fix: typos, add picture

content/posts/smarthome-soldering-iron-pinecil-homeassistant-esphome/index.md

@@ -191,7 +191,7 @@ put together by Pine64 community member TomW1605. Thank you again, Tom!
 ## Requirements
 
 - ESP32 device (Non affiliate link:
-  [ESP-WROOM-32 Development MCU on Amazon](https://www.amazon.com/ESP-WROOM-32-Development-Microcontroller-Integrated-Compatible/dp/B08D5ZD528)
+  [ESP-WROOM-32 Development MCU on Amazon](https://www.amazon.com/ESP-WROOM-32-Development-Microcontroller-Integrated-Compatible/dp/B08D5ZD528))
 - Home Assistant already setup
 - ESPHome already setup
 
@@ -206,11 +206,12 @@ put together by Pine64 community member TomW1605. Thank you again, Tom!
    2. Setup an encryption key. This must be a base64-encoded, 32 bit string.
       - You can create one on the CLI using `openssl rand -base64 32`
    3. Change OTA password to desired
-   4. Change wifi SSID and password for your network
+   4. Change wifi SSID and password for your network in ESPHome secrets
    5. Change wifi access point fallback settings to desired
    6. **Important** - Change ble_client mac address to your Pinecil's MAC. This
       can be found in the settings as well as in logs from the above tools
       (Joric/PineSAM)
+   {{< figure src="pinecil-esphome.png" alt="Pinecil esp32 configuration example" class="inline" >}}
 4. Flash the firmware to the ESP32 device
 5. Add the device to Home Assistant
 6. Create a Home Assistant dashboard to control and monitor your smart soldering