Tag Archives: iButton

Ping and iButton together

Since I had both the Ping and iButton at hand I decided to test them together. My intention is to make it so that the PING only works when the iButton receives the right key/button. If the wrong key is put the led will bling three times. The course           Lauri… Read More »


I followed Suvi’s instructions on how to get iButton working on the UNO. The iButton had two wires, a white and a brown one. I connected the iButton on the breadboard. I connected the white wire to slot 7 on the UNO and to the 5v through a resistor. I connected the brown wire to… Read More »