Why is my Arduino running out of SRAM? - Arduino https://forum.etechnophiles.com/arduino/why-is-my-arduino-running-out-of-sram/ Hi, Welcome to the eTechnophiles forum. Got a question like, \'What resistor value to choose for your simple LED project\' OR \'Where is the resistor connected to the inbuilt LED in Arduino UNO\'s schematic\' - All will be answered here. Feel free to check out the topics below. en-US Sun, 12 Apr 2026 17:38:57 +0000 wpForo 60 Why is my Arduino running out of SRAM? https://forum.etechnophiles.com/arduino/why-is-my-arduino-running-out-of-sram/#post-554 Tue, 08 Jul 2025 05:28:27 +0000 An Arduino Uno project behaves unpredictably—frequent resets, corrupted variables, or unexpected behavior. Suspecting low SRAM, especially since the Uno only has 2KB available, and the sketch uses several global arrays, strings, and external libraries.

What are the best practices to reduce dynamic memory usage and avoid fragmentation?

  • How to monitor or estimate SRAM usage during runtime?

  • Should String objects be avoided in favor of character arrays?

  • When and how to use PROGMEM for storing large constant data?

Looking for effective ways to keep the project stable and memory-efficient.

]]> Arduino Ashutosh https://forum.etechnophiles.com/arduino/why-is-my-arduino-running-out-of-sram/#post-554