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Giovanni Carrera

Electronic Engineer , retired professor

Genoa, Italy

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ArduPicLab

This user joined on 10/21/2015.

My Projects

The purpose of this project is to provide a 4-20 mA output from a PWM signal generated by an ATmega328 or numerous other chips.

4-20 mA current output for Arduino Uno

Giovanni Carrera

A voltage to frequency converter can realize an opto-isolated analog input for Arduino or other microcontroller systems.

An isolated analog input for Arduino

Giovanni Carrera

How to convert the unipolar AD and DA converters of Arduino Due into bipolar with appropriate circuits.

A bipolar analog I/O for Arduino Due

Giovanni Carrera

It seems certain that type C ultraviolet radiation neutralizes the virus, so let's use it to sterilize the masks.

How to sterilize corona virus masks

Giovanni Carrera

Hackaday Prize 2020

A sterilization method that uses a UVC lamp to eliminate viruses and bacteria is described.

How to sterilize the masks from COVID19 and beyond

Giovanni Carrera

This project uses the Arduino PWM Uno or other systems to realize a fully isolated analog output with a range of 0-5 volts or more.

An isolated analog output for Arduino Uno

Giovanni Carrera

Projects I Like & Follow

In this project it is aimed to speed control a standard Pololu DC motor with encoder using software based PID controller.

DC Motor Speed Control with PID

The 2016 Hackaday Prize

Got a Raspberry Pi ? A few more bucks turn it into a networked SPI Flash chip reader/writer

SPI Flasher

Yann Guidon / YGDES

Use cheap plastic fiber optics to make a useful Isolated Voltage probe for an oscilloscope or other instrument.

Fiber Optic Isolated Voltage Probe

This laser cutter is made of a wooden base and some metal rails. It's very cheap and uses RaspberryPi for all, data and control.

12V Lasercutter

Voltmeter Clock

Hackaday Prize 2019

Little Flash runs for twenty minutes, charges in ten seconds.

Little Flash

The 2015 Hackaday Prize

UP1 robotics platform, bringing robotics to everyone

UpDroid's UP1

Using LEDs and an ESP8266 to make a smart, futuristic Star Wars clock

The Clock Awakens

Alex Cordonnier

an arduino compatible gaming mouse with usb and bluetooth support

ArduMouse

Thomas Pointhuber

mDrawBot is a 4-in-1 drawing robot kit, it can be assembled into 4 different drawing robots: mScara, mCar, mSpider and mEggBot.

mDrawBot: 4-in-1 Drawing Robot

The 2015 Hackaday Prize

The kit development aimes at designing a universal training board that can cover a wide range of experiments

Comprehensive Laboratory Developme Kit for AVR MCU

A functional and beautiful clock, with dual analog meters to tell time.

Analog Voltmeter Clock

A Raspberry Pi based GSM router that allows you to route calls through a VPN connection into your home Asterisk PBX installation.

RPi GSM Router

Akif D. Akif D.

Using an Arduino UNO a 20x4 LCD display and an analogue skeleton movement to make a portable master clock.

LCD and Analogue Skeleton Clock

Get NOAA Weather Radio updates and post them to a MQTT topic

MQTT NOAA Weather Radio node

Sending electronic devices in the air for cheap.

Low altitude flying electronics

The 2015 Hackaday Prize

Very simple alarm to monitor someone who suffers from Alzheimer's disease at night

Alzheibuzzer

This future style Home Automation System is here to help simplify life without the hassle.

mrHAC

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