Elenco Snap Circuits SnapMicro ® I Standard - Manual (Page 55)

54
readadc
Syntax:
READADC channel,variable
- channel is a variable or a constant that sets the input pin (1,2,or 4)
- variable is the name of the variable that holds the converted data.
Function:
Read the ADC channel (8 bit resolution) contents into variable.
Information:
The readadc command is used to read the analogue value from the micro-controller input pins 1, 2, or 4.
The readadc command converts this value to an 8-bit variable. An 8-bit resolution analogue input will
provide 256 different analogue readings (0 to 255) over the full voltage range (e.g. 0 to 4.5V). Note that
not all inputs have internal ADC capability. Use the readadc10 command to read the full 10-bit value.
Convert to Basic,
Program:
main:
readadc 1, b0
w1=b0*4
high 4
pause w1
low 4
pause w1
goto main
Enter the flow chart shown here into the program editor then build the circuit
shown on the next page.