boards: add more info for esp32/esp8266

Signed-off-by: deadprogram <ron@hybridgroup.com>

Author: deadprogram

content/microcontrollers/esp32.md

@@ -3,7 +3,7 @@ title: "ESP32"
 weight: 3
 ---
 
-The [Espressif ESP32]() is a tiny development board based on the Xtensa [ESP32]() family of SoC.
+The [Espressif ESP32](https://www.espressif.com/en/products/socs/esp32) is a powerful chip that is used on many different development boards. It includes a built-in radio that can be used for WiFi or Bluetooth wireless connections.
 
 ## Interfaces
 
@@ -15,6 +15,8 @@ The [Espressif ESP32]() is a tiny development board based on the Xtensa [ESP32](
 | I2C      | YES | Not Yet |
 | ADC      | YES | Not Yet |
 | PWM      | YES | Not Yet |
+| WiFi      | YES | Not Yet |
+| Bluetooth      | YES | Not Yet |
 
 ## Machine Package Docs
 
@@ -38,7 +40,7 @@ Now you should be able to flash your board as follows:
 - Build and flash your TinyGo code using the `tinygo flash` command. This command flashes the ESP32 with the blinky1 example:
 
     ```
-    tinygo flash -target=esp32-wroom-32 examples/blinky1
+    tinygo flash -target=esp32-wroom-32 -port=/dev/ttyUSB0 examples/blinky1
     ```
 
 - The ESP32 board should restart and then begin running your program.

content/microcontrollers/esp8266.md

@@ -3,7 +3,7 @@ title: "ESP8266"
 weight: 3
 ---
 
-The [Espressif ESP8266]() is a tiny development board based on the Xtensa [ESP8266]() family of SoC.
+The [Espressif ESP8266](https://www.espressif.com/en/products/socs/esp8266) is small yet powerful SoC that is usually used for WiFi applications thanks to its built-in radio.
 
 ## Interfaces
 
@@ -15,6 +15,7 @@ The [Espressif ESP8266]() is a tiny development board based on the Xtensa [ESP82
 | I2C      | YES | Not Yet |
 | ADC      | YES | Not Yet |
 | PWM      | YES | Not Yet |
+| WiFi      | YES | Not Yet |
 
 ## Machine Package Docs
 
@@ -24,7 +25,7 @@ The [Espressif ESP8266]() is a tiny development board based on the Xtensa [ESP82
 
 ### CLI Flashing on Linux
 
-You need to install the Espressif toolchain for Linux to use TinyGo with the ESP8266. Note that it is the same download as for the ESP32: 
+You need to install the same toolchain for the ESP8266 as is used for the ESP32 to use the ESP8266 with TinyGo: 
 
 https://docs.espressif.com/projects/esp-idf/en/release-v3.0/get-started/linux-setup.html#standard-setup-of-toolchain-for-linux
 
@@ -38,14 +39,14 @@ Now you should be able to flash your board as follows:
 - Build and flash your TinyGo code using the `tinygo flash` command. This command flashes the ESP8266 with the blinky1 example:
 
     ```
-    tinygo flash -target=esp8266 examples/blinky1
+    tinygo flash -target=esp8266 -port=/dev/ttyUSB examples/blinky1
     ```
 
 - The ESP8266 board should restart and then begin running your program.
 
 ### CLI Flashing on macOS
 
-You need to install the Espressif toolchain for macOS to use TinyGo with the ESP8266. Note that it is the same download as for the ESP32: 
+You need to install the same toolchain for the ESP8266 as is used for the ESP32 to use the ESP8266 with TinyGo:
 
 https://docs.espressif.com/projects/esp-idf/en/release-v3.0/get-started/macos-setup.html
 
@@ -66,7 +67,7 @@ Now you should be able to flash your board as follows:
 
 ### CLI Flashing on Windows
 
-You need to install the Espressif toolchain for Windows to use TinyGo with the ESP826. Note that it is the same download as for the ESP32: 
+You need to install the same toolchain for the ESP8266 as is used for the ESP32 to use the ESP8266 with TinyGo:
 
 https://docs.espressif.com/projects/esp-idf/en/release-v3.0/get-started/windows-setup.html