From a294ce1fd900804351cabc57c0254b670513201e Mon Sep 17 00:00:00 2001
From: "Adrian A. Baumann" <ade@adebaumann.com>
Date: Tue, 21 Apr 2026 23:22:50 +0200
Subject: [PATCH] Discovery missing effects

---
 gauge.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gauge.py b/gauge.py
index 2aa050f..f4cb526 100644
--- a/gauge.py
+++ b/gauge.py
@@ -883,10 +883,13 @@ def _subscribe_all(c):
 def connect_mqtt():
     global client_ref, _mqtt_connected
     from umqtt.robust import MQTTClient
+    gc.collect()
+    info(f"Heap before MQTT: {gc.mem_free()} bytes")
     info(f"Connecting to MQTT broker {MQTT_BROKER}:{MQTT_PORT} ...")
     last_error = None
     for attempt in range(3):
         gc.collect()
+        info(f"  attempt {attempt + 1}: heap {gc.mem_free()} bytes")
         try:
             if client_ref is not None:
                 try:
@@ -906,7 +909,8 @@ def connect_mqtt():
             client.connect()
             client_ref = client
             _mqtt_connected = True
-            info(f"MQTT connected  client_id={MQTT_CLIENT_ID}")
+            gc.collect()
+            info(f"MQTT connected  client_id={MQTT_CLIENT_ID}  heap {gc.mem_free()} bytes")
             return
         except Exception as e:
             last_error = e