ESP32 LoRa V4 Development Board for Arduino Meshtastic IoT
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Building a custom long-range IoT device just got a lot simpler with this integrated ESP32 board.
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Our read on this product
If you're a maker or engineer looking to build a custom, long-range IoT device, this ESP32 development board offers a compelling all-in-one solution. It packs in an ESP32-S3, LoRa, Bluetooth, GPS, and even solar charging capabilities, which means you can prototype complex projects like Meshtastic nodes or remote sensor networks without needing to cobble together multiple modules. The generous memory (2MB PSRAM, 16MB Flash) and low-power design are particularly useful for applications that need to run for extended periods or handle significant data.
The real appeal here is the integration. Instead of sourcing separate components for Wi-Fi, Bluetooth, LoRa, and GPS, then figuring out power management and antenna connections, this board brings it all together. The inclusion of solar charging support and a dedicated GPS interface simplifies building self-sufficient, off-grid devices. It’s designed for those who want to dive deep into custom firmware development, whether that's with Arduino IDE, MicroPython, or ESP-IDF, and need a robust platform to experiment on.
What makes it stand out
- Combines ESP32-S3, LoRa, GPS, and solar charging, reducing the need for multiple discrete modules.
- Offers 2MB PSRAM and 16MB Flash, enabling more complex firmware and UI development than typical ESP32 boards.
- Features dedicated interfaces for GPS and solar input, simplifying off-grid and outdoor project builds.
When this isn't the right fit
- This is not intended for casual users or those new to embedded systems.
- Requires firmware flashing before use.
Real-world notes
- The dedicated plastic screw for the OLED display is a curious but necessary design choice to avoid radio interference.
- Sleep mode power draw is impressively low, under 20μA, making it suitable for battery-powered applications.
- The SH1.25 connectors for GPS and solar input are specific and may require adapters or specific cables.
This board makes the most sense when you need a powerful, integrated platform for advanced, long-range IoT projects.
How this price compares over time
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