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Results tagged with analogread
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user 3879
A standard Arduino function for measuring the voltage on an analog pin via ADC.
5
votes
UNO analog input voltage reading not accurate
Your question contains a number of errors and misconceptions.
Firstly the maximum output of a successive approximation ADC (here 0x3ff) corresponds to Vref - 1 LSB
The voltage will thus be sensorValu …
- 1,645
5
votes
Can I connect a PWM pin on one Arduino to an analog input on another?
It is possible, but not the best idea. The analog inputs require a reasonably stable input - this can be achieved with a RC filter to smooth the PWM output. This would work for reasonably slow data ra …
- 1,645
2
votes
Is it wise to use analog input pins to read digital buttons?
If you have no use for analog pins there is no problem. A5/A6 are used for I²C (on the Uno).
- 1,645