IotHAL
This application connects the IotModule with high-level software, via WiFi. You can read the sensors and motors to move the radio. Then it opens up possibilities of control that the USB cable made uncomfortable or impossible. the IotModule (based on ESP32) are easily programmable with Arduino, to add new features.
Theremino IotHAL

Theremino SlotViewer
The Theremino system modular applications communicate through the Slots. The Viewer displays the SLOTS status and allows you to adjust them manually.
SlotViewer – Modularity Communications HAL SLOT

Theremino SlotsOverNet
This application connects the multiple PC slots connected to the local network, also via WiFi (and in the future through the Internet).

Application easy to use but very useful and efficient. The list, with syntax checking, also accepts configuration commands and is scalable up to many hundreds of Slots.

SlotsOverNet – Modularity Communications HAL SLOT

Theremino Buttons
With this application you can create control panels to use with your Mouse or with Touch Screen.

You learn quickly to change colors, the size of the buttons and to set them on one or more files. Just type the text you want to appear on the buttons and some other simple command to a text file.

You can use various functions including controlling Motors giving the destination and speed.
Theremino_Buttons

The audio signal to slots
This application receives the audio signal, from the windows mixer or microphone.
Theremino_AudioInput – Psycoball – Lightcontrol

Psychedelic applications
Theremino AudioInput signals and RGB Theremino can drive all kinds of appliances psychedelics.
Psycoball – Youtubevideo – Wall Washing

Simon Game
The hit game "Simon Says" Constructible with four LEDs, four wires and a little’ of tape.
Theremino Simon Game

Led lighting strips
Simple adapters, buildable even on sideburns mille-holes, can drive led strips. You get a very efficient lighting and any shade of color.
Strisce_di_Led

Paired photos from relay 3 KW
This relay can switch on and off large loads, such as furnaces and boilers. And it also works well with inductive loads such as motors, Transformers and large electromagnets. Theremino Optotriacs

Sensors
Theremino the system is also a collection of the best sensors. From simple temperature sensors, the photomultiplier tubes for the Gamma spectrometry, grouped by topics: Hardware_Inputs

Adapter for CNC
In the past the cutters were controlled by Mach3 or LinuxCNC, through the parallel port. With this simple adapter, You can use the machines still designed for parallel, with all the benefits of the USB connection.
CncAdapter – Theremino_CNC – Steppers

Adapter for laser diodes
A CNC milling machine equipped with diode laser, can cut some thin materials. But the most suitable processes are the engravings in wood. With the ImgToGcode application you can also transform photographs into GCode and enjoy beautiful engravings.
LaserAdapter – Theremino_CNC – ImgToGcode

Temperature sensors
With Theremino the system is difficult to measure and stabilize temperatures. The dirty work they do the application HAL and the firmware that's on Master, so with just a few lines of software you can build laboratory thermometers and thermostats, tailored to your needs.
TempController

Theremino_CNC – CncAdapter – LaserAdapter

Theremino Cobot

Control mechanisms and collaborative robots in a simple and intuitive way: Theremino_Cobot

And we've also written applications for communication with engines.: Theremino_Motors

Theremino QR Codes
Two applications Theremino QRcode and Theremino QRdecoder, they encode and decode all types of QRcode (square labels) and BarCode (barcodes). Fifteen different types of codes can be used, four QR codes and eleven barcodes, of which three alphanumeric and eight numeric. Theremino_QR_Codes

Robotics
Robotics also includes achievements without articulated arms. This, for example,, It is the basis of ultrasonic radar das Riboni, a very active Robotics Maker.
Robotics – ThereminoAutomation

Theremino ReleSequencer
With this small application you can create sequences to control relays, or generic output signals with which to drive all sorts of on/off type actuators. The special feature of this solution is to be able to drive a large number of outputs, even far away, using only three output pins of a Master, or an Arduino, or NetModule.
ReleSequencer – Relay Switcher

Synthesizer Theremin
This app works even without hardware. Download it and try it now the quality of the sounds. You can compose your hardware and software configurations, impossible for any commercial Theremin. ThereminSynth – Blog –
Video_PolyTest – Video_FlangyArp

3D theremin
Are Open Source files to print the Theremin with 3D printers. The design is all Italian, twenty years ahead, than traditional Tin-made Theremin. Kapton antennas, protect internal circuitry from static discharge, up to 20 thousand volts. Kapton_3Dfiles

