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What is Arduino | Getting started

Here's the new description with all links and additional text removed: Order your pcb design at JLCPCB: $2 for 10pcs PCBs (24 ...
Hackaday

Create A Tiny Telephone Exchange With An Analog Telephone Adapter

An analog telephone adapter (ATA), or FXS gateway, is a device that allows traditional analog phones to be connected to a ...