From 6d1ad446725b3c5b1f531d5cfe1475accfeaaade Mon Sep 17 00:00:00 2001 From: Bernhard Kirchen Date: Thu, 30 May 2024 17:58:00 +0200 Subject: [PATCH] docs: tell people to buy ESP32 with 8 MB of flash --- docs/hardware_flash.md | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/docs/hardware_flash.md b/docs/hardware_flash.md index 9cf4ec8c..23c7d290 100644 --- a/docs/hardware_flash.md +++ b/docs/hardware_flash.md @@ -10,13 +10,20 @@ Otherwise, read on to assemble your own components. ### ESP32 board -For ease of use, buy a "ESP32 DEVKIT DOIT" or "ESP32 NodeMCU Development Board" with an ESP32-S3 or ESP-WROOM-32 chipset on it. +For ease of use, buy a "ESP32 DEVKIT DOIT" or "ESP32 NodeMCU Development Board" +with an ESP32-S3 chipset on it, **with at least 8 MB of flash memory**. +Preferrably, the ESP32 should also have some embedded PSRAM. Look out for +labels like "N8R2", "N16R8", where the number after the N is the amount of +flash in Megabytes, and the number after the R is the amount of PSRAM in +Megabytes. Sample Picture: ![NodeMCU-ESP32](nodemcu-esp32.png) -Also supported: Board with Ethernet-Connector and Power-over-Ethernet [Olimex ESP32-POE](https://www.olimex.com/Products/IoT/ESP32/ESP32-POE/open-source-hardware) +Also supported: Board with Ethernet-Connector and Power-over-Ethernet (PoE) +(select version with 8 MB of flash memory or more) +[Olimex ESP32-POE](https://www.olimex.com/Products/IoT/ESP32/ESP32-POE/open-source-hardware) ### NRF24L01+ radio board (See inverter table above for supported inverters)