diff --git a/README.md b/README.md index 6c73826..2914e16 100755 --- a/README.md +++ b/README.md @@ -1,6 +1,6 @@ -# RTNode-HeltecV4 — Reticulum Transport Node for Heltec WiFi LoRa 32 V3 / V4 +# RTNode-HeltecV4 — Reticulum Transport Node for Heltec WiFi LoRa 32 V4 (with support for V3) -A custom firmware for the **Heltec WiFi LoRa 32 V3** and **V4** (ESP32-S3 + SX1262) that operates as a **Transport Node** — bridging a local LoRa radio network with a remote TCP/IP backbone (such as [rmap.world](https://rmap.world)) over WiFi. +A custom firmware for the **Heltec WiFi LoRa 32 V4** (ESP32-S3 + SX1262) that operates as a **Transport Node** — bridging a local LoRa radio network with a remote TCP/IP backbone (such as [rmap.world](https://rmap.world)) over WiFi. ``` Android / Sideband Remote @@ -32,7 +32,7 @@ Built on [microReticulum](https://github.com/attermann/microReticulum) (a C++ po ## Hardware -Both the **Heltec WiFi LoRa 32 V3** and **V4** are supported. These boards were chosen for their ample flash and LoRa capabilities. PSRAM availability varies — the V4 ships with 2 MB PSRAM, while the V3 uses the ESP32-S3FN8 which has **no PSRAM**. The firmware **detects PSRAM at runtime** and allocates the TLSF memory pool from SPIRAM when available, falling back to internal SRAM (~170 KB) on boards without PSRAM. +This firmware was designed for the **Heltec WiFi LoRa 32 V4**. This board was chosen for its 2MB PSRAM and LoRa capabilities. While the V3 is supported, it uses the ESP32-S3FN8 which has **no PSRAM**. The firmware **detects PSRAM at runtime** and allocates the TLSF memory pool from SPIRAM when available, falling back to internal SRAM (~170 KB) on boards without PSRAM. | Component | Heltec V3 | Heltec V4 | |-----------|-----------|----------|