diff --git a/esphome/livingroom.yaml b/esphome/livingroom.yaml
index 60d7fbf..8baa527 100644
--- a/esphome/livingroom.yaml
+++ b/esphome/livingroom.yaml
@@ -115,7 +115,9 @@ light:
 
 # Initialize UART for Vindriktning sensor
 uart:
+  id: uartPM
   rx_pin: GPIO22
+  tx_pin: GPIO23
   baud_rate: 9600
 
 # Create text sensor to represent CO2 LED warn state (somewhat redundant)
diff --git a/esphome/sleepingroom.yaml b/esphome/sleepingroom.yaml
index 010197c..fbf0996 100644
--- a/esphome/sleepingroom.yaml
+++ b/esphome/sleepingroom.yaml
@@ -114,7 +114,9 @@ light:
 
 # Initialize UART for Vindriktning sensor
 uart:
+  id: uartPM
   rx_pin: GPIO26
+  tx_pin: GPIO27
   baud_rate: 9600
 
 # Create text sensor to represent CO2 LED warn state (somewhat redundant)
@@ -212,6 +214,7 @@ sensor:
     update_interval: 60s
   # Vindriktning particulate matter sensor
   - platform: pm1006
+    uart_id: uartPM
     pm_2_5:
       name: "Feinstaub PM 2.5µm"
       on_value_range: