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picaxe readadc command
picaxe manual 1
picaxe 08m2 readadc
picaxe read input pin
picaxe 08m2 adc
picaxe analog input
picaxe analog to digital
picaxe adc resolution
Note that not all inputs have internal ADC functionality - check the pinout diagrams for the PICAXE chip you are using. On X2 parts you must use the ADC channel, not the pin number, in the readadc command (e.g. readadc 0,w1 NOT readadc A.0, w1). The readadc10 command can be used for higher resolution. Applies To:
BASIC COMMANDS (ES) revolution (c) Revolution Education Ltd. Email: info@rev-ed.co.uk Web: wwwrev-ed.co.uk. Version ES1.0 01/2007. 1. 1 wwwpicaxe.co.uk. Contents (ES). Introduction. .. readadc10 (leeradc10) . .. This manual was prepared using the 'enhanced compiler' in version 5.0.4 of the. Programming
Name: adcsetup; Syntax: {LET} adcsetup = channels. Channels - is the number / mask of ADC to enable. Description: On M2, 28X2, 40X2 parts the appropriate adcsetup bit is set automatically by the readadc/readadc10/touch command. Therefore on these parts the only real use of adcsetup is to change a pin back from
Note that this command is not available on 28X2-5V/40X2-5V. The reference voltage used by the PICAXE microcontrollers ADC reading (readadc/ readadc10) commands is the supply voltage. In the case of a battery powered system, this supply voltage can change over time (as the battery runs down), resulting in a varying
9 Jun 2012 Well, here's another one pasted from page 171 of Picaxe_Manual2.pdf titled 'Basic Commands'. main: readadc10 C.4,w1 ; read value into b1 debug ; transmit to The mosts pertinent information I could find was on page 109 of manual 1 but even that explanation fell short of your excellent description.
Note that this command is not available on 28X2-5V/40X2-5V. The reference voltage used by the PICAXE microcontrollers ADC reading (readadc/ readadc10) commands is the supply voltage. In the case of a battery powered system, this supply voltage can change over time (as the battery runs down), resulting in a varying
This second section provides the syntax (with detailed examples) for all the BASIC commands supported by the PICAXE system. It is intended as a lookup reference guide for each BASIC command supported by the PICAXE system. As some commands only apply to certain size PICAXE chips, a diagram beside each
The readadc10 command is used to read the analogue value from microcontrollers with 10-bit capability. Note that not all inputs have internal ADC functionality - check the pinout for the PICAXE chip you are using. As the result is 10 bit a word variable must be used - for a byte value use the readadc command instead.
The default Vref+signal for the ADC is the power supply (V+) and the default Vref- signal is 0V, so the analogue voltage range is the same as the power supply to the PICAXE chip. However, if desired, the Vref signals can be altered to external pins instead by using the adcconfig command. PICAXE X2 Parts
revolution (c) Revolution Education Ltd. Web: wwwpicaxe.com. All rights reserved. Version 7.9.2 10/2015. 1. 1 wwwpicaxe.com. IMPORTANT! This PDF is designed to be used with the shortcut links (document outline) visible on the left hand side. Displaying these links makes it much easier to navigate through this manual!
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