Heltec WiFi LoRa 32 V3
El Heltec WiFi LoRa 32 V3, de Heltec Automation, es una radio para redes Meshtastic. Consulta abajo las especificaciones prácticas, el precio estimado y dónde comprarla.
Especificaciones
Haz clic en el ícono junto a cada ítem para ver las opciones disponibles y sus pros y contras.
- Procesador: ESP32-S3
- Batería: No
- Conectividad: LoRa, Wi-Fi, BT
- Pantalla: OLED 0.96 pol
- Carcasa: No
- Ampliable: Sí
- GPS integrado: No
- Zumbador: No
Precio estimado (USD)
$20.02
Procesador
| Chip | Radio integrado | Consumo | Ideal para |
|---|---|---|---|
| ESP32 (todas las variantes) | Wi-Fi + Bluetooth | Más alto | Nodos fijos con energía constante, gateways MQTT, pantallas más grandes/táctiles |
| nRF52840 | Bluetooth (sin Wi-Fi) | Muy bajo | Dispositivos portátiles a batería, mayor autonomía |
| RP2040 / RP2350 | Ninguno (solo USB) | Bajo | Placas DIY económicas (Pico, RAK11310) o como coprocesador dedicado a sensores en nodos más robustos (ej: SenseCAP Indicator) |
Variantes del ESP32 que se encuentran en dispositivos Meshtastic:
- ESP32 (original): doble núcleo, Wi-Fi + Bluetooth clásico/BLE - la base de los primeros nodos, como el T-Beam, Heltec V1/V2 y T-LoRa V1/V2.
- ESP32-S3: doble núcleo con más RAM/GPIO y USB nativo - hoy es la variante más usada, presente en pantallas más grandes y táctiles, como el Heltec V3/V4, T-Deck, T-Watch S3, Vision Master y Station G2/G3.
- ESP32-C3: núcleo único RISC-V, más pequeño y económico - usado en el Heltec HT62.
- ESP32-C6: RISC-V con Wi-Fi 6 y soporte para Zigbee/Thread (802.15.4) - usado en el LilyGo T-Lora C6 y M5Stack Unit C6L.
En la práctica: entre las variantes del ESP32, la S3 es hoy la más común en dispositivos nuevos (sobre todo los que tienen pantalla); la nRF52840 gana en autonomía de batería; y la RP2040 aparece tanto en placas DIY económicas como coprocesador dedicado a sensores en nodos más robustos - en la SenseCAP Indicator, por ejemplo, el ESP32-S3 controla la pantalla táctil de 4" y la conectividad mientras un RP2040 aparte procesa los sensores, una división de trabajo típica de dispositivos que requieren más poder de procesamiento.
Batería
Sí: el dispositivo tiene una batería integrada, ya incorporada dentro de la carcasa y lista para usar, o una ranura propia para un formato de batería estándar, como el soporte para 18650 del T-Beam.
No: el dispositivo no tiene un lugar propio para encajar la batería. Esto incluye placas que solo tienen un conector JST para LiPo - es solo una entrada de energía, no una ranura dedicada, así que la batería queda suelta, sujeta por fuera con cinta o velcro.
Conectividad
Además del radio LoRa (que forma la propia red mesh y está presente en todo dispositivo compatible), este campo indica otras formas de conectividad del dispositivo:
- LoRa: el radio de largo alcance que forma la red Meshtastic.
- BT / BLE (Bluetooth): se usa para vincular con la app de Meshtastic en el celular.
- Wi-Fi: presente en placas con ESP32; permite acceder a la interfaz web del nodo o usar MQTT sin depender del celular.
Pantalla
Los tipos de pantalla más comunes en dispositivos Meshtastic, y sus ventajas:
- OLED: pequeña y monocromática, contraste altísimo (negros reales) y bajo consumo al mostrar poco contenido; la más común en nodos como el T-Beam.
- E-Ink / E-Paper: solo consume energía al cambiar de imagen y sigue siendo legible después sin gastar batería; excelente lectura bajo luz solar directa. Se usa en dispositivos como el T-Echo, con una interfaz dedicada (InkHUD).
- LCD / TFT / IPS a color: pantallas a color que muestran más información (mapas, íconos), pero consumen más energía; se usa en dispositivos con pantalla táctil, como el T-Deck.
- Ninguno: dispositivo sin pantalla, controlado solo por la app del celular - suele ser más compacto y económico.
