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TTL LED Clock and T&N clock

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TTL LED Clock and T&N clock

R
RODALCO2012

4 Views • Jun 05, 2012

Description

TTL 8 digit clock built with 7447, 7490 and 7400 IC's. Analogue CTW clock with separate seconds, T&N clock with schleichenden sekunden on synchronous motor. The minute pulses are obtained from a Bürk master clock

Keywords & Tags

#TTL #LED #Clock #CTW #time #electronics

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