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Dual Motor Driver as Robot Base
Arnov sharma Nov 17,2022
Hey everyone, what's up?So here's something awesome, a Microrobot Base that is equipped with a Few FETs to make an H-Bridge for driving two Motors.These FETs are used for driving small gear micromotors with a 3.7V Li-ion cell.Apparently, common motor drivers like L293D work with a minimum voltage of 4.5V to 36V, so it wouldn't work with our current setup, and we need to increase the battery voltage from a single 3.7V cells to a battery pack composed of two or three cells in series. Ele...
5th PCB Design Contest-Free Theme Arduino ESP8266
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Piastra LED Rgb
Nov 17,2022
Piccola piastra con 3 LED RGB SMD, nei 3 buchi ci andranno saldati dei reofori per il collegamento dei cavetti, uno per i 5v, uno per la massa, uno per l'ingesso del segnale RGB, e uno per l'uscita di questo segnale, per un collegamento in serie. è comandabile semplicemente da Arduino con le librerie standard
5th PCB Design Contest-Free Theme RGB LED
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W143650ASI3_Arduino_PRIME
Gualtiero Lapini Nov 17,2022
This card is an Arduino Shield used to Test various software during a course of C programmingin an Italian Technical High School. In documentation is attached a sample Crono software withStart and Stop to measure lapse of time.
Arduino PCB
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Weather Monitoring System Mother board
Mustufa Nov 16,2022
HOW IS AGROMETEOSTANTS CONSTRUCTED?Agrometeostation continuously transmits data on air temperature and humidity, wind speed and direction, amount of precipitation, soil temperature, humidity and electrical conductivity, geolocation and battery charge to the cloud platform. Communication is carried out using a GSM modem. The agrometeostation operates in a fully autonomous system using solar energy.
5th PCB Design Contest-Next Generation Hardware Arduino Sensor
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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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