Open Source Projects Archives - Open-Electronics https://www.open-electronics.org/category/opensourceprojects/ Open source electronic projects Thu, 14 Aug 2025 10:20:32 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.3 https://www.open-electronics.org/wp-content/uploads/2015/08/cropped-logo-32x32.jpeg Open Source Projects Archives - Open-Electronics https://www.open-electronics.org/category/opensourceprojects/ 32 32 32754084 TekkaSketch: Reinventing the Etch-a-Sketch with E-Ink and ESP32 Innovation https://www.open-electronics.org/tekkasketch-reinventing-the-etch-a-sketch-with-e-ink-and-esp32-innovation/ https://www.open-electronics.org/tekkasketch-reinventing-the-etch-a-sketch-with-e-ink-and-esp32-innovation/#respond Thu, 14 Aug 2025 10:20:29 +0000 https://www.open-electronics.org/?p=37738 The iconic Etch-a-Sketch, a toy beloved by generations, always had one major limitation: a drawing mistake meant shaking the entire device and starting over from scratch. With the TekkaSketch project, this limitation is overcome thanks to a modern approach that integrates digital functions while preserving the classic aesthetic. The idea stems from observing the original […]

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]]> https://www.open-electronics.org/tekkasketch-reinventing-the-etch-a-sketch-with-e-ink-and-esp32-innovation/feed/ 0 37738 How to Build a 1000W ZVS Induction Heater Using a Resonant RLC Circuit https://www.open-electronics.org/how-to-build-a-1000w-zvs-induction-heater-using-a-resonant-rlc-circuit/ https://www.open-electronics.org/how-to-build-a-1000w-zvs-induction-heater-using-a-resonant-rlc-circuit/#respond Wed, 02 Jul 2025 08:56:45 +0000 https://www.open-electronics.org/?p=37437 Let’s Melt Metals Using the ZVS (Zero Voltage Switching) Technique Applied to a 1,000W RLC Resonant Circuit Have you ever wondered how intense the electromagnetic fields surrounding us can be? This is a relevant question, considering we are surrounded by countless electromagnetic waves, caused by power distribution cables, radio and TV transmitters, mobile phone networks, […]

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]]> https://www.open-electronics.org/how-to-build-a-1000w-zvs-induction-heater-using-a-resonant-rlc-circuit/feed/ 0 37437 Building a 3D Digital Clock with Arduino https://www.open-electronics.org/building-a-3d-digital-clock-with-arduino/ https://www.open-electronics.org/building-a-3d-digital-clock-with-arduino/#comments Mon, 08 Jan 2024 08:33:03 +0000 https://www.open-electronics.org/?p=36507     Project to create a digital clock consisting of 24 3D-printed analog clocks. The clock displays the time in digital format and shows animations between each hour. The clock is composed of 3D-printed parts, 25 Arduino Nano boards, and 48 stepper motors, and each dial uses a custom-designed PCB created with Eagle. The clock […]

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]]> https://www.open-electronics.org/building-a-3d-digital-clock-with-arduino/feed/ 2 36507 Creating a controller for Minecraft with realistic body movements using Arduino https://www.open-electronics.org/creating-a-controller-for-minecraft-with-realistic-body-movements-using-arduino/ https://www.open-electronics.org/creating-a-controller-for-minecraft-with-realistic-body-movements-using-arduino/#respond Wed, 20 Dec 2023 17:13:57 +0000 https://www.open-electronics.org/?p=36526   Project of a controller that maps body movements and reproduces them in the game Minecraft to achieve a low-cost augmented reality-like experience. Unlike many other controllers of this type, this device also reproduces realistic walking in the game, where every meter walked in real life corresponds to a meter walked in Minecraft. The device […]

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]]> https://www.open-electronics.org/creating-a-controller-for-minecraft-with-realistic-body-movements-using-arduino/feed/ 0 36526 Snowflake with Arduino https://www.open-electronics.org/snowflake-with-arduino/ https://www.open-electronics.org/snowflake-with-arduino/#comments Thu, 14 Dec 2023 08:13:11 +0000 https://www.open-electronics.org/?p=36559 With Christmas just a few hours away and no snow in sight, we present to you this scenic snowflake created using LEDs and controlled by Arduino. The application itself is quite simple, but the construction method makes this snowflake truly unique.  

