barcode generator vb.net code Radio DTMF Controller (Figure 11-1) Parts List in Software

Encoder USS Code 128 in Software Radio DTMF Controller (Figure 11-1) Parts List

Radio DTMF Controller (Figure 11-1) Parts List
Code-128 Reader In None
Using Barcode Control SDK for Software Control to generate, create, read, scan barcode image in Software applications.
Generating Code 128 In None
Using Barcode generator for Software Control to generate, create Code 128 Code Set C image in Software applications.
U1 U2 U3 R1, R3, R6 CM8880 touch-tone encoder/decoder IC BASIC STAMP 2 (original) LM7805 5-V regulator 10-k
Decode Code 128 Code Set B In None
Using Barcode recognizer for Software Control to read, scan read, scan image in Software applications.
Generate Code 128C In Visual C#.NET
Using Barcode printer for Visual Studio .NET Control to generate, create Code 128A image in .NET framework applications.
1 4-W
Paint Code 128B In VS .NET
Using Barcode creation for ASP.NET Control to generate, create Code 128B image in ASP.NET applications.
Code 128 Code Set C Creator In .NET Framework
Using Barcode creator for .NET Control to generate, create Code-128 image in VS .NET applications.
resistor
Code128 Generation In Visual Basic .NET
Using Barcode generator for VS .NET Control to generate, create Code-128 image in Visual Studio .NET applications.
Paint EAN / UCC - 14 In None
Using Barcode maker for Software Control to generate, create GS1 128 image in Software applications.
158 RADIO DTMF TONE DECODER/CONTROL
UPC-A Supplement 2 Drawer In None
Using Barcode generator for Software Control to generate, create UPC-A image in Software applications.
Barcode Encoder In None
Using Barcode encoder for Software Control to generate, create barcode image in Software applications.
R2 R4 R5 R7 C1, C2, C3, C4 C5 C6 Q1 D1 S1 S2 RLY1 Miscellaneous
Printing Data Matrix In None
Using Barcode encoder for Software Control to generate, create Data Matrix 2d barcode image in Software applications.
Code 128 Code Set A Generator In None
Using Barcode creation for Software Control to generate, create Code 128 Code Set C image in Software applications.
100-k 390-k 3.3-k 1-k
Encoding ITF In None
Using Barcode creation for Software Control to generate, create ANSI/AIM I-2/5 image in Software applications.
Data Matrix Generation In Objective-C
Using Barcode creation for iPad Control to generate, create DataMatrix image in iPad applications.
1 1 1
Recognizing Barcode In .NET
Using Barcode reader for .NET framework Control to read, scan read, scan image in VS .NET applications.
Code 128B Recognizer In Visual Basic .NET
Using Barcode recognizer for .NET framework Control to read, scan read, scan image in VS .NET applications.
4-W 4-W
Code 128 Code Set A Generation In None
Using Barcode generator for Online Control to generate, create Code 128 Code Set C image in Online applications.
Code 39 Full ASCII Creation In Java
Using Barcode creation for BIRT reports Control to generate, create USS Code 39 image in BIRT reports applications.
resistor resistor resistor
Barcode Scanner In None
Using Barcode decoder for Software Control to read, scan read, scan image in Software applications.
European Article Number 13 Creation In None
Using Barcode generation for Microsoft Word Control to generate, create EAN 13 image in Word applications.
