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ESPWroom02 Breakout Board
Arnov sharma Nov 16,2022
Hey, what's up, everyone? So here's something useful: a custom breakout board for using the ESP-WROOM-02U module for tinkering and testing.The ESP-WROOM-02U is an ESP8266EX-based microcontroller that offers the same features as its predecessor, the ESP Series, but is way smaller, making it suitable for implementing into a badge or wearable project.Furthermore, the ESP-WROOM-02U integrates a U.FL connector for adding an external antenna for increasing the WiFi range, which is an eye-catching feat...
Arduino ESP8266 DIY
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SI4735 SSB DSP RADIO
USTAOGLU Nov 15,2022
SI4732 OR SI4735 radio. Desingn by ustaoglu audio from Tarsus.
Arduino ESP8266 Audio
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NEC PC-98xx serial mouse adapter (from PS/2 Mini DIN 6, USB-A to DE-9) Standard Arduino Mini Pro
kinmami Nov 15,2022
Standard layout version for Arduino Mini Pro10K ohm SIP-7 (six resistors) bussed resistor networkMini DIN 6 female connector or USB-A connectorDE-9 male connector220 ohm 1/4W resistor (optional)0805 SMT LED (2.1V, 20mA, any color - optional)Standard Arduino Pro Mini (ATmega328, 5V, 16MHz) on sale on Aliexpress for example https://tinyurl.com/w2kcmnpydesigned for NEC PC-98xx seriesNote:if Arduino Mini/Pro has the pull-up resistors on A4 and A5, those should be removed from the board.On/Off jumper...
Arduino Keyboard Mechanical Keyboard
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LC meter of using the franclin oscillator アルディーノマイコンを使ったLCメーター
Asai Nov 14,2022
This LC meter is majorly composed by 74HCU04 Franclin oscillator and Arduino frequency counter.The east German engineer of Dr.Hegewald had published this LC meter design principal. AADE and some suppliers introduced the products for HAMs. At the original design they used PIC. (Such information is kept on VK3BHR web site"https://sites.google.com/site/vk3bhr/home/lcm1/faq?pli=1")I followed this method by using Arduino to recognize the principal of L or C measuring.I had posted my sketch on GITHUB(...
5th PCB Design Contest-Next Generation Hardware Arduino Board
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Mini DIY H-Bridge made from Fets
Arnov sharma Nov 14,2022
Hey, what's up, everyone? So here's something small and interesting.A Mini H-bridge board that can power any DC motor and switch its polarity by using two GPIOs from a microcontrollerBy using this small 20mm x 20mm board, we can power small DC motors that operate at a lower voltage, like below 5V, from a single Li-ion cell.This driver can be used in projects that require less space to work with; for example, I prepared a mini-rotating table for capturing rotational videos of components...
5th PCB Design Contest-Free Theme Arduino ESP8266
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Arduino Whistle Detector Switch using Sound Sensor
Nov 14,2022
As a kid I was fascinated by a toy music car which gets triggered when you clap your hands, and then as I grew up I wondered if we can use the same to toggle lights and fans in our home. It would be cool to just turn on my Fans and lights by just clapping hands instead of walking my lazy self to the switch board. But often times it would malfunction as this circuit will respond to any loud noise in the environment, like a loud radio or for my neighbor’s lawn mower. Although building a clap switc...
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746-compact-compatible-board
Fantazzini Nov 13,2022
746-compact-compatible-boardAn open source compatible board for the 746 compactGitHub of the projectThe ideaIdea came out when my automatic sliding gate stopped working.After some analisis I found out that the controlling board was broken.Now it is impossible to find a new replacement of this old board, which FAAC discontinued, so I decided to make one myself. I/O informationThe high voltage part has been projected preserving functionality and safety, from the original board;The low voltage...
5th PCB Design Contest-Next Generation Hardware DIY Arduino
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PT2314 Arduino LCD2004 Spectrum Analyzer Remote Control Encoder
burhan Nov 13,2022
Control of PT2314 sound processor with Arduino nano. All controls can be done with encoder and two buttons. In addition, settings can be made with the remote control.https://320volt.com/arduino-pt2314/
2570
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Aurduino Buttom Box PCB
Machado Nov 11,2022
PCB to facilitate connection between arduino pro micro and button box
DIY USB Arduino
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WS2813 fixed buffer for WLED
DIY Nov 09,2022
WS2813_fixThis is a versatile buffer for WS2813 LED strip. It is the tiny and fixed version of my other project: WS2813_bufferIt is a LED with strong SN74LVC2T45DCTR buffer for the serial output that allows to send serial I/O data up to few meters; it is designed for mid range serial LED strip communication.It has very small dimension: 11,4 x 9 mm.
5th PCB Design Contest-Free Theme ESP32 RGB
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