Updated readme links

Author: jasoncoon

README.md

@@ -38,7 +38,7 @@ Control addressable LEDs with an ESP32 via a web browser over Wi-Fi.
 
 **or**
 
-[WEMOS LOLIN32](https://wiki.wemos.cc/products:lolin32:lolin32)
+[WEMOS LOLIN D32](https://wiki.wemos.cc/products:d32:d32)
 
 **or**
 
@@ -53,6 +53,7 @@ Control addressable LEDs with an ESP32 via a web browser over Wi-Fi.
 #### Other hardware:
 
 * [3.3V to 5V Logic Level Shifter](http://www.digikey.com/product-detail/en/texas-instruments/SN74HCT245N/296-1612-5-ND/277258) (required if LEDs "glitch")
+* [Octo Level Shifter FeatherWing](https://www.evilgeniuslabs.org/level-shifter-featherwing) (tidy level shifter PCB)
 
 Recommended by [Adafruit NeoPixel "Best Practices"](https://learn.adafruit.com/adafruit-neopixel-uberguide/best-practices) to help protect LEDs from current onrush:
 * [1000µF Capacitor](http://www.digikey.com/product-detail/en/panasonic-electronic-components/ECA-1EM102/P5156-ND/245015)