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555 Dual Sound Generator Digital Pot Controlled
Reboot Dec 14,2024
An ATTiny1604 can be programmed to control two 555 oscillators to generate melodies or sound effects/noises.There are also headers for a UART or I2C interface so the ATTiny can also be programmed to accept commands from serial inputs.Each 555 circuit has two digital pots controlling them - one controlling the main oscillator frequency and another controlling voltage on the CV pin for another way to manipulate the audio tones.The output of each 555 goes into two D-Flip Flops connected in series, ...
Arduino Synthesizer 555 tone generator
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Metal Detector
Luna Dec 13,2024
This metal detector is based on the principle of frequency displacement when a magnetic material is close to the oscillator coil.At first the microcontroller gets the frequency of oscillation, when the frequency change it lights one to four leds, according to the displacement amount.
7th Design Contest-Electronic Project Sensor Attiny
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Arduino Mega with Usb C
Virdi Dec 13,2024
Hello,everybody. I was waiting for a long time for the official release of arduino mega with usb c, as its akward to use with a large usb a , occupying much space in my projects. Then what if i just replace the usb a with usb C. This is what i done, You can place order and for assembly of this project, hope you will like it...
NewYear2025 Arduino Usb C
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Compact Water Sensor for Liquid Detection
Soriano Dec 13,2024
This project consists of a compact and efficient water sensor module designed to detect the presence of liquids in various applications. Its simple design makes it ideal for DIY projects, educational purposes, and automation systems.Features: -Liquid Detection: Detects the presence of water or other conductive liquids using two exposed tracks (ramp 1 and ramp 2) on the PCB. -LED Indicator: Provides a visual alert when liquid is detected. -Transistor Amplification: Utilizes an S8050 transistor...
DIY 7th Design Contest-Electronic Project Water sensor
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Ultrasonic Sensor HC-SR04 Interfacing with Arduino
Jain Dec 12,2024
The HC-SR04 Ultrasonic Sensor is a widely used and easy-to-implement sensor for distance measurement. Known for its high accuracy and stable readings, it has a range of 3 cm to 300 cm. This makes it an essential component in a variety of projects such as obstacle-avoiding robots, object detection, burglar alarms, smart parking systems, and more.In this guide, we will delve into the working of the HC-SR04 ultrasonic sensor and learn how to interface it with an Arduino Uno.What is the HC-SR04 Ultr...
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DIY Simple Antistress and Relaxation PEMF Device based on Schumannn resonance frequency 7.83 Hz
Pavleski Dec 12,2024
 Schumann resonances are global electromagnetic resonances, generated by lightning discharges in the space formed by the Earth's surface and the ionosphere. The primary frequency of Schumann resonance is around 7.83 Hz and has several harmonic frequencies, including 14.07 Hz, 20.25 Hz, 26.41 Hz, and 32.45 Hz. Multiple studies suggest that the Schumann frequency of 7.83 Hz positively affects human health and well-being. It has been linked to improved cognitive functions, reduced stress ...
7th Design Contest-Electronic Project DIY Development board
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arduino controlled preamp
smith Dec 12,2024
to be used to create raspberry pi/ arduino controlled audio mixer
mixer arduino preamp
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LS30 Rotary Joystick to USB Keyboard Adapter
Reboot Dec 10,2024
Plug in the 13 pin cable from 1 or 2 LS30 style arcade Rotary Joysticks and this board will send out keyboard keystrokes over USB to indicate when each joystick rotates clockwise or counter clockwise.This allows emulators to use the joystick as a game control input.The PCB contains an ATMega32u4 and behaves like a Pro Micro.Since the manufactured PCBs will contain blank chips, the board must be flashed with a Pro Micro bootloader.Then it will appear as a serial port in the Arduino IDE like a Pr...
Arduino Keyboard rotary joystick
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Banano Board - ElectroBananas Arduino Nano-based universal controller board
Bananas Dec 05,2024
The Banano Board is a Arduino Nano-based universal controller board as featured in the ElectroBananas video:https://youtu.be/pLuV-ciUMUs?si=Llm2Uv8akJ_nG_YgThis universal controller board can accommodate .96, 1.3 or 1.5" 4-wire I2C OLED displays. Can be used with a standard Nano, Nano IoT or ESP32 Nano variants. If you wish to order these boards from PCBWay, recommend that you request PCBWay to only provide and assemble the surface-mount components (the parts listed in the BOM as SMT/SMD type). ...
ElectroBananas Banano Board arduino
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TinyDRV - a MUST-HAVE add-on for N20 DC motors
Haase Dec 02,2024
N20 motor brushes are hard to solder, and you always need an external motor driver which takes up a lot of space and is often inefficient, like the L298N or TB6612FNG. The TinyDRV is here to solve both of these problems. It integrates a tiny 4 amp, 2 to 10V motor driver, ESD protection, and LED indicators to tell you which way and how fast the motor is going. If you don't want the LED indicators for low-power consumption (which this thing is great at, by the way), you can just cut the solder jum...
7th Design Contest-Electronic Project Arduino Robot
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Popular Project
DIY Active FFB Pedal PCBA
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