http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Fun for the electronics hobbyist & technician
Stereo Bargraph VU Meter ; DTMF Decoder ; ISD 1000A Voice Recorde ; Digital Audio Frequency Meter ; Temperature Detector ; TTL Counter ; Down Counter ; ICM7217 Digital Stopwatch ; Digital Alarm Clock ; 4017 Counter.