diff --git a/README.rst b/README.rst
index 3b70021..d02a650 100644
--- a/README.rst
+++ b/README.rst
@@ -20,6 +20,11 @@ Introduction
 
 CircuitPython driver for Dallas 1-Wire temperature sensor.
 
+.. warning::
+    Blinka for RPi / SBC does not currently support OneWire directly. However,
+    you can use the `DS2482S-800 <https://github.com/adafruit/Adafruit_CircuitPython_DS248x>`_
+    as an I2C to OneWire bridge, see: `Learn Guide <https://learn.adafruit.com/adafruit-ds2482s-800-8-channel-i2c-to-1-wire-bus-adapter/circuitpython-and-python>`_
+
 Dependencies
 =============
 This driver depends on: