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🚀 ESP & Arduino Universal USB Flasher (CH340C Based)
DAS Sep 10,2025
OverviewThis project is a universal USB-to-Serial flasher board based on the CH340C USB-UART bridge. It is designed for ESP8266, ESP32, ESP01, Arduino, and other microcontrollers with UART bootloading.Unlike cheap USB-to-TTL adapters, this flasher includes:Auto-programming circuit (RTS/DTR → EN/IO0)Reset & Boot pushbuttons for manual controlColored silkscreen pin labels for easy connectionStatus LEDs (PWR, TX, RX)USB-C connector with ESD protectionClean PCB layout with ground poursThis makes...
8th Design Contest-Electronic Project
4218
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Base10 - A maker wearable Binary Watch
kadu Sep 07,2025
With today’s abundance of digital, connected watches—showing the time, your sleep quality, steps, heart rate, and more—something was missing: a watch that’s simply a watch, but in a cooler way. Why not tell the time in a maker’s style!?Based on my binary desk clock, I decided to create a wrist version: a watch you’ll wear proudly, showing it off to friends and enjoying their puzzled faces as they try to figure out how those LEDs can represent the time!Powered by an ESP32 microcontroller and addr...
8th Design Contest-Electronic Project ESP32 LED
769
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Iron Man Breakout Board for Arduino Nano
Industries Sep 07,2025
This PCB is a breakout board for an Arduino Nano running Crashwork3d's code. This board utilises a near plug and play experience for creating your own Iron man helmet!Check out my YouTube channel for a more in-depth guide on how to wire print and create your own helmet!This PCB design is free to use, modify, and share for personal or educational projects only. Commercial use is prohibited. Attribution is required.
8th Design Contest-Electronic Project
647
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A Modular, WiFi-enabled Bunsen Burner Monitoring System for Smart Laboratory
Gao Sep 05,2025
We developed a modular, WiFi-enabled fire monitoring system tailored for Bunsen burners. Each burner is equipped with a sensor node that provides visual and auditory alerts based on a countdown timer and can automatically shut off the gas if left unattended. When connected to WiFi, a central hub collects data from multiple sensors, activates warning signs, and forwards status to display modules placed in offices for enhanced situational awareness. Remote access is enabled via standard HTTP, allo...
Arduino IOT
461
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Build a Raspberry Pi Pico SDR Radio with Waterfall Display
Pavleski Sep 04,2025
 Software-defined radio (SDR) is a radio communication system where components that have traditionally been implemented in analog hardware (such as mixers, filters, amplifiers, modulators, and demodulators) are instead implemented by means of software on a computer or embedded system. The biggest advantage of SDR is its flexibility. Because the functions are handled by software, you can change the radio's behavior by simply updating the software.  This time I will present you...
Arduino ESP8266 Radio
2009
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4
YourChess – Intelligent Interactive Chessboard
Sep 03,2025
YourChess is an intelligent interactive chessboard that combines 3D printing, custom electronics, and software into a unique gaming and educational experience. The board uses 64 Hall effect sensors to detect each move, while individually addressable WS2812B LEDs provide visual feedback. Players can enjoy Human vs Human games, or challenge a basic AI engine in Human vs AI mode.The project started as my graduation thesis and grew into a passion project. I wanted to create not only a functional pro...
8th Design Contest-Electronic Project 3D printing Arduino
1143
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Mitsubishi ESPHome CN105 Microcontroller - PAC-USWHS002-WF-1 plug compatible
Sep 02,2025
Compatibility NoteThis version is plug compatible with the PAC-USWHS002-WF-1 and allows direct swap using the existing wiring. The WF-2 uses a smaller connector which would require an adapter cable to use with this project - instead click HERE for the WF-2 compatible module. Please ensure you have a WF-1 module if you plan on using this version of the board (the WF-1 has one (1) connector, the WF-2 has two (2) connectors). For more information on how to determine which version you have check ou...
Mitsubishi CN105 Arduino ESP32
5783
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Zen Pilot - Intelligent Control System
Zen Sep 01,2025
Zen Pilot is designed so that all signals are read directly by the onboard microcontroller. This architecture eliminates the need for external readers, ensuring faster response times and more reliable signal management. External sensors can be connected through modular inputs, while the MCU processes the signals natively and controls the outputs via relays and opto-isolators.
8th Design Contest-AIoT Project Arduino IOT
889
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Arduino Voice-Controlled Car
Sep 01,2025
Introduction Arduino-based applications are widely popular among open-source hardware enthusiasts. Today, we will introduce an interactive Arduino voice-controlled car. The HLK-V20 is the voice-controlled module we will be using today. We chose the HLK-V20 because it is affordable. Of course, its voice recognition functionality is still quite good. In this case, the car's wheels produce a lot of noise during operation. Even under such interference, commands can still be heard within a short...
Arduino
662
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CV Generator
DIWHY Aug 28,2025
A 3x CV Generator for synthesizers. Outputs are -10 to +10V DC with about 20mA source/sink current. 8HP Euro form factor. Also a buffered one-shot 5V CV with a manual pushbutton for triggering events.The project uses an ATTINY 1624 MCU with the cool AnalogReadEnh() function to drive the OLED and do the AD conversion.More details in the blog post here.https://audiodiwhy.blogspot.com/2025/08/cv-generator-seems-working.htmlIf you build this module you will need 2 PCB's, the main board and a front p...
Arduino DIY Synthesizer
744
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