Potentiometers are electrical component used to measure or adjust voltage or current, it usually consists of a rotary or sliding adjusting device, and three electrical contacts, one of which is connected to the power supply, the other is grounded, and the third can be moved on the adjusting device of the potentiometer, which can be […]
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.
LM3915 Based LED VU Meter Circuit Diagram And Working
Creating an LED VU meter using the LM3915 involves designing a circuit that converts audio signals into visual LED bar displays. The LM3915 is an IC that drives 10 LEDs in a logarithmic scale, making it suitable for audio level meters. A VU meter, or Volume Unit meter, is an audio visualizer that uses a […]
Brushless DC – BLDC Motor Driver Circuit using 555 Timer IC
This article describes a sensor-less BLDC motor driver circuit using 555 timer and DRV10866 motor driver IC, suitable for driving small 5V BLDC fans without position sensors. The rise in the use of brushless DC motors (BLDCs) is driven by their efficiency, durability, and precision. However, controlling these motors typically requires rotor position information to […]
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 […]
Revolutionary Axial Flux Printed Circuit Board (PCB) Stator Motor
The innovation of PCB (Printed Circuit Board) stator motor stands out as a game-changer. In the world of electric motors, it is pushing the boundaries of efficiency, size, and performance. Combining the principles of electronics and electromagnetics, this emerging technology promises to revolutionize various industries, from electric vehicles to industrial automation. In this article, we […]
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 […]