IZ7007

1

Circuit for electron pedometer - ergmeter

Short characteristics

Functions performed:

-

5 functions for counting time and calendar with indication of hours, minutes, seconds,

month, date ,

-

count the quantity of steps by means of evaluation and counting pulses from external

sensor ;

-

count and indication of steps, calories, kilometers , miles during current day and night

(mode «DAILY STEPS COUNTER»);

-

summing up at changing 24 hours, steps , calories, kilometers , miles with values

stored previous ( mode «TOTAL STEPS COUNTER»).

Features:

-

imbed in chip element of quartz generator with operating frequency of 32768 Hz,

capacity, resistor, and voltage doubler;

-

operation from one battery with the voltage of 1.5V, low consumption power;

-

availability of circuits of contacts bracing suppression on buttons inputs;

-

frequency of registered pulses from external sensor at counting steps is no more than

6Hz at duration of time between the end of previous and beginning of counted pulse no

less than 100 ms;

-

conversion of quantity of steps into calories , kilometres and miles according to the

following ratios:

(10 steps

= 0.24 calorie

= 0.0073 klm

= 0.0045 mile ;

1000 steps = 24 calorie

= 0.73 klm

= 0.456 mile );

-

indication of distance in miles and kilometers starting from 0.001, calories, starting

from 0.1.

Operating temperatures range

operating temperatures range from -0 to +70

°С.