In order to interface the modem with the telephone, I bought a simple device called a tele-coupler. It is used when only have a phone that doesn’t have a standard jack, or is a digital phone line. It actually straps to a telephone handset and accoustically couples the phone and modem together… wonderfully old-school, […]
Many of the terminals in the phones I might use have connectors designed to attach to screw terminals. This makes it a little difficult to attach to a standard Arduino. Here is my way to adapt them.
What I hope will be the final piece of the puzzle arrived today. It’s a little adapter that turns a regular modem into an acoustically-coupled modem. It’s intended for use when there isn’t a regular phone line available—you can strap this to a regular handset instead. I decided to do a proof on concept, just […]