Midi Watcher The same is also home to the ThereminSynth MidiWatcher downloads, a small handy application to control MIDI data and communications.
MidiWatcher

Transmit sound and music by Laser
This project can transmit an audio signal over long distances. The audio quality is perfect and very simple construction.
LaserAudio

CV-Gate adapter for analog synths
Any release of Theremino System, can be transformed into a control voltage. The old synths, so vintage by not having even a MIDI connector, can be controlled with this little adapter. PwmToCV

Piezoelectric sensors
Piezo disks costing a few cents and are great for many applications. You mainly use for percussion but can drive synthesizers sound too, operate by buttons or even from vibration detectors or accelerometers.
Sensori_piezoelettrici – Theremino_PiezoDrums

PiezoDrums
A table that sounds better than the real ones. Theremino_PiezoDrums – SuperDrumFX – Sensori_piezo
Demo1 – Demo2 – Demo3 – Demo4
Video_1 – Video_2 – Video_3 – Video_4

Sync Mode
Play real music with six keys.
Impossible but true.
SyncMode – Sensori_piezo
Demo1 – Demo2 – Demo3

Drum and percussion synthesizer
SuperDrumFX is a freeware VST. The best existing battery and percussion synthesizer. The sound is professional, comparable to that of the most expensive commercial systems and probably even better.
SuperDrumFX – Sensori_piezo –
Theremino_PiezoDrums

Music Keys
This small application sends the keystrokes from the PC keyboard, to the slot. With MusicKeys you can try the Theremin's polyphonic Synth modes, even without hardware.
Music_Keys

Sound Player
This application was created to multimedia installations and artistic works but can be used by all applications, through the slots. The possibilities are limited only by imagination. SoundPlayer – Blog – enniobertrand – tiktaalik – Ennio – Youtubevideo – Youtubevideo

Video Player
This application was created to multimedia installations and artistic works but can be used in many ways. Interaction with other components of the system takes place through the slots and the possibilities are only limited by imagination.
Videoplayer – Blog – enniobertrand – LioFor30

Media Player
This application is less flexible than the previous “Video Player”, but can display each video format, even with sound. As well as animated GIF images, JPG and BMP images and even MP3 or WAV for audio only.
MediaPlayer – Blog – enniobertrand – LioFor30

Audio Generator
This function is always missed, on all operating systems and programming languages. Even experienced programmers will find it difficult to implement it. With this application, generate signals made easy, as he always had to be.
Audio_Generator

Audio Examples
Playing a file with precooked functions of the system is easy, But having total control over sounds, handling individual samples is another matter. Here are the basic functions for audio input and output. As well as a high quality spectrum analysis and methods to create sounds, starting from scratch. With these basics you can build other applications. Audio_Examples

Audioanalyzer
This application scans spectrum of periodic signals coming from a sound card and writes on a number of slots to values measured at different frequencies and the calculated distortion rate.
Audio Analyzer

AudioRecorder
A sample application for recording and playback techniques on Windows. See also how to convert files in MP3 format. Can also be used as a recorder.
Audio Recorder

Theremino GPT
This application accesses OpenAI (GPT3 and GPT4) and also contains the application Speech_Dictation, for high-quality speech recognition and Azure neural voices that are indistinguishable from real human voices.
To know the details read this page:
Artificial intelligence

Theremino Dictation
This application was developed for Theremino GPT, but can also be used for other applications. For details follow these links:
Theremino Dictation Artificial intelligence

Theremino Player
This application has been developed to provide Theremino GPT with the ability to search and play any kind of music without hassles. You don't have to subscribe to Google Music or Alexa Music and ads are inexorably exterminated. To know the details follow these links:
Theremino Player Artificial intelligence

Slots to Speech
This is a handy application to be read numeric values. It can be used, for example,, to adjust a device without looking away from the set points for watching the screen.
Theremino_SlotsToSpeech

SlotText to Speech
This application is similar to the previous one but reads the SlotText instead of the numeric Slots. SlotText are written by new versions of Automation and some new applications (early months of 2022).
Theremino_SlotTextToSpeech

Voice
The Theremino system can also listen and speak. You can send voice commands, hear confirmation messages and be read passages of text.
Instead of complex HTML interfaces and web pages filled with controls, you could simply call home and say, for example,, “Serra”, “Vacuum cleaner”, “Lit”
ThereminoVoice

