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 […]
Electronics tutorial
Here are the basic electronics tutorial circuits for beginners. You can find here tutorials on operational amplifiers (opamp), transistor, MOSFETs, 555 timer IC, audio amplifiers and many more.
Gold Finger PCB Assembly: Best Practices for Ensuring Reliability
Gold Finger PCB assembly requires the construction of edge connectors with gold finishing, making it possible to get the best electrical connections over other connections between circuit boards. This process is primary in electronic equipment because connection integrity is important in every device. Gold plating of high quality provides good conductivity and greater wear and […]
Raspberry Pi Compute Module 5 (CM5) Explained
The Raspberry Pi Compute Module 5 (CM5) brings the power of the Raspberry Pi 5 to a compact system-on-module (SoM) form factor, designed for embedded and industrial applications. It features a quad-core Arm Cortex-A76 processor clocked at 2.4GHz and offers a range of options for RAM and storage, making it ideal for various custom hardware […]
Explore Essential Drone Sensors for Precise Flight Navigation
Drone sensors are the most critical and indispensable part of drone systems. They are like the eyes, ears, and tentacles of drones, responsible for collecting environmental data in all directions. These data are like keys that help drones unlock a variety of complex and critical functions such as stable flight, precise navigation, and clever obstacle […]
LR44 Button Battery Equivalent: All You Want to Know
Known for its compact size and reliable performance, let’s explore the LR44 button battery equivalent options. The LR44 is a widely used alkaline button cell battery with a nominal voltage of 1.5 volts and a capacity ranging from 100 to 150 mAh. Measuring 11.6 mm in diameter and 5.4 mm in height, it weighs around […]
12V Automatic Cut Off Battery Charger Circuit Using Relay
This article details the construction and working of an Automatic Cut-Off Battery Charger Circuit using common components such as a relay, transistor, potentiometer (pot), LED, diodes, and resistors. Battery chargers with automatic cut-off functionality ensure batteries do not overcharge, enhancing their life span and performance. This circuit charges the battery in its Normally Closed (NC) […]