From 4baeee7db4e8ba19a66401a69b9074579ace268f Mon Sep 17 00:00:00 2001
From: Tim Meneely <tim@meneelys.com>
Date: Thu, 11 Feb 2021 09:39:52 -0500
Subject: [PATCH] Adding battery voltage measurement

---
 bedroom_lilygo_t7v13.yaml | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/bedroom_lilygo_t7v13.yaml b/bedroom_lilygo_t7v13.yaml
index 7734e6f..1323c72 100644
--- a/bedroom_lilygo_t7v13.yaml
+++ b/bedroom_lilygo_t7v13.yaml
@@ -20,9 +20,9 @@ ota:
 <<: !include standard_mqtt_deepsleep.yaml
 deep_sleep:
         run_duration: 20s
-        sleep_duration: 40s #24h
-        esp32_ext1_wakeup: 
-                pins: 
+        sleep_duration: 240s #24h
+        esp32_ext1_wakeup:
+                pins:
                   - 33 #middle button
                   - 34 #T button
                   - 35 #L button
@@ -40,28 +40,35 @@ sensor:
     accuracy_decimals: 0
     lambda: |-
             return id(wake_up_reason);
+  - platform: adc
+    pin: GPIO39
+    attenuation: 11db
+    name: "Battery Voltage"
+    update_interval: 10s
+    filters:
+      - multiply: 0.83 #(3.24/3.90)
 
 binary_sensor:
   - platform: gpio
-    pin: 
+    pin:
         number: GPIO33
         mode: INPUT_PULLUP
     filters:
       - delayed_on: 100ms ### <---- debounce time, was 100ms
-      # - delayed_off: 10s ### <---- delay to capture state change on wake up         
+      # - delayed_off: 10s ### <---- delay to capture state change on wake up
     name: "TKM Test 33 middle button"
     id: tkm_test_33
   - platform: gpio
-    pin: 
+    pin:
         number: GPIO34
         mode: INPUT_PULLUP
     filters:
       - delayed_on: 100ms ### <---- debounce time, was 100ms
-      # - delayed_off: 10s ### <---- delay to capture state change on wake up             
+      # - delayed_off: 10s ### <---- delay to capture state change on wake up
     name: "TKM Test 34 T button"
     id: tkm_test_34
   - platform: gpio
-    pin: 
+    pin:
         number: GPIO35
         mode: INPUT_PULLUP
     filters: