Generic JDY-30 = JDY-31 SPP-C Bluetooth serial pass-through module wireless serial communication from machine Replace HC-05 HC-06

Description

📶 Upgrade your wireless game with JDY-30: The smart serial module you can't afford to miss!

The JDY-30/31 Bluetooth serial pass-through module offers a powerful upgrade over legacy HC-05/HC-06 modules, featuring Bluetooth V3.0 + EDR, a built-in PCB antenna, and a flexible voltage range (1.8V-6V). Designed for seamless UART interface integration, it supports a variety of applications including Bluetooth printers, POS machines, and smart home devices, delivering fast and stable wireless serial communication in the 2.4GHz ISM band.