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Pi Digit-Learning Game
May 02,2026
Pi Digit-Learning GameHey everyone! In celebration of Pi Day, I created this fun Pi digit-learning game! It's made with a 3D printedenclosure, a custom PCB, and assorted components. Here they are!-Arduino Nano Every with headersThis is the brain of your project. It controls everything - from the screen to the encoder.-10x Cree LED C513A-WSN-CW0Z0151These are some pretty standard 3.2V LEDs. They'll indicate which number is selected.-Alps Alpine EC11E15244G1 (Rotary encoder)This rotary e...
3D printing Arduino
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Pack_Test_zig.kicad_pcb
Apr 30,2026
arduino test zig sheld project
Arduino
100
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DIY Shortwave Propagation Monitor - Measure Ionosphere Conditions
Pavleski Apr 30,2026
 Shortwave Propagation is the way radio waves in the 3 to 30 MHz range travel from point A to point B, using the ionosphere as a mirror. The ionosphere is a layer of the atmosphere full of charged particles (ions). The quality of the signal depends on how "dense" this layer is.  This is affected by several factors such as Solar activity (the most important factor), time of day (day or night), seasons, and others. In this project I will present you a very simple way to measure the ...
Arduino ESP8266 DIY
229
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Drone Detection
Bandini Apr 27,2026
Drone Detection SystemAs part of a symposium presentation, I decided to build several drone detection prototypes using different approaches: image-based detection, audio, and radio frequency.For image-based detection, my initial idea was to train a machine learning model and deploy it on a dedicated Linux board with a camera array. Instead, I chose a simpler and more engaging approach that attendees could easily replicate—even without much maker experience.SenseCAP WatcherSenseCAP Watcher is an ...
3D printing Arduino DIY
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Electronic Fish Feeder
silicioslab Apr 24,2026
Never forget to feed your fish again and with the right amount, at the right time.Regular feeding is one of the most important factors for the health and growth of fish, whether in home aquariums or larger breeding systems. However, maintaining this consistency manually is not always practical, especially in busy routines or during periods of absence.With this in mind, this project presents an automatic feeder developed with 3D printing, designed to be simple, efficient, and accessible. Using a ...
3D printing SLA Arduino
434
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PC volume knob
Rehman Apr 22,2026
A physical knob to take control of volume on a PC.
2026 KiCad PCB Design Contest Audio Arduino
345
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Buzzer Buzzer
hi Apr 22,2026
Minimal Arduino Uno buzzer shield.Pin 1 = SIG (D9)Pin 2 = GNDUses passive piezo buzzer with 220 ohm resistor.
Arduino
301
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PLC con Arduino Nano v3.0
Zurco Limachi Apr 21,2026
La placa entrenadora PLC con Arduino Nano esta diseñada para trabajar con OpenPLC y programar en lenguaje ladder pero tambien se puede usar con el IDE de Arduino sin ningun problema incluye modulo TTL to RS485 para comunicacion Modbus RTU
464
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DTMS (Distribution Transformers Monitoring System) Module
Apr 21,2026
DTMS (Distribution Transformer Monitoring System) is a distribution transformer monitoring system designed to monitor operational conditions in real time. This system not only measures transformer oil temperature using a PT100 sensor acquired through the MAX31865 module to ensure high accuracy, but also reads electrical parameters at each transformer terminal, such as voltage (V), current (I), power (P), power factor (PF), and other parameters via Modbus RS485 communication from an external mete...
2026 KiCad PCB Design Contest ESP32 Arduino
489
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Robot Car Real Time Physics Controller using variable inertia for Programming Cosmic Dynamics based on NKTg Law
Apr 18,2026
NKTg Law Robot Car — Build Your Own Physics-Controlled RobotBackgroundThis project is based on the NKTg Law on Varying Inertia by Nguyen Khanh Tung (ORCID: 0009-0002-9877-4137). The law states:NKTg = f(x, v, m)NKTg₁ = x × p = x × m × v → Orbital Stability ParameterNKTg₂ = (dm/dt) × p → Mass-Momentum Exchange ParameterUnlike classical physics that treats mass as constant, NKTg treats mass as a variable — making it ideal for robots that carry, pick up, or drop cargo.Parts List & Estimated Cost...
Arduino ESP32 Robot
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Popular Project
AERIS-10 Open Source Phased Array Radar
The AERIS-10 is a low‑cost open‑source phased‑array radar platform designed for makers, researchers and educators. Operating around 10.5 GHz, the system can detect and track multiple objects at ranges...
4G Hacker Phone
Have you always wanted an easier to use and more powerful Flipper Zero?Are you tired of getting detained by the TSA because of your WiFi hat on your Flipper Zero? Then this is the solution for you. It...
Project Aura AQ Sensor Hub PCB v1.1
This is the custom PCB for Project Aura AQ, an open-source ESP32-S3 air-quality monitor with touchscreen UI, local web dashboard, MQTT, and Home Assistant support.What is included on the PCB:- Built-i...
Simple lo-fi offline MP3 player for the Zion Brock vintage radio (official PCB)
Offline | Mono | Lo-FiThe PCB version of the Vintage Radio does not receive live radio signals. It is a self-contained offline music player. You load albums or tracks onto a microSD card, insert ...
DIY Active FFB Pedal PCBA
Easy one click ordering of Ghilipert PCAB V2.2 REV BNo solderinghttps://github.com/gilphilbert/DIY-Sim-Racing-FFB-Pedal-PCBsAsk for part 25 : SQP5W-5Ω±5%-9MMore info here :https://youtu.be/PMupeveZSFM...
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