Theremino VideoColors
This application decodes colors over a great distance, even from many meters. Plus the tint (HUE) it changes very little with the variation of the light. A WebCam is used as a sensor, choosing it from the cheapest.
Theremino_VideoColors

View
A dedicated application for blind people.
For now only works with light objects on dark background. But we wanted to publish it as soon as possible, to make publicly available the principle of Visual Space conversion to sound space. So as to make it not patentable.
ThereminoView

Mindwave Bridge
This application acts as a bridge between the Mindwave and Theremino the system. The incoming data from the sensor and sent to slots, allow all kinds of interaction. For example, you could move the engines, on mental commands, or turn on led for Chromotherapy or induce relaxation self-feedback.
MindwaveBridge – ThereminoAutomation

Application for search of arrhythmias
This application is not a classic but ECG is designed specifically to highlight the frequency variations and arrhythmias. The graphics are stored in the archive file and you can browse them just in time. You can use both optical sensors that ECG sensors for classic Electro-Cardiogrammi.
Theremino ECG – Adapter_ECG – Adapter_OCG

Active electrodes for ECG and EEG without contact
Non-contact electrodes have many advantages, first of all the complete elimination of the galvanic connection with patient. Then security to 100%, without batteries or complicated power circuits.
Active electrodes – Blog

Theremino Dolfrang
Logger for Geology.
Application: Geology # dolfrang
Geophones: Geology-sensors # geophones
Accelerometers: Geology-sensors # lis344
GeoPreamp: geology_sensors # geopreampv4
Blog: blogs/geology

Geopsy
Viewing logs and seismic analysis.
Application: Geology # geopsy
Official site: www.geopsy.org
Blogs ' community of Geology ": references # dolfrang

Polls HV
In the area below the 5 Hz (region where the Geophones are more deficient), There are no components with lower noise. Polls HV obtained compete easily with professional appliances more expensive.
Geophones – GeoPreamp – ComunitàGeologia
– Geology – Blog – Downloads

Geomagnetic surveys
The cheap sensors products from Speakesensors (about thirty euros) can be connected directly (or with a simple adapter) the system Theremino. Minimum magnetic anomalies can be measured, for archaeology and geological surveys. Magnetometers – Geology – Blog – Downloads

Seismometers
With 3D accelerometers low noise (practically the only LIS344) You can watch over telluric movements until the Ritcher scale and zero even under. The measurement is done in 3D and with flat passband from zero to over 100 Hz. LIS344 – Accelerometers – Geology – Blog – Downloads

Geo-electrical surveys
A complete system for the geoelectrical is complex and inevitably very expensive. We then designed a modular system, that can be constructed DIY, with common components.
Geoelectrical – System – CommutazionePicchetti

Cercametalli
We are planning an SDM (Software Defined Metal-Detector). The principle is the same as for SDR radios, that is, reduce the hardware to a minimum, immediately convert the signal to digital and do all the processing in the software. The software can then be used to program the more complex discrimination functions, present only in metal detectors that cost thousands of Euros. MetalDetector

Pin Pointers
The Pin Pointer is needed as a complement to metal detectors, but unfortunately the good ones cost a lot and the cheap ones have disappointing characteristics. We have found simple and effective solutions to make cheap GP Pointers work with the same features as the more expensive models. PinPointers

Gamma Spectrometry
Theremino MCA clinched the top spot in the world rankings rapidly candid analyzers. Until a few years ago there was only the “PRA” (an Australian program) but now almost everyone uses Theremino MCA.
Theremino_mca – Blog – YouTube_Video – IsotopeMusicVideo

Adapter for photomultiplier tubes
To obtain the highest resolution possible impulses must be packed with precision. This adapter also has a low noise and works up to 1500 Volts with stabilized voltage.
A separate – AdapterNoise – SignalFilters

Geiger adapter
An adapter for geiger tubes with characteristics “extreme”. Works with all geiger tubes, feeds them with stabilized voltage and produces an output signal easy to count. Consumes so little that we can stay on continuously for many years with only one battery.
The geigeradapter – RadioactivitySensors

Geiger adapter DIY
This adaptor to geiger is easier to build. The only feature below the Geiger Adapter is the largest current consumption (few but against 10 UA).
GeigerAdapterDIY

Geiger adapter Flintstones
This version is simpler and uses only common components. The project can also be fitted on a Breadboard. The only features below is major Geiger Adapter current consumption (few but against 10 UA) and the largest printed circuit board. GeigerAdapterFlintstones

