From 9f8289042b364a28b5e1cc88e9802300b19397d2 Mon Sep 17 00:00:00 2001
From: Felipe Santos <felipecassiors@gmail.com>
Date: Fri, 8 Nov 2024 02:23:48 -0300
Subject: [PATCH] Add Minimum Voltage protection

---
 athom-smart-plug-v2.yaml | 6 ++++++
 athom-smart-plug.yaml    | 6 ++++++
 athom-wall-outlet.yaml   | 6 ++++++
 3 files changed, 18 insertions(+)

diff --git a/athom-smart-plug-v2.yaml b/athom-smart-plug-v2.yaml
index a14bdeaf..398f70df 100644
--- a/athom-smart-plug-v2.yaml
+++ b/athom-smart-plug-v2.yaml
@@ -10,6 +10,8 @@ substitutions:
   relay_restore_mode: RESTORE_DEFAULT_ON
   # Current Limit in Amps. AU Plug = 10. IL, BR, EU, UK, US Plug = 16.
   current_limit : "16"
+  # Minimum Voltage before turning off the switch output.
+  minimum_voltage: "90"
   # Define a domain for this device to use. i.e. iot.home.lan (so device will appear as athom-smart-plug-v2.iot.home.lan in DNS/DHCP logs)
   dns_domain: ""
   # Set timezone of the smart plug. Useful if the plug is in a location different to the HA server. Can be entered in unix Country/Area format (i.e. "Australia/Sydney")
@@ -201,6 +203,10 @@ sensor:
       name: "Voltage"
       filters:
         - throttle_average: ${sensor_update_interval}
+      on_value_range:
+        - below: ${minimum_voltage}
+          then:
+            - switch.turn_off: relay
 
     power:
       name: "Power"
diff --git a/athom-smart-plug.yaml b/athom-smart-plug.yaml
index 99011647..d1726e87 100644
--- a/athom-smart-plug.yaml
+++ b/athom-smart-plug.yaml
@@ -11,6 +11,8 @@ substitutions:
   sensor_update_interval: 10s
   # Current Limit in Amps. AU Plug = 10. IL, BR, EU, UK, US Plug = 16.
   current_limit : "10"
+  # Minimum Voltage before turning off the switch output.
+  minimum_voltage: "90"
   # Define a domain for this device to use. i.e. iot.home.lan (so device will appear as athom-smart-plug-v2.iot.home.lan in DNS/DHCP logs)
   dns_domain: ""
   # Set timezone of the smart plug. Useful if the plug is in a location different to the HA server. Can be entered in unix Country/Area format (i.e. "Australia/Sydney")
@@ -216,6 +218,10 @@ sensor:
       accuracy_decimals: 1
       filters:
         - skip_initial: 2
+      on_value_range:
+        - below: ${minimum_voltage}
+          then:
+            - switch.turn_off: relay
 
     power:
       name: "Power"
diff --git a/athom-wall-outlet.yaml b/athom-wall-outlet.yaml
index 16d4e132..7c53f43f 100644
--- a/athom-wall-outlet.yaml
+++ b/athom-wall-outlet.yaml
@@ -10,6 +10,8 @@ substitutions:
   relay_restore_mode: RESTORE_DEFAULT_OFF
   # Current Limit in Amps. AU Plug = 10. IL, BR, EU, UK, US Plug = 16.
   current_limit : "16"
+  # Minimum Voltage before turning off the switch output.
+  minimum_voltage: "90"
   # Define a domain for this device to use. i.e. iot.home.lan (so device will appear as athom-smart-plug-v2.iot.home.lan in DNS/DHCP logs)
   dns_domain: ""
   # Set timezone of the smart plug. Useful if the plug is in a location different to the HA server. Can be entered in unix Country/Area format (i.e. "Australia/Sydney")
@@ -191,6 +193,10 @@ sensor:
       name: "Voltage"
       filters:
         - throttle_average: ${sensor_update_interval}
+      on_value_range:
+        - below: ${minimum_voltage}
+          then:
+            - switch.turn_off: relay
 
     power:
       name: "Power"