Hacks of Electronics
Let’s designing a PIR motion sensor circuit that uses a Passive Infrared (PIR) sensor to control a buzzer through a 555 timer for motion detection applications. Here’s a step-by-step guide to creating this circuit: Working Principle of PIR Motion Sensor: A Passive Infrared (PIR) motion sensor detects motion by sensing changes in infrared radiation. Here’s […]
Creating project like air quality monitoring system is a great way to keep track of environmental conditions in your area. This article will help you through the steps of setting up a system using the XIAO ESP32C6 board, various sensors, and the Blynk IoT platform. Here’s a detailed breakdown of the components and steps involved. […]
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 […]
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 […]
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 […]
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: […]