspberry Pi. We tested this installation on Raspberry Pi OS (32-bit) and Raspberry Pi OS (64-bit). Prerequisites Before …
This guide shows how to install InfluxDB 2 on Raspberry Pi. InfluxDB is an open-source time-series database (TSDB). So, it is ideal to store sensor data with timestamps over a …
Learn how to use WiFiMulti with the ESP32. It allows you to register multiple networks (SSID/password combinations). The ESP32 will connect to the Wi-Fi network with the strongest signal (RSSI). …
In this guide, you’ll learn how to create a digital scale with the Arduino using a load cell and the HX711 amplifier. First, you’ll learn how to wire the load …
In this tutorial, you’ll learn how to create a scale with the ESP8266 NodeMCU using a load cell and the HX711 amplifier. First, you’ll learn how to wire the load …
In this guide, you’ll learn how to create a scale with the ESP32 using a load cell and the HX711 amplifier. First, you’ll learn how to wire the load cell …
The ESP32 contains a Serial Peripheral Interface Flash File System (SPIFFS). SPIFFS is a lightweight filesystem created for microcontrollers with a flash chip, which is connected by SPI bus, like …
In this tutorial, you’ll learn how to install the ESP8266 LittleFS Filesystem Uploader Plugin in your Arduino IDE to upload files to the ESP8266 NodeMCU filesystem. If you want to …
In this guide, you’ll learn how to use a TDS meter (Total Dissolved Solids) with an Arduino board. A TDS meter indicates the total dissolved solids like salts, minerals, and …
In this guide, you’ll learn how to use a TDS meter (Total Dissolved Solids) with an ESP8266 NodeMCU board. A TDS meter indicates the total dissolved solids like salts, minerals, …
In this guide, you’ll learn how to use a TDS meter (Total Dissolved Solids) with the ESP32. A TDS meter indicates the total dissolved solids like salts, minerals, and metals, …
In this project, we’ll show you an example of how you can do OTA (over-the-air) updates to your ESP32/ESP8266 boards running MicroPython code via a PHP server. In summary, you’ll …
In this guide, you’ll learn how to read temperature using a K-Type Thermocouple with the MAX6675 amplifier with the Arduino board. A K-type thermocouple is a type of temperature sensor …
In this guide, you’ll learn how to read temperature using a K-Type Thermocouple with the MAX6675 amplifier with the ESP8266 NodeMCU board. A K-type thermocouple is a type of temperature …