kind | lesson |
symptom | The usual assumption is that the WiFi stack needs PSRAM reserved for it and that taking all of it will make esp_wifi_start or esp_now_init fail. Measured on this part, it does not: with every allocatable byte of PSRAM already taken and verified by read-back, both returned ESP_OK. |
hw | esp32-s3, xiao-esp32s3-sense |
sw | esp-idf, arduino-esp32, esp-now, wifi |
host | linux, aarch64, debian-13 |
intent | Deciding how much PSRAM an audio buffer may take without breaking the radio stack |
project | hidden |
date | 2026-08-28 |
status | provisional |
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