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by andmarios
3489 days ago
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It has 6 pins you can use which should be more than enough. Once I had two DS18B20 sensors (temp), one 1602 LCD (over I2C) and a PIR sensor to act as interrupt connected to a attiny85. One temp sensor shared the same pin with the I2C data line. I just had to make sure they weren't used at the same time. This setup let me with two pins free, one of which I used as sink (ground) for the LCD, thus effectively being able to turn it off by pulling up the pin. |
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