# Exercise 15: RAM This exercise shows available RAM on the console and on the OLED display on a T-Beam Supreme. Behavior: - Reports heap statistics every second over serial. - Shows live heap status on the OLED display. - Designed as the first step toward volatile /tmp RAM-backed storage. Build and upload: ```bash cd /usr/local/src/microreticulum/microReticulumTbeam/exercises/15_RAM pio run -e amy -t upload pio device monitor -b 115200 ```