From 3d1f7cea72e008edf0e827520fcfb3189db09b67 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Sun, 8 Mar 2026 01:26:31 -1000
Subject: [PATCH] Increase printf stub buffer to 512 bytes to match ESP32

---
 esphome/components/esp8266/printf_stubs.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/components/esp8266/printf_stubs.cpp b/esphome/components/esp8266/printf_stubs.cpp
index 4eb316d6ec..e6d4a74866 100644
--- a/esphome/components/esp8266/printf_stubs.cpp
+++ b/esphome/components/esp8266/printf_stubs.cpp
@@ -20,7 +20,7 @@
 
 namespace esphome::esp8266 {}
 
-static constexpr size_t PRINTF_BUFFER_SIZE = 256;
+static constexpr size_t PRINTF_BUFFER_SIZE = 512;
 
 // These stubs are essentially dead code at runtime — ESPHome writes directly
 // to the UART via Arduino's Serial, and Serial.printf() has its own implementation.