Checker
A micro-geiger with battery, buzzer, flashing led, Geigeradapter and Geiger tube. Everything can fit comfortably in a shirt pocket. Coupled with our GeigerAdapter may work for years, always on, with only one battery from 1.5 size AAA. ThereminoChecker

Ratemeter
Connects to ThereminoChecker when you want to make more precise measurements. Measure the CPM and classical scales x 1, x 10, x 100 and x 1000, as the faithful old Ludlum.
ThereminoRatemeter

Cosmic ray detector
The coincidence in time between the pulses of two geiger tubes indicates the arrival of a cosmic ray. Detector – Video

Continuous measurement of Radon
The advantages of this solution are the speed of measurement, the measure "continue" and won't bind to collection and measurement but does everything automatically and finally, ease of adjustment.
RadonIonChamber

Lightning Detector
There are very good networks and maps for Lightning. This detector has a different purpose, hear local lightning, often the networks do not report and measures approximate distance. The order is automatically disconnect sensitive equipment, until the end of the danger.
Theremino_LightningDetector

EMF meter
Unlike normal EMF meters, This unit has a logarithmic output, Why doesn't need a flow switch. Its high dynamics (about 80 DB) allows to measure, in one range, by weaker signals some uV/meter) up to stronger (tens of volts per meter).
Theremino_LogEmfMeter

Powder spectrometry
The common dust has worst effects of radiation and Radon. Simple sensors can measure the amount of dust and even distinguish the “fine particles”, which are the most dangerous, those medium-sized and large.
Dust Sensors

Meteorological sensors
Theremino the system can pick up signals from each sensor type, than standard meteorology, up to the strangest, as lightning detectors, environmental noise and dust. All buildable and fitted in “Diy”.
Meteorological Sensors

Images NDVI
Monitor your crops from above with the drones is getting cheaper. The application Theremino NDVI converts images that contain the blue and infrared, false-colour images, showing the health of vegetation. Theremino NDVI

Logbook from professional pilot of UAV
The UavPilotLog application updates the personal Loogbook of UAV pilot (Unmanned Aerial Vehicles). It is a specific application, they will use only professional riders, but it is also an example and a starting point for similar applications. And it's also a great example of how to send the coordinates in Google Earth and Google Maps. Theremino UavPilotLog

Theremino SignalDecoder
This application ’ decodes l morse, remote control coded signals and weather sensors.
Theremino_SignalDecoder

Oscilloscope and digital audio analyzer
A measuring instrument and testing for audio equipment. Includes a signal generator, a Spectrum Analyzer and an oscilloscope.
DigitalAudioAnalyser

Slot signals oscilloscope
This scope is a cross between a logger and a signal Analyzer. Its frequency range is limited to the signals traveling through the slots, but it can store and analyze in depth typical signals of automation.
SignalScope

Filter the signal with FIR algorithms
You can filter the incoming data from the sensors and signals that travel from one application to another. You can experiment and teaching demonstrations on FIR filters. Experiments on real data immunizes the disease “precise-mania” (too much mathematical theory and little practice that lead inevitably to overestimate certain aspects and neglecting other).
Theremino_Filters

Professional sound level meter
This sound level meter consists of two applications: AudioMeter and AudioElaboration that respect the ISO directives 226:1994 and ISO 226:2007. The system has been certified by Accredia and in some areas it provides even better performance than the most expensive sound level meters on the market, especially as regards the connectivity with the PC and the possibility of logging data on the Internet.
Theremino_Phonometer

Measuring the fixed residue of water
This application measures TDS which corresponds to the degree of mineralization of the water.
Theremino_WaterQuality

Measure voltage, current and power
This application focuses the best techniques for measuring the consumption of equipment connected to the mains and the power generated by the solar panels. The simple measurement circuits that we propose, They are adaptable to different full-scale, from a few volts to thousands of volts, and from a few amperes to thousands of amperes.
Theremino_PowerMeter

Antenna booster
This application displays the gain of an antenna with a three-dimensional figure that can be rotated and viewed from any direction. You can also optimize complex antennas like Yagi with many elements and choose what parameters are considered the most important.
AntennaOptimizer

WiFi Network Analyzer
Application very useful to locate the WiFi channel more free from disturbances. View channels and the data of all the neighboring networks and the strength of signals over time. It also serves to adjust the antenna in the best location.
Theremino_WiFi

