[Image] A circuit board with no design sense has become the hottest “AI hardware” on the internet. Author: Su Zihua Editor: Jing Yu You may have come across a simple circuit board or a square box that can engage in voice conversations on short video platforms. Over the past two months, a phenomenal project has emerged in the AI hardware field – “Xiao Zhi AI”. The voice assistant in the video speaks with a Taiwanese accent. Compared to the previous…