diff --git a/adafruit_focaltouch.py b/adafruit_focaltouch.py
index 9f12ece..e9ce03d 100755
--- a/adafruit_focaltouch.py
+++ b/adafruit_focaltouch.py
@@ -7,7 +7,7 @@
 ====================================================
 
 CircuitPython driver for common low-cost FocalTech capacitive touch chips.
-Currently supports FT6206 & FT6236.
+Currently supports FT6206, FT6236 & FT6336.
 
 * Author(s): ladyada
 
@@ -22,6 +22,8 @@
 * Adafruit `2.8" TFT Touch Shield for Arduino w/Capacitive Touch
   <http://www.adafruit.com/product/1947>`_ (Product ID: 1947)
 
+* M5Stack Core2 and CoreS3
+
 **Software and Dependencies:**
 
 * Adafruit CircuitPython firmware for the ESP8622 and M0-based boards:
@@ -88,7 +90,7 @@ def __init__(self, i2c, address=_FT_DEFAULT_I2C_ADDR, debug=False, irq_pin=None)
             )
         )
 
-        if vend_id not in (0x11, 0x42):
+        if vend_id not in (0x11, 0x42, 0x01):
             raise RuntimeError("Did not find FT chip")
 
         if chip_id == 0x06: