Update README.md

README.md

@@ -60,7 +60,7 @@ If this is not what you need, you have to switch to **Manual Configuration**
    | -------------------------------------------------------------- | ------------------ | ---------------------------- | ---------------------- | -------- | ------- |
    | [LILYGO®TTGO-LORA32 V1](https://github.com/Xinyuan-LilyGo/TTGO-LoRa-Series) | "TTGO LoRa32-OLED" | "TTGO LoRa32 V1 (No TFCard)" | ARDUINO_TTGO_LORA32_V1 | SX1276 (HPD13A) | -   |
    | [LILYGO®TTGO-LORA32 V2](https://github.com/LilyGO/TTGO-LORA32) | "TTGO LoRa32-OLED" | "TTGO LoRa32 V2"             | ARDUINO_TTGO_LoRa32_V2 | SX1276 (HPD13A) | Wire DIO1 to GPIO33 |
-   | [LILYGO®TTGO-LORA32 V2.1](http://www.lilygo.cn/prod_view.aspx?TypeId=50060&Id=1271&FId=t3:50060:3) | "TTGO LoRa32-OLED" | "TTGO LoRa32 V2.1 (1.6.1)" | ARDUINO_TTGO_LoRa32_v21new |  SX1276 (HPD13A) | - |
+   | [LILYGO®TTGO-LORA32 V2.1](https://www.lilygo.cc/products/lora3?variant=42272562282677) | "TTGO LoRa32-OLED" | "TTGO LoRa32 V2.1 (1.6.1)" | ARDUINO_TTGO_LoRa32_v21new |  SX1276 (HPD13A) | - |
    | [Heltec Wireless Stick](https://heltec.org/project/wireless-stick/) | "Heltec Wireless Stick"   | n.a.             | ARDUINO_heltec_wireless_stick  | SX1276 | - |
    | [Heltec WiFi LoRa 32 V2](https://heltec.org/project/wifi-lora-32/)  | "Heltec WiFi LoRa 32(V2)" | n.a.             | ARDUINO_heltec_wifi_lora_32_V2 | SX1276 | - |
    | [Adafruit Feather ESP32S2 with Adafruit LoRa Radio FeatherWing](https://github.com/matthias-bs/BresserWeatherSensorReceiver#adafruit-feather-esp32s2-with-adafruit-lora-radio-featherwing)                                | "Adafruit Feather ESP32-S2" | n.a.               | ARDUINO_ADAFRUIT_FEATHER_ESP32S2   | SX1276 (RFM95W) | Wiring on the Featherwing:<br>E to IRQ<br>D to CS<br>C to RST<br>A to DI01 |