Giovanni Carrera commented on Only Three Pins for a 4x3 Keypad

2 months ago

You will find more details and also other examples of keypads in my blog: ardupiclab.blogspot.com

Giovanni Carrera followed Federico Guidi

2 months ago

Giovanni Carrera published Only Three Pins for a 4x3 Keypad

2 months ago

Giovanni Carrera commented on How to modify analog output range of Arduino Due

2 months ago

In the text I clearly explain that the goal is to extend the output range to 0 .. 3.3 V. The DAC converter of Arduino DUE generates as m...

Giovanni Carrera commented on How to modify analog output range of Arduino Due

2 months ago

Hi, C2 is a by.pass capacitor to reduce noise.

Giovanni Carrera commented on How to modify analog output range of Arduino Due

3 months ago

For an output voltage of 8V you must use an operational amplifier power supply (pin 8) of at least 10V. You must have a gain G = 8 / 2.2 ...

Giovanni Carrera commented on OMEN Bravo

5 months ago

Hi Martin,
The return to the past time! My first microcontroller system was the KIM1, with 1k of ram, in 1979. I developed systems with t...

Giovanni Carrera commented on 4-20 mA current output for Arduino Due

a year ago

Hi Bartolo,
first of all you have to measure the voltage across the load, the actuator in your case, both for an output of 4 mA and 20 mA...

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Giovanni Carrera commented on How to modify analog output range of Arduino Due

a year ago

Hi Dave,
I designed this system to replace an analog PID, also designed by me. But then I never made the digital PID with Arduino Due, be...

Giovanni Carrera commented on How to modify analog output range of Arduino Due

a year ago

Hello Dave,
I apologize because I had not noticed this inconvenience and you are the first to notice this. Now I set the figure, on my bl...

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