Pic 16f628 ve asm ile yapılan dijital saat projesinde harici saat entegresi yerine 32768 kristal kullanılarak zaman bilgisi edinilmiştir. Ayrıntılar burada. (more…)

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Here is a description of a simple Lowfer beacon transmitter. The transmitter crystal in my prototype is a third overtone 52.5 MHz unit that is run in fundamental mode. The CPU clock can be taken from the transmitter frequency divider if you want the keying to be synchronized to the carrier. (more…)

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