DTMF key 4 or 8 channels

DTMF key 4 or 8 channels

We propose in this paper a DTMF remote control of the third generation made ​​with the new ST6265 microcontroller provided with an internal EEPROM. This device can turn on or off, via radio or telephone, any electrical device. It is possible to remotely change the password and all operational parameters of the key.