Let’s get started with how to build a smart Water Quality Monitoring System using TDS sensor and ESP32 or Arduino. A TDS (Total Dissolved Solids) Sensor measures the total amount of dissolved solids in a liquid, typically water. Dissolved solids include inorganic salts and small organic substances. The measurement is expressed in parts per million […]
Arduino
Rain Sensor Module with Arduino Working and Applications
Let’s see how to interface rain sensor with Arduino, a rain sensor, also known as a rain switch or rain detector, is a device used in various applications to detect the presence of rain and trigger a response. The basic principle behind a rain sensor involves detecting changes in conductivity or capacitance caused by the […]
MAX485 TTL to RS485 Modbus Module Interfacing with ESP32
The MAX485 TTL to RS485 Modus Module is a popular RS-485/RS-422 transceiver chip manufactured by Maxim Integrated. It’s commonly used in applications where long-distance serial communication is required, such as industrial control systems, building automation, and instrumentation. MAX485 Modbus Module: A MAX485 module typically includes the MAX485 chip along with necessary support components like voltage […]
Control Home Appliances by IR Remote with Arduino
Controlling home appliances using an Arduino and an IR remote is a popular DIY project that’s relatively straightforward. An infrared (IR) remote control is a device that transmits signals to control electronic devices such as TVs, DVD players, and air conditioners. Working of IR Remote Control: Here’s a basic overview of how it works. Transmitter: […]
What is a Sensor? Types of Sensors, Classification & Applications
Let’s see various types of sensors within their classification and Applications. A sensor is a device or component that detects changes in its environment and converts those changes into an electrical signal or another form of readable data. Sensors are used in various applications to monitor, measure, or control processes, equipment, or environmental conditions. They […]
Circuits of MOC7811 Sensor with Arduino, it’s Datasheet & Pricing
The MOC7811 is an optical sensor module commonly used for detecting motion or presence. It consists of an infrared emitter and a phototransistor, typically housed in a black plastic casing with a small gap in between for the passage of light. The emitter emits infrared light, and if an object comes within the range of […]