Pymate-Analog - Revision history

Dodomi: /* About Analog Input */

2026-06-23T20:06:14Z

About Analog Input

← Older revision		Revision as of 22:06, 23 June 2026
Line 10:		Line 10:
	== About Analog Input ==		== About Analog Input ==

	Any of the ~~Inpur~~ pin can be switched from digital input to Analog Input.		Any of the Input pin can be switched from digital input to Analog Input.

	Analog Input can read the value of the DC voltage applied to the analog Input pin.		Analog Input can read the value of the DC voltage applied to the analog Input pin.

2026-06-23T20:04:59Z

About Analog Input

← Older revision		Revision as of 22:04, 23 June 2026
Line 10:		Line 10:
	== About Analog Input ==		== About Analog Input ==

	Any of the ~~output~~ pin can be switched from digital input to Analog Input.		Any of the Inpur pin can be switched from digital input to Analog Input.

	Analog Input can read the value of the DC voltage applied to the analog Input pin.		Analog Input can read the value of the DC voltage applied to the analog Input pin.

2026-04-30T21:34:34Z

Example

← Older revision		Revision as of 23:34, 30 April 2026
Line 73:		Line 73:
	Make the '''IN3''' acting as ADC INPUT in range 0..10 Volts (raw value in 0..65535).		Make the '''IN3''' acting as ADC INPUT in range 0..10 Volts (raw value in 0..65535).

	Light the ~~Output~~ 1 to 8 depending on voltage ~~read~~ (from 1..8 LEDs for 1V to 8V).		Light the outputs 1 to 8 depending on the current voltage on IN3 (from 1..8 LEDs for 1V to +8V).

	Also display the voltage value on REPL every half second.		Also display the voltage value on REPL every half second.
Line 100:		Line 100:
	value = i3.read_u16()		value = i3.read_u16()

	~~for~~ idx, ~~out in enumerate( outputs~~ ): # idx from 0 to n-1		# enumerate returns a tuple (idx, object).
			# idx is in the range from 0 to n-1 objects.
			for idx, out in enumerate( outputs ):
	v = i3.read_volts()		v = i3.read_volts()
	out.write( v > idx+1 )		out.write( v > idx+1 )

	# Display ADC value ~~twice each~~ second		# Display ADC value every half second
	if timeout.expired:		if timeout.expired:
	print( "ADC : %.2f volts" % v )		print( "ADC : %.2f volts" % v )

2026-04-30T21:30:33Z

Example

← Older revision		Revision as of 23:30, 30 April 2026
Line 80:		Line 80:
	This example use the {{fname\|TimeoutTimer}} class to avoids mainloop blocking while waiting an half-second.		This example use the {{fname\|TimeoutTimer}} class to avoids mainloop blocking while waiting an half-second.

	Usage of TimeoutTimer will be detailed in the [[Main_Page#Common_use-cases\|common use-case]] tutorials.		Usage of {{fname\|TimeoutTimer}} will be detailed in the [[Main_Page#Common_use-cases\|common use-case]] tutorials.
	}}		}}

2026-04-30T21:29:11Z

Example

← Older revision		Revision as of 23:29, 30 April 2026
Line 71:		Line 71:
	== Example ==		== Example ==

	Make the ~~In3~~ acting as ADC INPUT in range 0..10 Volts (raw value in 0..65535).		Make the '''IN3''' acting as ADC INPUT in range 0..10 Volts (raw value in 0..65535).

	Light the Output 1 to 8 depending on voltage read (from 1..8 LEDs for 1V to 8V)		Light the Output 1 to 8 depending on voltage read (from 1..8 LEDs for 1V to 8V).

			Also display the voltage value on REPL every half second.

			{{dbox-gray\|{{underline\|'''Note:'''}}<br />
			This example use the {{fname\|TimeoutTimer}} class to avoids mainloop blocking while waiting an half-second.

			Usage of TimeoutTimer will be detailed in the [[Main_Page#Common_use-cases\|common use-case]] tutorials.
			}}

	<syntaxhighlight lang="python" line>		<syntaxhighlight lang="python" line>
Line 84:		Line 92:

	outputs = []		outputs = []
	for idx in range(1,9): # 1..8		for idx in range(1,9): # iterate from 1..8
	outputs.append( PymateIO( "OUT%i" % idx, Pin.OUT ) )		outputs.append( PymateIO( "OUT%i" % idx, Pin.OUT ) )

2026-04-30T21:16:59Z

Getting voltage

@@ Line 51: / Line 51: @@
 Which displays values between 0 and 65535 in the REPL.
-== Getting  voltage ==
+=== Getting  voltage ===
 This second example return the ADC value in Volts.
@@ Line 69: / Line 69: @@
 </syntaxhighlight>
 {{PYMATE-TRAILER}}

2026-04-30T21:11:28Z

Coding : voltage

← Older revision		Revision as of 23:11, 30 April 2026
Line 51:		Line 51:
	Which displays values between 0 and 65535 in the REPL.		Which displays values between 0 and 65535 in the REPL.

	==~~= Coding :~~ voltage ===		== Getting voltage ==

	This second example return the ADC value in Volts.		This second example return the ADC value in Volts.

2026-04-30T21:10:38Z

Coding : raw value

← Older revision		Revision as of 23:10, 30 April 2026
Line 33:		Line 33:
	[[File:pymate-adc.png\|640px]]		[[File:pymate-adc.png\|640px]]

	=== ~~Coding :~~ raw value ===		== Coding ==
			=== Getting raw value ===

	The following example query the state if imput 3 and displays the results on the REPL session.		The following example query the state if imput 3 and displays the results on the REPL session.

2026-04-30T21:10:00Z

Analog Input

← Older revision		Revision as of 23:10, 30 April 2026
Line 8:		Line 8:
	The Pymate boards are drawed without connectors to avoids parallax shift. The real board are fitted with the connectors.		The Pymate boards are drawed without connectors to avoids parallax shift. The real board are fitted with the connectors.

	== Analog Input ==		== About Analog Input ==

	Any of the output pin can be switched from digital input to Analog Input.		Any of the output pin can be switched from digital input to Analog Input.
Line 29:		Line 29:
	Pymate ADCs have 12 bits resolution meaning that maximum accuracy is 2.44 mV (10 Volts / 4095).		Pymate ADCs have 12 bits resolution meaning that maximum accuracy is 2.44 mV (10 Volts / 4095).

	=== Wiring ===		== Wiring ==

	[[File:pymate-adc.png\|640px]]		[[File:pymate-adc.png\|640px]]

2026-04-30T20:42:03Z

Coding : voltage

← Older revision		Revision as of 22:42, 30 April 2026
Line 54:		Line 54:
	This second example return the ADC value in Volts.		This second example return the ADC value in Volts.

	~~Notice~~ the "%.2f" formatting ~~reduce~~ the displayed value to 2 decimal digits (making the reading more comfortable).		Note the "%.2f" formatting that limits the displayed value to 2 decimal digits (making the reading more comfortable).

	<syntaxhighlight lang="python" line>from pymate.pymateio import PymateIO		<syntaxhighlight lang="python" line>from pymate.pymateio import PymateIO