# TLDR Review: HiLetgo ESP32 Development Board

*Published: 2026-04-05 | Updated: 2026-04-05 | Source: https://shopsavvy.com/reviews-tldr/hiletgo-esp32-development-board*

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## Product: HiLetgo ESP32 Development Board
**Brand:** HiLetgo

## Pros
- Compact and powerful development board with dual-core ESP32 microcontroller offering strong performance for real-time tasks
- Integrated 2.4GHz dual-mode WiFi and Bluetooth provide reliable wireless connectivity without flaky connections
- Compatible with Arduino IDE and MicroPython, enabling flexible and straightforward programming options
- Fast upload speeds (up to 921,600 Baud) speed up development cycles significantly
- More GPIO pins compared to ESP8266, including multiple ground and Vcc pins, making it versatile for projects needing many inputs/outputs
- Works well with Arduino IoT platform and supports various sensor and motor experiments
- Clear documentation and top-view pinout diagrams simplify setup despite pin labels being on the bottom
- Durable build quality and compact size allow easy use on breadboards while exposing sockets on both sides
- Pre-written libraries and simple logic make it accessible for beginners and inspire many connected projects
- Suitable for creating weather stations and other sensor-based home automation projects

## Cons
- Initial driver installation on Windows systems can be tricky and requires troubleshooting
- Actual product dimensions differ from listed specifications (28.5 mm wide x 51.5 mm long vs. expected 25.4 mm x 48.26 mm)
- Board has 15 pins instead of the 18 pins indicated in some descriptions, which may affect certain project plans
- Limited onboard storage requires code optimization for larger or more complex applications
- Pin labels on the bottom side may be inconvenient for some users
- Does not have official support for the Blynk app, limiting some IoT integration options

## Bottom Line

The HiLetgo ESP-WROOM-32 ESP32 Development Board is a solid choice for anyone looking to dive into WiFi/Bluetooth microcontroller projects with plenty of GPIO flexibility and robust performance, especially if you’re using the Arduino IDE or MicroPython. While you might encounter some minor annoyances like driver setup challenges and slight divergence from listed physical specs, the board more than makes up for it with its versatility, reliability, and fast upload speeds. If you need more pins or exact adherence to specs, double check the pin count before purchasing, but for most DIY tech enthusiasts and hobbyists, this board delivers excellent value and fun experimentation potential.

If you want to explore a similar board with perhaps clearer specs or different feature sets, keep an eye on other ESP32-based boards that might better suit specific pin requirements or come with better app ecosystem support.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Compact and powerful development board with dual-core ESP32 microcontroller offering strong performance for real-time tasks | Initial driver installation on Windows systems can be tricky and requires troubleshooting |
| Integrated 2.4GHz dual-mode WiFi and Bluetooth provide reliable wireless connectivity without flaky connections | Actual product dimensions differ from listed specifications (28.5 mm wide x 51.5 mm long vs. expected 25.4 mm x 48.26 mm) |
| Compatible with Arduino IDE and MicroPython, enabling flexible and straightforward programming options | Board has 15 pins instead of the 18 pins indicated in some descriptions, which may affect certain project plans |
| Fast upload speeds (up to 921,600 Baud) speed up development cycles significantly | Limited onboard storage requires code optimization for larger or more complex applications |
| More GPIO pins compared to ESP8266, including multiple ground and Vcc pins, making it versatile for projects needing many inputs/outputs | Pin labels on the bottom side may be inconvenient for some users |
| Works well with Arduino IoT platform and supports various sensor and motor experiments | Does not have official support for the Blynk app, limiting some IoT integration options |
| Clear documentation and top-view pinout diagrams simplify setup despite pin labels being on the bottom |  |
| Durable build quality and compact size allow easy use on breadboards while exposing sockets on both sides |  |
| Pre-written libraries and simple logic make it accessible for beginners and inspire many connected projects |  |
| Suitable for creating weather stations and other sensor-based home automation projects |  |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*