Ali Abdullah
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smart led using ldr
main.cpp@0:a389993672d8, 2022-04-26 (annotated)
- Committer:
- gkali
- Date:
- Tue Apr 26 06:55:26 2022 +0000
- Revision:
- 0:a389993672d8
smart led using ldr;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
gkali | 0:a389993672d8 | 1 | /* mbed Microcontroller Library |
gkali | 0:a389993672d8 | 2 | * Copyright (c) 2019 ARM Limited |
gkali | 0:a389993672d8 | 3 | * SPDX-License-Identifier: Apache-2.0 |
gkali | 0:a389993672d8 | 4 | */ |
gkali | 0:a389993672d8 | 5 | #include "delay.h" |
gkali | 0:a389993672d8 | 6 | #include "mbed.h" |
gkali | 0:a389993672d8 | 7 | #include "TextLCD.h" |
gkali | 0:a389993672d8 | 8 | DigitalOut myled(D13); |
gkali | 0:a389993672d8 | 9 | AnalogIn sensor(A0); |
gkali | 0:a389993672d8 | 10 | DigitalOut Relay(D9,1); |
gkali | 0:a389993672d8 | 11 | int flag=0; |
gkali | 0:a389993672d8 | 12 | TextLCD lcd(PA_8,PA_1,PA_4,PB_0,PC_1,PC_0); |
gkali | 0:a389993672d8 | 13 | int main() |
gkali | 0:a389993672d8 | 14 | { |
gkali | 0:a389993672d8 | 15 | |
gkali | 0:a389993672d8 | 16 | while (1) { |
gkali | 0:a389993672d8 | 17 | |
gkali | 0:a389993672d8 | 18 | printf("light(%f)",sensor.read()); |
gkali | 0:a389993672d8 | 19 | if(sensor.read()>0.8) { |
gkali | 0:a389993672d8 | 20 | lcd.cls(); |
gkali | 0:a389993672d8 | 21 | |
gkali | 0:a389993672d8 | 22 | flag=1; |
gkali | 0:a389993672d8 | 23 | myled =1; |
gkali | 0:a389993672d8 | 24 | Relay=0; |
gkali | 0:a389993672d8 | 25 | |
gkali | 0:a389993672d8 | 26 | lcd.locate(3,0); |
gkali | 0:a389993672d8 | 27 | lcd.printf("its Dark"); |
gkali | 0:a389993672d8 | 28 | lcd.locate(3,1); |
gkali | 0:a389993672d8 | 29 | lcd.printf("LED ON"); |
gkali | 0:a389993672d8 | 30 | |
gkali | 0:a389993672d8 | 31 | |
gkali | 0:a389993672d8 | 32 | } else { |
gkali | 0:a389993672d8 | 33 | myled=0; |
gkali | 0:a389993672d8 | 34 | Relay=1; |
gkali | 0:a389993672d8 | 35 | // lcd.cls(); |
gkali | 0:a389993672d8 | 36 | lcd.locate(3,0); |
gkali | 0:a389993672d8 | 37 | lcd.printf("its Light"); |
gkali | 0:a389993672d8 | 38 | lcd.locate(3,1); |
gkali | 0:a389993672d8 | 39 | lcd.printf("LED OFF"); |
gkali | 0:a389993672d8 | 40 | // lcd.cls(); |
gkali | 0:a389993672d8 | 41 | } |
gkali | 0:a389993672d8 | 42 | delay_ms(500); |
gkali | 0:a389993672d8 | 43 | } |
gkali | 0:a389993672d8 | 44 | } |
gkali | 0:a389993672d8 | 45 |