HLK-7688A OpenWrt Development Board Comes with an Audio Jack

We first tested MediaTek MT7688 MIPS processor in Mediatek Labs' LinkIt Smart 7688 / 7688 Duo hardware development kits running OpenWrt in 2015 with the boards having a focus on IoT applications. A year later, Widora NEO board launched with an audio jack for connected audio applications, but AFAIK it's not available anymore.

There's now another OpenWrt audio board based on the processor with HLK-7688A board featuring Hi-Link HLK-7688A module which we previously found in MatchBox LoRaWAN gateway.

HLK-7688A board specifications:

• Wireless Module - HLK-7688A based on MediaTek MT7688 MIPS24KEc processor @ 580 MHz, and equipped with 32MB

The full article can be found @ https://www.cnx-software.com/2019/11/07/hlk-7688a-openwrt-development-board-comes-with-an-audio-jack/