Using PiSquare, you can connect and control several Raspberry Pi HATs wirelessly.

£9 PiSquare Can Connect Multiple Raspberry Pi HATs Wirelessly 

PiSquare, designed by SB Components in the United Kingdom, may be of interest to Raspberry Pi users searching for a means to wirelessly link numerous Raspberry Pi HATs without the requirement for Multistaking. From April 1st, 2022, PiSquare will be available for purchase on Kickstarter, and you can learn more about the little board in the video below. PiSquare will be beneficial to makers, developers, and hobbyists in a variety of ways.

PiSquare Features

• Connect and run as many HATs wirelessly as you like
• You can also use PiSquare as a Master/Server
• Eliminate the need for a single SPI, UART, or I2C connection
• Can be controlled from a smartphone
• Simple programming (PiSquare Use Socket Programming)

"With PiSquare, you can construct a server out of a Raspberry Pi and run as many HATs as you want as a client to run multiple Raspberry Pi HATs, or you can make the PiSquare a client and run it as a master for all the other PiSquare as much as you want." Run any HAT on a single PiSquare and control it with your phone, and use PiSquare to establish two-way communication between the client and the server."

New Product Alert: #PiSquare an #RP2040 & #ESP12E based board, a smart way to use multiple @Raspberry_Pi HATs without stacking on Raspberry Pi. https://t.co/yF2zc0xHUA pic.twitter.com/WtkUOPuiaw

— SB Components Ltd (@sb_ltd) March 24, 2022

"PiSquare is a board based on the RP2040 and ESP-12E that allows you to utilize several Raspberry Pi HATs without stacking them on the Raspberry Pi. PiSquare employs socket programming to wirelessly interact multiple ("n") Raspberry Pi HATs."

Official Page: PiSquare