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Using PROGMEM on AVR Arduino Boards: Storing Constants in Flash to Free SRAM
Move constant strings and lookup tables to flash memory using PROGMEM and pgmspace.h, freeing scarce SRAM for runtime variables on AVR Arduino boards.
progmem-flash-storageavr-memory-managementembedded-sram-optimizationTasadduq Burneyowner31.8K rep · 29 Aug 2025, 00:14 UTC