resistor
0.1- F 50-V disk capacitor 4.7- F 50-V electrolytic capacitor 0.2- F 50-V electrolytic capacitor 2N2222 npn transistor 1N4001 silicon diode SPST power switch Momentary pushbutton switch (normally open) 5 6-V DPDT relay (RadioShack) Male and female headers, PC board, speaker, 9-pin RS-232 connector
'decode2.bs2 ' " DECODE.BS2 " by Joe Altieri ' The "Listen" routine is based on Scott ' Edwards' DTMF_RCV.BS2 program. Pin 4 is the "register-select" ' pin ( 0=data ). Pin 5 is the R/W pin ( 0=write ). Pin 6 is the ' "chip-select" pin ( 0=active ). Contact Scott Edwards Electronics ' for CM8880 chips, DTMF programs, and circuit diagrams T var byte ' Received DTMF digit df var bit ' DTMF-received flag ds var INL.bit2 ' DTMF-detected status bit C var word ' Tones rcvd counter variable G var byte ' Sequence counter variable J var byte ' Table counter variable OUTL = %01111111 ' pin 7 low, pins 0-6 high DIRL = %11111111 ' set up write to 8880 (out) OUTL = %00011000 ' set up CRA; write to CRB high 6 ' low 6 to high 6 = "write" OUTL = %00010000 ' clear CRB; rdy/snd DTMF high 6 ' low 6 to high 6 = "write" DIRL = %11110000 ' set 4-bit bus to input high 5 ' set R/W to "read" Off: ' Off routine low 7 ' turn off output device Begin: ' Reset routine C=0 : G=0 : J= ' clear all variables to zero Listen: ' Listen for DTMF high 4 ' read status register low 6 ' activate chip-select pin df = ds ' store DTMF-det bit in flag high 6 ' de-activate chip-select pin if df = 1 then Lock ' if tone, then continue
Listing 11-1
Radio touch-tone decoder program.
RADIO DTMF CONTROLLER (FIGURE 11-2) PARTS LIST 159
goto Listen Lock: low 4 low 6 T = INL & %00001111 high 6 C=C+1 if C>2000 then Begin lookup T,["0234567800019000"],J J=J-48 if J=0 then Off if C=1 and J=1 then Key if C=2 and J=2 then Key if C=3 and J=3 then Key if C=4 and J=4 then Key if C=5 and J=5 then Key if C=6 and J=6 then Key if C=7 and J=7 then Key if C=8 and J=8 then Key if C=9 and J=9 then Key goto Listen Key: G=G+1 if C=9 and J=9 and G=9 then Relay goto Listen Relay: pause 800 high 7 pause 200 goto Begin
' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '
listen again Tone detected, test code get DTMF data (low rs pin) activate chip-select pin remove upper bits using AND de-activate chip-select pin increment tone counter resets >2000 wrong entries convert tone to string convert string to value wrong digit "reset" IF all digits are in the correct order, AND after only one attempt, THEN increment the sequence counter variable : "G" ...
listen again Sequence counter increment activate output device listen again Relay output routine wait time delay turn on output device wait time delay begin again
Listing 11-1
Radio touch-tone decoder program (Continued)
Radio DTMF Controller (Figure 11-2) Parts List
U1 U2 U3 R1, R3, R6 R2 R4 R5 R7 R8 CM8880 touch-tone encoder/decoder IC BASIC STAMP 2 (original) LM7805 5-V regulator 10-k 100-k 390-k 3.3-k 1-k 10-k
1 1 4-W resistor 1 4-W resistor 1 4-W resistor 1 4-W resistor
resistor
10-turn potentiometer
160 RADIO DTMF TONE DECODER/CONTROL
R9, R10 R11 C1, C2, C3, C5, C6 C4 C7 C8 C9 C10 Q1 D1 S1 S2 RLY1 Miscellaneous
5102.7-
resistor resistor
0.1- F 50-V disk capacitor 2.2- F 50-V electrolytic capacitor 10- F 50-V electrolytic capacitor 4.7- F 50-V electrolytic capacitor 100- F 50-V electrolytic capacitor 0.05- F 35-V disk capacitor 2N2222 npn transistor 1N4001 silicon diode SPST power switch Momentary pushbutton switch (normally open) 5 6-V DPDT relay (RadioShack) Male and female headers, PC board, speaker, 9-pin RS-232 connector
Copyright © OnBarcode.com . All rights reserved.