update readme

README.md

@@ -5,14 +5,14 @@ Uses the CN105 connector on the Cased Flow Temp Controller (FTC6 in my setup) to
 
 <p float="left">
  <img src="img/config_page.png" height="640" />
- <img src="img/diagnostics_page.png" height="640" />
+ <img src="img/hp_state.png" height="640" />
 </p>
 
 ![HomeAssistant MQTT Auto Discovery](img/ha_discover.png)
 
 ## Hardware Dependencies
-- ESP32-compatible development board (I'm using a generic ESP32S2 Dev Module)
- - Will almost certainly exceed the memory budgets on an ESP8266.
+- ESP32-compatible development board (I'm using a LOLIN S2 Mini)
+ - Will almost certainly exceed the memory budgets on an ESP8266, as I've not been super careful about memory usage.
 - CN105 female connector + pigtails, as described [here](https://github.com/SwiCago/HeatPump#Demo-Circuit).
 
 ## Library Dependencies
@@ -41,101 +41,100 @@ Setting a device password will cause the web interface to require the password t
 
 It's strongly recommended to enable this setting in case the device falls back to broadcasting an open access point, as it will retain other configuration values (MQTT passwords, server, Wifi SSID/Password) which may then be readable by anyone.
 
-*Default*: `""`
-
-*Required*: No
+| Default | Required |
+| ------- | -------- |
+| `""` | No |
 
 ### Serial Rx Port
 The GPIO pin number which should be used for Serial data receive.
 
-*Default*: `33`
-
-*Required*: Yes
+| Default | Required |
+| ------- | -------- |
+| 33 | Yes |
 
 ### Serial Tx Port
 The GPIO pin number which should be used for Serial data transmit.
 
-*Default*: `34`
-
-*Required*: Yes
-
+| Default | Required |
+| ------- | -------- |
+| 34 | Yes |
 ### Serial Tx Port
 The GPIO pin number which should be used for the status LED. The following flashing patterns are possible:
 
 - 2 short flashes, followed by one long flash: Serial connection to the Heat Pump has not been established.
 - Steady long flashes: Network connection to the MQTT server has not been established
 - Constantly lit: Status is OK
 
-*Default*: `15`
-
-*Required*: No
+| Default | Required |
+| ------- | -------- |
+| 15 | No |
 
 ### Dump Serial Packets
 Dump packets sent to/received from the heat pump to the diagnostic log window on the Diagnostics page.
 
-*Default*: `Off`
-
-*Required*: No
+| Default | Required |
+| ------- | -------- |
+| Off | No |
 
 ### WiFi SSID
 The SSID of the WiFi network which you'd like the device to connect to. When the diagnostics page is loaded, the device will automatically initiate a scan for available WiFi networks and populate the menu when it completes.
 
 Note: If this setting or "WiFi Password" are unset, the device will continue to boot into a captive portal access point.
 
-*Default*: `""`
-
-*Required*: Yes
+| Default | Required |
+| ------- | -------- |
+| `""` | Yes |
 
 ### WiFi Password
 The passphrase/password which should be used when connecting to the previously specified WiFi SSID.
 
 Note: If this setting or "WiFi SSID" are unset, the device will continue to boot into a captive portal access point.
 
-*Default*: `""`
-
-*Required*: Yes
+| Default | Required |
+| ------- | -------- |
+| `""` | Yes |
 
 ### Hostname
 The network hostname the device will use to identify itself. 
 
-*Default*: `ecodan_ha_local`
-
-*Required*: No
+| Default | Required |
+| ----------------- | -------- |
+| `ecodan_ha_local` | No |
 
 ### MQTT Server
 The IP address or hostname of the MQTT server on your local network.
 
-*Default*: `""`
-
-*Required*: Yes
+| Default | Required |
+| ------- | -------- |
+| `""` | No |
 
 ### MQTT Port
 The port on which your MQTT server is listening. 
 
-*Default*: `1883`
-
-*Required*: Yes
+| Default | Required |
+| ------- | -------- |
+| 1883 | No |
 
 ### MQTT User
 The username which should be used when connecting to the specified MQTT Server.
 
-*Default*: `""`
-
-*Required*: Yes
+| Default | Required |
+| ------- | -------- |
+| `""` | No |
 
 ### MQTT Password
 The password for the given MQTT User.
 
-*Default*: `""`
-
-*Required*: Yes
+| Default | Required |
+| ------- | -------- |
+| `""` | No |
 
 ### MQTT Topic
 The topic value which the server should use to filter messages related to this heat pump.
 
-*Default*: `ecodan_hp`
-
-*Required*: Yes
+| Default | Required |
+| ----------- | -------- |
+| `ecodan_hp` | Yes |
 
 ## See Also
 There are a number of existing solutions for connecting to Mitsubish heat pump models via the CN105 connector, I wouldn't have been able to put this together without work already done here: