12
LM35 Thermometer
Thermometer LM35 allows to measure an environment`s temperature and display it on seven-
segment LEDs or on LCD display.
Figure 11. LM35 Implementation
RTC DS1307
The board has one real time clock with accumulator 3V6 (The board can be also supply form
accumulator). The clock communicates with the micro through the I2C interface. All the connections
needed for controlling the DS1307 circuit are brought out to the RTC pin header. The accumulator pin
is also placed on the header.
Figure 12. RTC Implementation
Summary of Contents for CY8C21 Series
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