A Simple and Inexpensive Auto-Calibrating Multifunction Project (QEX July/August 2020) This is a menu driven multifunction project that includes a band switched two channel 110 kHz – 112.5 MHz VFO, band switched 6 – 2200 m WSPR source, 0 – 6.5 MHz frequency counter, and a clock that displays time, date, and temperature. Frequency and time accuracy are maintained by a highly accurate temperature compensated DS3231 real time clock (RTC) board.
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This is a menu driven multifunction project that includes a band switched two channel 110 kHz – 112.5 MHz VFO, band switched 6 – 2200 m WSPR source, 0 – 6.5 MHz frequency counter, and a clock that displays time, date, and temperature. Frequency and time accuracy are maintained by a highly accurate temperature compensated DS3231 real time clock .
ON6KB/QEX-July-August-2020-Multifunction-Project
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This is a menu driven multifunction project that includes a band switched two channel 110 kHz – 112.5 MHz VFO, band switched 6 – 2200 m WSPR source, 0 – 6.5 MHz frequency counter, and a clock that displays time, date, and temperature. Frequency and time accuracy are maintained by a highly accurate temperature compensated DS3231 real time clock .
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