Carcasa
Sí: el dispositivo ya viene con una carcasa de protección incluida en la compra.
No: se vende como placa "desnuda" (bare board) - necesitarás una carcasa aparte (comprada o impresa en 3D) si quieres proteger la electrónica.
Ampliable
Sí: la carcasa del dispositivo da acceso a los pines GPIO y conectores de la placa, permitiendo agregar sensores, una batería más grande, una antena externa u otros accesorios.
No: la carcasa cierra la placa por completo, sin acceso a esos pines/conectores - la placa en sí casi siempre los tiene, pero la carcasa impide usarlos.
GPS integrado
"Sí" significa que el dispositivo ya trae un chip GNSS integrado, sin necesitar un módulo externo. Estos chips suelen captar varias constelaciones de satélites, no solo el GPS estadounidense - GLONASS (Rusia), Galileo (Europa) y BeiDou (China) - lo que hace que la ubicación sea más rápida y precisa.
"No" significa que el dispositivo depende de la ubicación del celular vinculado (por Bluetooth) o no tiene GPS.
Zumbador
Indica si el dispositivo tiene un altavoz piezoeléctrico integrado, usado para emitir una alerta sonora cuando llega un mensaje nuevo o una alerta de la red mesh.
Recursos
- Reddit Remote admin fixed gps config r/meshtastic
- YouTube Hello YouTube. Welcome back to the solar punk workshop. We are today inside the workshop a lot more as you can tell. And if you think this p youtube.com
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- Web How To Add Rain / Snow Sensor To Your Meshtastic Node adrelien.com
- Web MeshCore / Meshtastic Node Cases zerofox3d.com
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- Reddit How to manage two nodes? r/meshtastic
- Reddit Off grid build r/meshtastic
- Reddit Off grid build r/meshtastic
- Reddit Do cheap solar lights have low voltage cutoff? r/meshtastic
- YouTube 13 Miles 20km with NO WiFi? How LoRa Sent Voltage... - YouTube youtube.com
- Web After testing 20 devices, I finally figured out the secret of Meshtastic's battery life keepteen.com
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- Web Hexaspot hexaspot.com
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- Web Meshtastic Enclosures & Cases - NodakMesh nodakmesh.org
- YouTube Прошиваем и настраиваем Meshtastic! - YouTube youtube.com
- YouTube Solution: Meshtastic Node does not automatically turn on ...Meshtastic Firmware Flashing Mode for LILYGO, HELTEC & other ...Flash Your MeshT youtube.com
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- YouTube hi welcome back to Shu Tech yeah I've been working with mesh tastic especially with the htech products the htech V3 and their little capsule youtube.com
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- Web Мониторинг и калибровка питания LoRa-узлов: T114, V3, V4 и экосистемы Meshtastic/MeshCore 🔋📡 Автономные радиосети живут ровно до тех пор, по mesho.ru
- Reddit Meshtastic + Typewriter = ? r/meshtastic
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- YouTube 3d printing cases for meshtastic heltec v3.1 - YouTube youtube.com
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- TikTok Descubre cómo crear una red de comunicación descentralizada con Meshtastic, módulos Heltec y LILYGO. 🌍 Sin internet, sin señal, ¡conéctate d Innova Domotics - IoT
- TikTok Meshtastic Off-Grid Solar Repeater Deployment in South Donegal Ireland with Donegal Amateur Radio Club. #hamradio #radio #stem #fyp #irishha Irish Ham Radio
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- TikTok En este video te muestro paso a paso cómo montar un sistema de comunicación por LoRa utilizando el proyecto Meshtastic y una placa Heltec V3 BAZTAR3D
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- Web Heltec MeshPocket: Off-Grid LoRa Chat, Wireless Qi2 Charging & 5000mAh Battery bank robojax.com
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- TikTok En el video veremos como instalar el firmware de Meshtastic en Nodo Lora 32 V3, (como las Heltec). Placa de desarrollo IOT basada en un micr Super
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- TikTok Wisblock or Heltec V3 which one is your go to? #meshtastic District47.us
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- Reddit Meshtastic map doesn't seem to tell the whole story r/meshtastic
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- YouTube M0 FXP. Welcome to my unboxing of the Lilyo Tde Plus color screen model. And this one actually has an antenna uh poking out there SMA. And a youtube.com
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