DIY
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DIY “Mo-chan” Desk Robot Attracts Maker Community Attention A small do-it-yourself desk robot named Mo-chan has been shared with makers, demonstrating how individuals can build simple robotics and electronics projects on their own. This project uses an ESP32-C3 microcontroller, small DC motors, an OLED screen, and a motor driver to create a robot that looks nice and functions well as a companion for a desk. The robot is constructed using a metal… |
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IOT Based Smart Energy Meter With SMS Alert Ever thought about how you could monitor the household energy usage of your home remotely without heavy hardware or a complex setup? To make this idea practical, we came up with this project: an IoT based Smart Energy Meter using MQTT with SMS alert. Using the PZEM-004T sensor with ESP32, this smart energy meter using IoT provides real-time tracking of voltage… |
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DIY Smart Clock with Air Quality Monitoring, Alarm and Timer A tiny clock that integrates air quality monitoring, a timer, and an alarm sounds cool, right? Let's get into the article and know how it is built. It is a Cyber-style multifunction clock that can monitor air quality, show real-time data, run a timer, trigger alarms, and another cool feature is that it's a mini retro game. From a technical perspective, the system is built around an ESP32-C3… |
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Built an LED Chaser Circuit with 555 Timer IC and CD4017 LEDs are commonly used in electronic circuits, and with the LEDs, you can make many things which are interesting. You’ve probably seen many types of decorative lighting patterns-running lights, festival chasers, or rhythmic blinking effects that instantly stand out. This LED chaser circuit recreates that eye-catching style using a simple combination of the 555 timer… |
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Top 10 Open-Source Robotic Arms For Beginners A robotic arm is one of those classic projects that almost every electronics enthusiast tries at some point. It’s a perfect mix of mechanics, electronics, and hands-on creativity and building one teaches you more than any textbook ever could. When most people think of robotic arms, they picture the big, ultra-precise industrial robotic arm machines found in factories… |
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Build a Precision Digital Micro Current Meter with STM32 Keeping track of extremely low current levels is often essential when developing or testing low-power devices, especially in the field of embedded systems and battery-operated electronics. For battery-related diagnostics or energy-storage testing, the Building a Lithium Cell Capacity Tester tutorial offers a practical method for measuring cell performance over time.… |
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Build a Compact and Portable DIY Bluetooth Speaker This DIY Bluetooth Speaker is a budget-friendly project that delivers clear wireless audio using affordable components. With the help of a DIY Bluetooth Speaker amplifier, the Bluetooth module sends the audio signal to the amplifier, which then provides the necessary power to drive the speakers. It can also be used for building a DIY Bluetooth portable speaker. The… |
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ESP32 Offline Voice Recognition Using Edge Impulse Voice recognition is becoming an essential part of the Internet of Things (IoT), allowing us to control, monitor, and interact with devices hands-free. At its core, ESP32 speech to text works by capturing audio through a microphone, processing it, and converting it into text that devices can understand. This text is then used to trigger commands, just like how… |
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Built an ESP32-CAM Telegram Bot for Image & Video Capture The ESP32-CAM is one of the most popular development modules, featuring built-in Wi-Fi and a camera. With its robust 32-bit processor, it’s widely used in countless projects by hobbyists around the world! Thanks to its ability to capture images and videos, the possibilities in the Internet of Things are endless, from monitoring and surveillance to automation. … |
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Programming ESP32-S3 Box-3 with Arduino IDE: RGB LED Control Interface Building IoT projects with touchscreens used to be a headache, involving numerous components, messy wiring, and endless troubleshooting. But the ESP32-S3 Box-3 makes things way easier. It is an all-in-one board featuring a dual-core processor, touchscreen, and compatibility with the Arduino IDE. In this tutorial, we’ll take this developer-friendly board ESP32-… |
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Build a Smart ESP32 GPS Tracker with SIM800L and NEO6M Module Combining the dual-core processing capabilities of the ESP32 with the reliability of GSM connectivity, the ESP32 GPS tracker with SIM800L is the perfect solution for real-time position tracking. Unlike Wi-Fi-only solutions, this ESP32 GSM GPS system will work anywhere there is cellular coverage, because it does not rely on Wi-Fi. The NEO 6M GPS module with ESP32, in… |
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Clocked JK Flip Flop: Complete Guide with Circuit, Truth Table, and Working In the world of flip-flops, the Clocked JK Flip Flop stands out with its outstanding features, such as all usable input states and the ability to be modified to imitate other flip-flops like SR, T, and D. This makes the JK Flip Flop a little better than the others. It's often called a universal flip-flop. The JK flip-flop's main… |