LED calculator
A “Jolly” for measurements on LEDs. Facilitates conversions between units and helps design lighting systems and led array.
LedCalculator

Flow meter “Flicker”
To measure commercial appliances are expensive lamps flicker. But we can build one easily, spending ten euros or even less.
FlickerMeter

Battery capacity meter
This device measures the capacity of batteries of all types, from lithium ones, to which Alkaline, lead and nickel cadmium. You get maximum precision and a convenient LOG file. BatteryMeter

Tester for olive oil
Running the test on a small collection of oils of different quality, you learn to recognize the extra virgin olive oil. A good oil has fluorescence, characteristic color and transparency.
Theremino_OilMeter

Fluorometer for concentration of DNA
Some molecules acquire fluorescence dyes, When you bind to nucleic acid molecules. By measuring the fluorescence intensity can be traced to the concentration of nucleic acids present in the sample.
Theremino_DnaMeter

Doppler Radar – Speed instrument
This application measures speed of moving objects (people, drones, model aircraft, cars) microwave or Ultrasonic sensors.
Theremino_DopplerMeter

Theremino Logger
Build professional data logger you can now. How hardware just a Master. Spending anything more you can use a Adc24 and make high precision measurements. Theremino_Logger

Theremino SeriHAL
Theremino_SeriHal send to slots data from a serial port. Theremino_SeriHAL

Theremino Terminal
Serial terminal, that doesn't require installation and is simple to use. This application is like a Swiss army knife for this writer firmware.
Theremino_Terminal

Theremino ComByTCP
Connects serial ports (COM) between two PCs far apart.
Theremino_ComByTCP

Theremino Balance
This application makes the basic operation of a precision balance (Tara and calibration). Through an effective damping function measurements are very stable. Theremino_Balance

Wave Generator
This generator sends the output signal to a Slot, and not to the sound card as similar generators usually do. Fundamental waveforms are available and you can set the frequency and the output Slot.
Theremino_WaveGenerator

Wave Analyzer
This application runs the ’ spectrum analysis of periodic signals from a Slot and writes on a number of other slots to values measured at different frequencies and the calculated distortion rate. You use to analyze slow periodic signals, by the continuous (zero Hertz) up to a few tens of Hertz. Theremino_WaveAnalyzer

Theremino AdcTester
With the AdcTester you can control the gain, background noise and intermodulation between channels, both the Adc to 8 and 16 bit, and those in 24 bit.
The experts of the system Theremino can use it to make measurements on signals from various sensors.
Theremino_AdcTester

Theremino BalanceReader
for scales and other commercial appliances
This application is specific to the scales "HS-N". But it's also a great example, usable as a base, to connect other measuring instruments, the system Theremino. For example,, other models of scales, gauges, electronic dial indicators or any other device, connected to the serial port (RS232 or RS485).
Theremino_BalanceReader

PCBs with Eagle Eagle3D
Our libraries solve many problems of Eagle and Eagle 3D (at least for components normally used in your system Theremino)
Eagle_And_Eagle3D

Simulations with LTSpice
Our libraries complete the fantastic LTSpice with thousands of components divided into folders and alphabetically. This includes all commonly used diodes and transistors and electrical schematic symbols also have improved.
Theremino Libraries for LTSpice

Physics lab
A fantastic "open lab", where share technologies, materials, documentation and experiences, created by a group of "makers" passionate about science.
Physics Open Lab

Learning to program
Theremino is primarily a teaching system, Electronics design. But you also learn to program your PC with the most important languages (Basic, CSharp, Python and CPP). Download pages are available over 50 Open Source applications, with examples and solutions for all. From video, the music sounds, scientific instruments.
Applications – Hardware – Technical notes

An application to start
Some users would like to learn how to use Visual Studio, and they asked for a starting point. This application is very simple, but already allows access to slots, and with the slots you can do everything. Theremino_EmptyApp

An aid to taming Windows

This application is a collection of useful links that are commonly used and that are hard to find in other ways.

Theremino_WinHelper

Translating software
This app is unique, you won't find anything like it anywhere in the WEB.

Theremino_Translator

Extract text from images
Very useful application to live with Chinese objects and software.

Theremino_OCR

Upgrade to new versions
Application to update all your thereminic projects in a short time with the files of the new versions.

