IR Receiver Board Frequency select Exposure control Intensity output am plifier selector Tuning circuit Exposure C ontrol Resetto detector#0 sensitivity 0 1 2 3 4 5 6 7 counter 8 4 2 1 reset count Infrared detectors VEX C ontroller AD1 A D 14 A D 15 A D 16 Circuitboard Side view Top V iew Longerlead Board edge
IR Receiver Board. Global Variables Main() for GOTO_Beacon Program Call three functions Note: you need to change freq for the beacon you want to find!
Dec 21, 2015
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
IR Receiver Board
Frequency select
Exposure control
Intensity output amplifier
selector
Tuning circuit
Exposure Control
Reset to detector #0
sensitivity
0 1 2 3 4 5 6 7
counter 8 4 2 1 reset
count
Infrared detectors VEX
Controller
AD1
AD14
AD15
AD16
Circuit board
Side view Top View
Longer lead
Board edge
GlobalVariables
Main() for GOTO_Beacon Program
Call three functions
Note: you need to change freq for the beacon you want to find!
amplifierTuning circuit
From previous stage
1kHz To next stage
Beacon Frequency Selection(filter)
AD14Freq select (0=1kHz, 1=10kHz)
Read_PD() Function
1
1
0
0
Infrared Detectors
Selector
1
10
To next stage
counterLEDs
1kHz
AD16 Counter reset
AD15 pulse
IR Detector Selection
1
1
0
Count output set to zero
Get ready to count
Increment count (0 to 1 transition)
amplifierTuning circuit
From previous stage
1kHz To next stage
Beacon Frequency Selection(filter)
AD14Freq select (0=1kHz, 1=10kHz)
Exposure Control Circuit
AD15
From previous stage
To AD1
(VEX Analog input)
Amplifier
1 Clear ‘film’ (discharge C14)
0 Open ‘shutter’ (allow C14 to charge)
expose_and_read() Function
Main() for GOTO_Beacon Program
Find maximum intensity
find_max() Function
Main() for GOTO_Beacon Program
Move the robot
Move() Program
limit_pwm() Program
Related Documents
