change default i2c freq

diff --git a/src/busio.py b/src/busio.py
index 35e7c88eb26d61d5722cf90bc8159d1e9c06f845..cc379362052d416d2fcbb2495a44904f64447d2f 100755 (executable)
--- a/src/busio.py
+++ b/src/busio.py
@@ -27,7 +27,7 @@ class I2C(Lockable):
     for both MicroPython and Linux.
     """
 
-    def __init__(self, scl, sda, frequency=400000):
+    def __init__(self, scl, sda, frequency=100000):
         self.init(scl, sda, frequency)
 
     def init(self, scl, sda, frequency):