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-rw-r--r--docs/esp32/quickref.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/esp32/quickref.rst b/docs/esp32/quickref.rst
index c394414a7..49f546a17 100644
--- a/docs/esp32/quickref.rst
+++ b/docs/esp32/quickref.rst
@@ -802,6 +802,9 @@ The RMT is ESP32-specific and allows generation of accurate digital pulses with
# The channel resolution is 100ns (1/(source_freq/clock_div)).
r.write_pulses((1, 20, 2, 40), 0) # Send 0 for 100ns, 1 for 2000ns, 0 for 200ns, 1 for 4000ns
+The ESP32-C2 family does not include any RMT peripheral, so this class is
+unavailable on those SoCs.
+
OneWire driver
--------------