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]]> https://www.open-electronics.org/snowflake-with-arduino/feed/ 2 36559 Holographic Christmas Tree https://www.open-electronics.org/holographic-christmas-tree/ https://www.open-electronics.org/holographic-christmas-tree/#respond Mon, 04 Dec 2023 16:00:56 +0000 https://www.open-electronics.org/?p=36562   Beautiful project to create a Persistence of Vision (POV) Christmas Tree There are several fascinating gadgets and POV clocks available, and we have featured some of them on this blog as well. They fall into the category of holographic projectors that can display 3D projections. However, for those who want to embark on a […]

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]]> https://www.open-electronics.org/holographic-christmas-tree/feed/ 0 36562 Segstick: Build Your Own Self-Balancing Vehicle in Just 2 Days with Arduino https://www.open-electronics.org/segstick-build-your-own-self-balancing-vehicle-in-just-2-days-with-arduino/ https://www.open-electronics.org/segstick-build-your-own-self-balancing-vehicle-in-just-2-days-with-arduino/#comments Mon, 20 Nov 2023 08:20:47 +0000 https://www.open-electronics.org/?p=36529 The Segstick project is a do-it-yourself construction of a self-balancing vehicle based on Arduino. It uses an inertial measurement unit (IMU) and two motor drivers. The project was created using a broomstick and two cordless DeWalt drills. It may not be the best self-balancing DIY vehicle ever made, but it was built in just two […]

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]]> https://www.open-electronics.org/segstick-build-your-own-self-balancing-vehicle-in-just-2-days-with-arduino/feed/ 1 36529 ZSWatch: An Open-Source Smartwatch Project Based on the Zephyr Operating System https://www.open-electronics.org/zswatch-an-open-source-smartwatch-project-based-on-the-zephyr-operating-system/ https://www.open-electronics.org/zswatch-an-open-source-smartwatch-project-based-on-the-zephyr-operating-system/#respond Mon, 30 Oct 2023 09:04:32 +0000 https://www.open-electronics.org/?p=36522 Jakob Krantz has created an open-source smartwatch called ZSWatch, which utilizes the Zephyr Real-Time Operating System (RTOS).         The four-layer PCB measures 36mm and contains a u-blox ANNA-B402 module with a Nordic nRF52833 BLE SoC, a sensor package with an accelerometer, a pulse oximeter, and a heart rate monitor, a vibrating motor, […]

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]]> https://www.open-electronics.org/zswatch-an-open-source-smartwatch-project-based-on-the-zephyr-operating-system/feed/ 0 36522 Make your curtains smart https://www.open-electronics.org/make-your-curtains-smart/ https://www.open-electronics.org/make-your-curtains-smart/#comments Mon, 02 Oct 2023 09:09:03 +0000 https://www.open-electronics.org/?p=36510 The home automation project for curtains is an innovative idea to make daily life more convenient and comfortable. By using stepper motors and the Tasmota software, it becomes easy to control the opening and closing of curtains without the need to get up from the couch. Pre-packaged solutions for automating curtains can be expensive or […]

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]]> https://www.open-electronics.org/make-your-curtains-smart/feed/ 2 36510 Configuring an ESP8266 for Battery Power https://www.open-electronics.org/configuring-an-esp8266-for-battery-power/ https://www.open-electronics.org/configuring-an-esp8266-for-battery-power/#respond Fri, 29 Sep 2023 07:19:50 +0000 https://www.open-electronics.org/?p=36547     There are numerous ESP8266 modules available, and they are often used in battery-powered IoT applications that, with the correct configuration, can run for months. In this guide, you will learn how to power an ESP8266 using lithium-ion batteries and how to configure it correctly. You will also be able to simulate battery life […]

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]]> https://www.open-electronics.org/configuring-an-esp8266-for-battery-power/feed/ 0 36547 Creating a Telegram Bot for ESP32 https://www.open-electronics.org/creating-a-telegram-bot-for-esp32/ https://www.open-electronics.org/creating-a-telegram-bot-for-esp32/#respond Thu, 28 Sep 2023 07:07:21 +0000 https://www.open-electronics.org/?p=36538 In some of the ESP32 projects featured in the magazine Elettronica In, a Telegram bot is used to receive alarm notifications, event alerts, and even control the module’s outputs. In these detailed videos, Dario Ciceri (the tutor for the ESP32 course) explains how to configure a Telegram bot using the Arduino IDE. If you’re interested […]

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]]> https://www.open-electronics.org/creating-a-telegram-bot-for-esp32/feed/ 0 36538 Creating a Unique Electronic Musical Instrument: The Sound Wall https://www.open-electronics.org/creating-a-unique-electronic-musical-instrument-the-sound-wall/ https://www.open-electronics.org/creating-a-unique-electronic-musical-instrument-the-sound-wall/#comments Mon, 25 Sep 2023 07:49:18 +0000 https://www.open-electronics.org/?p=36178   We place metal foil notes on a panel and play our music by touching them, creating a melody from a truly original instrument. Those who know a little about music or have good memories of the “music education” hours at secondary school (or secondary school, to put it in a modern way), will certainly […]

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