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Bad Ragaz Fuzz - Germanium Fuzz pedal
Here i present a Germanium Fuzz Pedal I've recently build.It happens that a friend of mine was about to throw away a late 60's record player. This record player was in his old house, the case of the...
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Guitar pickup wax potting
I've a telecaster copy by Tradition Guitars, it's a tobacco sunburst from 2005 and it sounds pretty good for the price.Times ago i shift the default ceramic pickup with a set of Alnico 5 Vintage Plus...
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HX711 load cell amplifier library for AVR ATmega
HX711 is a precision 24bit ADC IC designed for weigh scales and industrial control applications to interface directly with a bridge sensor.A load cell is a transducer that is used to create an...
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D01: 2*15W guitar amplifier built using salvaged parts
-- ref 2013 --The D01, litterally Discarica 01, is a guitar solid state amplifier build from salvaged parts.Speakers are from a ready-to-be-trashed TV, the wooden case is something laying around here...
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AVR ATmega UV meter using ML8511
This device is a UV meter built on top of an ATmega8 microcontroller and a ML8511 UV sensor.It measures UV light intensity and the UV index.The ultraviolet index or UV index is an international...
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Use a MCP4728 DAC with AVR ATmega
The MCP4728 device is a quad channel, 12bit voltage output DAC. It also has EEPROM embedded.The DAC is driven using the I2C interface.This library implements an ATmega driver for this IC.The selected...
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My Ruby Amp Bassman mod small bass amplifier
The Ruby Amp it's a small instrument amplifier based on the LM386 IC.Original circuit can be found in the http://www.runoffgroove.com/ruby.html page.Basically this amplifier is composed by an N-Channel...
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Drive an MCP49XX series DAC with an AVR ATmega
A digital-to-analog converter (DAC) is a system that converts a digital signal into an analog signal.The MCP4901, MCP4902, MCP4911, MCP4912, MCP4921, MCP4922 are DAC converters by Microchip.They have 1...
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Linux Mint on Z83-F Intel Atom X5-Z8350 mini PC
The Z83-F is a mini PC from Minis.It has 4GB of memory and 64GB of flash storage, the CPU is Intel Atom X5-Z8350. Speaking of connectivity, it has a pair of USB 2.0 ports, a single USB 3.0 port, an...
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WiiPoser: a Wii Nunchuck + led matrix + pan/tilt servo laser pointer frame
- ref 2013 -WiiPoser is Wii Nunchuck + led matrix + pan/tilt servo laser pointer frame.I've build this frame to test the Wii Nunchuck library years ago.Nunchuck is a wii 2-axis joystick, two buttons...
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An ATmega brushless sensorless motor driver v02
Brushless electric motor (BLDC motors) are synchronous motors that are powered by a DC electric source via an integrated inverter/switching power supply, which produces an AC electric signal to drive...
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An ATmega brushless sensored motor driver v02
Brushless electric motor (BLDC motors) are synchronous motors that are powered by a DC electric source via an integrated inverter/switching power supply, which produces an AC electric signal to drive...
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AVR Brushless motor driver PWM scheme samples
A three-phase brushless motor it is usually drive by six-state commutation step sequence.The commutation sequence drive the motor coils in order to make it spin.The picture above represent a standard...
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D03: the "LESA Boogie" guitar amplifier
I've built this guitar amplifier from a 50's turntable with speakers.This turntable was built by LESA (Laboratori Elettrotecnici Società Anonima), which sounds like Electrotechnical Laboratories of an...
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3 kind of Ruby Amp: Standard, Bassman and Hiwatt with distortion mod
I've introduced you the Ruby Amp here http://davidegironi.blogspot.com/2019/08/my-ruby-amp-bassman-mod-small-bass.html when I was talking about my bass amplifier 1W amp.The Ruby Amp is a small guitar...
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NRI G-13.mft parallel coin acceptor to Serial adapter
The NRI G-13.mft by Crane (https://www.cranepi.com/) is a versatile and high secure coin validator.It can be programmed using the propretary WinEMP software and PC interface, or event it has some DIP...
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AppDressBook: Address Book app that synchronizes contacts using a custom API...
AppDressBook is an Address Book app that synchronizes contacts using a custom API server.It is useful for companies or associations that's want to share contacts using a unique application.They just...
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My Score Keeper: a simple app to track score of your games
My Score Keeper is a simple app that allows your track score of your games.You can add multiple Games, each games may have many Match and each match many Rounds. You can add as much Players as you...
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Homemade PCB Cutting Machine
Here i present you my homemade PCB Cutting Machine.It's a simple DIY project to build, there are just a few key points to watch out for.This Cutting Machine it's based on a drill 12V DC motor. I've a...
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BLDC motor driver v02 speed test
In my last video about the new BLDC driver I've written you can find here http://davidegironi.blogspot.com/2019/12/an-atmega-brushless-sensorless-motor.html, I was talking about testing other...
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