Comparison page

ESP32 vs HLK-M30

Side-by-side selection notes for specs, ecosystem readiness, known issues, and data confidence. This page is generated from structured component fields instead of a hand-written article.

ESP32

Maker and embedded projects needing Wi-Fi 4 + Bluetooth 4.2 + BLE connectivity with Mature ecosystem and Arduino.

HLK-M30

Maker and embedded projects needing Wi-Fi 4 connectivity with Transparent serial and Module.

Specification Matrix

DimensionESP32 HLK-M30

CategoryWiFi MCUsWiFi MCUs

MakerEspressif SystemsHi-Link

CoreDual-core Xtensa LX6Embedded Wi-Fi MCU

Clock240 MHzVendor module

WirelessWi-Fi 4 + Bluetooth 4.2 + BLEWi-Fi 4

Voltage3.3V3.3V

LibrariesArduino, MicroPythonNeeds verification

Price$1.20 - $2.20$1.50 - $3.00

Known Tradeoffs

ESP32

Module naming, flash size, and pin exposure vary by vendor board
English examples and library support should be verified before production use

HLK-M30

Module naming, flash size, and pin exposure vary by vendor board
English examples and library support should be verified before production use

Open Individual Model Pages

ESP32

Espressif Systems

Classic dual-core Wi-Fi and Bluetooth MCU that remains one of the most searched and widely supported maker wireless chips.

China-madeWiFi MCUs98% confidence

HLK-M30

Hi-Link

Wi-Fi module commonly used for serial transparent transmission and quick IoT connectivity in maker products.

China-madeWiFi MCUs72% confidence