Theremino_Updater

DirectX 3D environments
Theremino3D is an educational application sample. A basis to deal with 3D, gravity and physics of solids. A collection of 3D techniques, simplified to the point of being almost usable. The best algorithms available to "do it yourself". Theremino3D

Custom controls for DotNet
The graphical controls "CustomControls" improve the common Windows controls. I'm available most forgotten by Microsoft and other properties studied by us, to make the controls more comfortable to use. CustomControls – SdrControls

Visual Studio Express
Recommendations for use of the fantastic Visual Studio environment, Microsoft offers free for education.
VisualStudioExpress – Tips for developers

DPM serial Protocol
The transmission protocol for single strand, designed by us, that allows auto-numbering and auto-recognition of types. Theremino the system is configurable, Thanks to this Protocol. DPM Serial Protocol

System Metrics
Application showing various properties of the operating system.

The programmers will find useful this application is for the values ​​it provides, both because it shows how to read this information.

SystemMetrics

Theremino MathHelper
This application, based on the powerful symbolic engine “Tungsten Alpha”, process math formulas, isolate variables and find solutions for complex formulas that are difficult to handle manually.

Mathematicians could also do without this application, But programmers will find it useful.
MathHelper MathTester CurveFitting

Cross-platform applications
The most important applications of the system Theremino work on Windows-XP, Windows-Vista, Windows-7, Windows-7-Starter and Windows-8, both 32 bit and 64 bits and also on Raspberry Pi, Linux, Android and Mac OSX. Requisiti_per software – Consigli_sul Blog – StandaloneApplications

UDP communication with OSC
OSC Protocol over UDP allows a flexible communication, both on the local network or through the Internet. With ThereminoOSC, Max/MSP, Processing and PureData you can connect seemingly incompatible hardware and operating systems. Without writing a single line of code. Theremino_OSC

Download and Upload via FTP
This application is an example of teaching but it is also very convenient to send and receive files in FTP. We use continually in the management of this website.
Theremino_FastFTP

Tools for programming
A mass of knowledge in bulk. All you cannot find a better location, ends here.
ProgrammingTools

Open Source Electronics
Projects and schemes, strictly Open Hardware and Open Source.
Schematics – Actuators – Adapters – Lightcontrol –
Sensors – Piezo – Light – Accelerometers – Geology –
Radioactivity – Gamma_Spectrometry – Biometry –
Weather – Software_Defined_Radio –
Dust_Spectrometry – Vintage_Synths CV/Gate

Theremino Helper
Small application that performs additional functions: Turning off your computer with the middle mouse button – Closing applications – CPU consumption – X/Y coordinates of the mouse towards the slots – Import data from bar-code readers and sending data to the slot. Theremino_Helper

Theremino WatchDog
This application disables mouse and keyboard when the computer is idle for some time. Very useful for those who must defend against mischievous beings of various kinds.

On the net you can find other similar applications, but none is specifically designed for defence from cats, Dogs & Birds. Theremino_WatchDog

Theremino KeyManager
This application allows you to use the capacitive buttons like normal keyboard standard. You can configure up to 255 keys. Work also special keys, mouse buttons, repetition and auto-repeat. Theremino_KeyManager – Video1 – Video2

Theremino GamePad
The GamePad could not fail! You can connect several GamePad, Joysticks and remote controls in any combination and number. This application is also a good example of programming (simple and efficient reading with Direct Input). Theremino_GamePad

Theremino DeviceManager
This is another programming example. Shows how to control system devices and may be useful to disable and enable fast. We use it to rehabilitate the network controller, When this site produces errors that block. Theremino_DeviceManager

PCB with adhesive copper tape
The copper tape adhesive you buy on eBay, cheap and great for shielding. You can make small printed circuit boards with scissors and, with much patience, even some-more. PCB with copper adhesive

Graphs and charts on the Covid19
This application explores in depth the data provided by the John Hopkins university and the Italian Civil Protection.

The data are updated every 24 hours and i comparative graphs show the differences between the various nations of the world and Italian regions. Covid19_Application

Recommendations for software and operating systems
Sistemi_di development
Tips for developers
Visual Studio
Tips
Optimizations
Theremino_Automation
Theremino_KeyTester

Measure the popularity index of sites
Alexa button (not a toolbar, but a convenient button), allows you to keep an eye on, the popularity of the sites, they visit. A great help during navigation (to avoid dangerous sites and Phishing). And also a contribution, Alexa statistics (free for all). Alexa Popularity Index