Arduino RPM Counter Using an Optical Sensor
Arduino RPM Counter Using an Optical Sensor Building an RPM (revolutions per minute) counter is a classic and useful Arduino project. This guide walks you through creating an optical tachometer...
38-3D Blog
Arduino RPM Counter Using an Optical Sensor
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How to Interface a Load Cell & HX711 with Arduino for Weight Measurement
Learn how to interface a load cell and HX711 with Arduino for accurate weight measurement. Step-by-step guide on wiring, calibration, and troubleshooting.
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How to Use the NRF24L01 Wireless Module with Arduino
Wireless communication is a cornerstone of modern electronics, enabling devices to communicate without the constraint of wires. One popular module for achieving this with Arduino is the NRF24L01. This versatile,...
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Function Generator Basics: Understanding the Heartbeat of Electronic Testing
Explore the essentials of function generators, key to precision in electronic testing and development across various applications.
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Bench Power Supply Basics: Everything You Need to Know
Explore bench power supply basics, key features, and usage tips to enhance electronics projects in our comprehensive guide.
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Top 5 Microcontroller Projects for Electronics Enthusiasts
Microcontrollers have become an integral part of the electronics and maker community, enabling enthusiasts to bring their innovative ideas to life. Whether you're a hobbyist, a student, or a professional,...
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Best 3D Printers for Beginners and Enthusiasts
3D printing has become an essential tool for hobbyists, professionals, and educators alike. With numerous models available, selecting the right 3D printer can be overwhelming. Below are some of the...
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Data Logging with Arduino and an SD Card Module
Data logging is a crucial aspect of many IoT, environmental monitoring, and sensor-based projects. With an Arduino and an SD card module, you can store sensor data, timestamps, and other readings...
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How to Use a 0.91" OLED Display with Arduino
A 0.91" OLED display is a small, high-contrast screen perfect for displaying text, graphics, and sensor data in Arduino projects. This guide will walk you through wiring, coding, and displaying text...
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Beginner’s Guide to Soldering: Tools, Techniques, and Tips
Soldering is an essential skill for anyone working with electronics, DIY projects, or circuit repairs. It allows you to create strong, conductive connections between components. Whether you're a beginner or...
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Understanding Ohm’s Law: A Beginner’s Guide to Voltage, Current & Resistance
Ohm’s Law is a fundamental principle in electronics and electrical engineering, describing the relationship between voltage (V), current (I), and resistance (R) in an electrical circuit. Whether you’re a beginner or...
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Common Arduino & Raspberry Pi Errors and How to Fix Them
Both Arduino and Raspberry Pi are widely used for DIY electronics, robotics, and IoT projects. However, beginners and even experienced users often encounter common errors. This guide covers frequent issues and...
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Best Multimeters for Beginners
Multimeters are essential tools for electricians, engineers, and hobbyists working with electrical circuits. For beginners, choosing the right multimeter can be challenging with so many options available. This guide highlights...
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Best Oscilloscopes for Beginners
Oscilloscopes are essential tools for engineers, technicians, and electronics hobbyists who want to analyze signals, debug circuits, or conduct precise measurements. For beginners, choosing the right oscilloscope can be daunting...