diff --git a/README.md b/README.md
index fdb5f9c..c911245 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,9 @@
 MicroPython FW:
 https://micropython.org/download/RPI_PICO_W/
 
+Pi Pico W datasheet
+https://datasheets.raspberrypi.com/picow/pico-w-datasheet.pdf
+
 Pi Pico BLE:
 https://electrocredible.com/raspberry-pi-pico-w-bluetooth-ble-micropython/