- Category:
- SCM
- Tags:
-
[Text]
- File Size:
- 5kb
- Update:
- 2012-11-26
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- Uploaded by:
- onion11
Description: Pricing after the car keys. Real-time clock, unit price, distance, and display the total price. Can be modified by the keyboard unit (yuan/
Km) and time. A clear key to clear the last cost. Use LCD display time, respectively, unit price, distance and cost. LED
Auxiliary display that do operate.
Main methods: theory is that price = speed unit of time using DC motor speed element to simulate the taxi speed, through the
Optical coupling A/D conversion rate of sampling, using a microcontroller timer/counter timing and counting, or LCD with LED digital tube
Show total price and time, and set the keyboard using the unit price and time.
Additional features: when the taxi speed below a set value, the automatic counting, when the time of 1 minute each, the price according to
According to 1 km length of the meter.
0 to 9 number keys
B: start pricing
C: Clear data
D: (P) set the unit price, press once, then press the number keys to set
E: (T) set ti
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