Velleman VM144 Telephone Ring Detector LED Electronics for Kids -read the value of a

-read the value of a light dependent resistor (LDR)

Stackable design: The shield can be stacked with other shields

DLL for own software development (download only)

Acrylonitrile Butadiene Styrene (ABS) Body

full-color manual 250 experiments

Velleman VM144 Telephone Ring Detector LED Electronics for Kids -read the value of aGeneral Information Manufacturer Velleman Part Number VM144 Product Type DIY Electronic Project Miscellaneous Features Simply connect in parallel with phone line Powerful led flashes when phone rings The unit will feature a relay output if connected to a 12VDC power supply Relay output: continuous or on off to the rhythm of ringing of the telephone Complete with enclosure Great for noisy environments, for the hearing impaired, as additional ringer, to