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Build a $10 Function Generator with Frequency Meter for Your Lab
Pavleski Oct 30,2025
 A function generator is a piece of electronic test equipment used to generate various types of electrical waveforms over a wide range of frequencies. It's an indispensable tool for anyone involved in electronics or electrical engineering for electronic design and testing. The most common waveforms produced are Sine, Square and Triangular wave. A rectangular signal can be easily generated with discrete components, standard ICs, and microcontrollers, while for precise generation of sine...
Arduino ESP8266 DIY
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NoahFC - Atmega328 Flight Controller
Petreski Oct 25,2025
 NoahFC — Open Hardware Flight Controller for EveryoneNoahFC is an open-source, fully documented flight controller platform designed to make aerial robotics accessible, affordable, and endlessly customizable. Built on the proven Atmega328 architecture, NoahFC combines simplicity, modularity, and flexibility to empower makers, students, and hobbyists to explore the world of autonomous flight—without proprietary barriers.Unlike typical closed systems, NoahFC gives you comp...
8th Design Contest-Electronic Project Flight Controller Arduino
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Arduino Mini Amplifier
Jayakody Oct 22,2025
The Arduino Mini Amplifier is a compact audio system that merges vintage analog and modern digital components. It combines a Philips TDA8425 audio processor and an Arduino Nano, supporting Bluetooth and line-in audio, spectrum analysis, stereo modes, and software-controlled tone adjustment.The Arduino Mini Amplifier is organized into six major subsystems: the audio processor, spectrum analyzer, Bluetooth source, power amplifier, control interface, and power management unit. This modular setup al...
Arduino Audio Amplifier
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Simple Human-Machine Interface (SHMI) PCB
Toth Oct 20,2025
This project, developed as part of a scientific research program at UTFPR (Federal University of Technology - Paraná), details the design and implementation of a Human-Machine Interface (HMI) to control power electronic converters, specifically a DC-DC Buck converter.The main objective is to simplify the operation and validation of these converters in research and educational laboratory settings. Currently, configuring parameters like switching frequency (f_ch) and duty cycle (D) often requires ...
8th Design Contest-Electronic Project DIY Atmega
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Making a Retro Analog NTP Clock with Unihiker K10 - Arduino IDE Tutorial
Pavleski Oct 17,2025
 Some time ago I presented you a way to use standard Arduino libraries on the Unihiker k10 development board. Specifically, the project consisted of using the TFT-eSPI library and an integrated sensor with the result displayed on an analog meter. This time I will present you a project where I will test the Wi-Fi functionality as well as using the A and B buttons. And again I use a combination of "unihiker_k10.h" and other standard libraries. These buttons are connected to a pin on the ...
Clock ESP8266 DIY
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Global Human Detection Using Fingerprint
Oct 16,2025
Fingerprint-based smart human recognition system.Mission:Global Human Detection Using Fingerprintیعنی ایک ایسی ڈیوائس جو دنیا میں کہیں بھی صرف فنگر پرنٹ سے انسان کو شناخت کرے۔Project Title: Tarjuman ID – Fingerprint-Based Global Human Detection System 2. Components (Parts Required): | 1 | Fingerprint Sensor (R305)| فنگر پرنٹ ڈیٹیکشن کے لیے                        ...
Arduino ESP8266 IOT
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Arduino Based 3D Printed Color Adjustable Minecraft Lantern
Adhikari Oct 15,2025
For this Halloween, I'm fusing the creative blocky world of Minecraft with the spooky glow of the colorful RGB LEDs in a fun and simple Halloween project.A "Color Adjustable Minecraft Lantern" is a project that recreates the iconic lantern from the video game Minecraft. It allows the user to change the light's color to any hue, rather than being limited to the standard yellow or orange glow.Video: https://www.youtube.com/watch?v=8wauoKaCeakComponents RequiredFor this project we need: [Buy N...
8th Design Contest-Electronic Project 3D printing Arduino
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RoverIno - Firefighting Robot
Pirani Oct 15,2025
RoverIno By Alessio Pirani
8th Design Contest-Electronic Project Arduino Robot
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Tee-Ohr-Dor_V2
Oct 14,2025
This is a suitable, self-made circuit board for the project from Make magazine. Tee-Ohr-Dor. The tea bunny that uses Arduino to control the movement of the tea bag and the brewing time.
Make Tee-Ohr-Dor Tee o dor
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ESP32 Walkie Talkie
ELECTRONOOBS Oct 10,2025
I've made some ESP32 walkie talkies with ESP-Now protocol communication, i2s microphone, i2s DAC speaker, 3D printed case and a lot more!
Arduino ESP32 DIY
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Popular Project
A Modified zFlip 5
With many Samsung zFlip phones hitting the unfortunate fate of a broken folding screen, I took it as an opportunity to build my own silly phone. Taking only the minimum parts required for the phone to...
Mainboard replacement for Nokia 3310//3330
This replacement board for Nokia 3310/3330 phones brings FM/FSK capabilities on 70cm amateur radio band (including 433MHz ISM). The board uses a G-NiceRF SA868S UHF RF module running OpenRTX firmware....
ESP32-BlueJammer
The ESP32-BlueJammer (Bluetooth jammer, BLE jammer, WiFi jammer, RC jammer) disrupts various devices using an ESP32 and nRF24 modules, causing plenty of noise and sending unnecessary packets (DoS).It ...
Flipper Zero Dev Board: BW16 RTL8720DN 2.4 GHz & 5 GHz Deauther
Upgrade your Flipper Zero with the AI Thinker BW16 RTL8720DN Dual-Band WiFi Expansion Board. Enhance your device's connectivity capabilities with support for both 2.4 GHz and 5 GHz WiFi bands. Perfect...
Air Quality Monitor
The Air Quality Monitor is a compact, ESP32-C3–based device designed to track and display key indoor environmental metrics in real time. At its core, it integrates the Sensirion SEN54 for particulate ...
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