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examples/two-mcp23017.py

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+# Turns on each pin of an mcp23017 on address 0x20 ( quick2wire IO expander )
+import wiringpi
+
+pin_base = 65
+i2c_addr = 0x20
+i2c_addr_2 = 0x21
+#pins = [65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80]
+
+wiringpi.wiringPiSetup()
+wiringpi.mcp23017Setup(pin_base,i2c_addr)
+wiringpi.mcp23017Setup(pin_base+16,i2c_addr_2)
+
+#for pin in pins:
+for pin in range(65,96):
+	wiringpi.pinMode(pin,1)
+	wiringpi.digitalWrite(pin,1)
+#	wiringpi.delay(1000)
+#	wiringpi.digitalWrite(pin,0)