Heltec Automation WiFi LoRa 32 V4 Development Board With Integrated OLED Display ESP32 S3 SX1262 27dBm High Power Chip For Meshtastic IoT Devices
Why you'll like it
- Extended Wireless Range — High power 27dBm transmission and SX1262 transceiver enable reliable long distance communication for off grid nodes
- Enhanced Processing Performance — Upgraded ESP32 S3 chip with 16MB Flash and 2MB PSRAM seamlessly runs advanced Meshtastic and IoT firmware
- Instant Data Visualization — Integrated 0.96 inch OLED screen offers immediate display of network metrics and sensor data without extra components
- Optimized Outdoor Power — Ultra low deep sleep current paired with dedicated solar panel and battery interfaces allows for continuous remote operation
- Versatile Project Integration — Full compatibility with Arduino IDE and PlatformIO simplifies development for smart agriculture and automation systems
Product details
Description
The Heltec WiFi LoRa 32 V4 Development Board is a high-efficiency hardware solution designed for building advanced Internet of Things architectures, secure off-grid mesh networks, and smart home automation systems. Engineered for developers, makers, and network enthusiasts, this upgraded V4 model features the powerful dual-core ESP32-S3R2 processor seamlessly integrated with 16MB Flash memory and 2MB PSRAM to effortlessly run complex firmware and advanced user interfaces.
Wireless communication is driven by the Semtech SX1262 transceiver, delivering an impressive 27dBm transmission power and high receiving sensitivity for exceptional long-range coverage across urban environments and large properties. The board incorporates an onboard 0.96-inch OLED display for real-time data visualization without requiring secondary hardware.
Designed with outdoor durability and remote deployment in mind, it provides robust gold-plated pin headers, multiple ESD protections, a protective display hardcase, and a highly optimized power management system that draws less than 20 microamperes in deep sleep mode. Complete with dedicated lithium battery and solar panel interfaces, alongside an expansion port for global navigation satellite system modules, this versatile board is fully compatible with Arduino and PlatformIO environments for seamless project implementation.
How to use
- Connect the provided external LoRa antenna to the dedicated IPEX1.0 port before powering on the device to prevent hardware damage.
- Interface the development board to your computer using a certified USB Type-C cable.
- Configure your programming environment, such as Arduino IDE or PlatformIO, by installing the Heltec ESP32 development framework.
- Select the appropriate board profile and upload your desired Meshtastic or custom IoT firmware.
- For standalone outdoor deployment, connect a compatible lithium battery or a solar panel array to the onboard SH1.25-2P interface ports.
Ingredients
Fibreglass reinforced epoxy circuit board, copper circuitry tracking, gold plated pin headers, silicon semiconductor chips including ESP32-S3R2 and SX1262 microcontrollers, glass components for the 0.96-inch OLED display panel, tin-silver-copper solder joints, and protective polymer display housing.
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Heltec Automation |
|---|---|
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
Are you setting up an off-grid Meshtastic node or a custom Arduino/sensor project?
This versatile board is specifically designed to support both configurations effortlessly. It comes fully equipped with the memory and high-power radio required for secure off-grid Meshtastic nodes, while maintaining full compatibility with Arduino and PlatformIO for custom sensor development.
Are you looking for a comparison against the older V3 model?
The V4 model introduces substantial hardware upgrades over the V3, including the advanced ESP32-S3R2 chip with 2MB PSRAM, an upgraded 27dBm transmission power output, a rugged protective display hardcase, and gold-plated pin headers for superior connectivity.
What firmware is preloaded on the board?
The board typically arrives with a factory test firmware installed to verify the functionality of the OLED display, Wi-Fi, and LoRa radio. Users can easily flash their preferred version of Meshtastic or custom code directly via the Type-C interface.
Is this Heltec V4 board available as an authentic USA import in India?
Yes, Dropy India sources this product directly from authorized suppliers in the USA. We ensure that Indian developers and electronics hobbyists receive 100% authentic, premium-quality imported Heltec Automation hardware.
Does the board include the necessary antennas for operation?
Yes, the kit features an internal FPC antenna for stable Wi-Fi and Bluetooth connectivity, along with an external antenna designed specifically to maximize the long-range performance of the high-power LoRa module.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.