This Hat is for the Rs232 using computer, it add 2 more channels to the raspberry pi, so you can communication with another computer over rs232. This Hat is not limited to just raspberry pi, it can be used with a computer over wi-fi or 3.
This Rs232 expansion Hat is for people that want to easily add an additional channel to the raspberry pi 4 b to more information or stimulation this expansion Hat is further clear an addition to the Rs232 controller to provide digital signals to a computer for user input, this Hat is designed for the raspberry pi Rs232 user. It grants a large, bright, and durable Hat design, the Hat provides three eyes and a bright, large, white light up each side. The Hat as well large and can fit on the head of a raspberry pi Rs232 user, this Hat is unrivalled for use in environments where large light is needed. This Hat is moreover durable and can last long using plating, this is a complete Rs232 Hat kit for the rpi raspberry pi zero 2 w wh an 3 model b plus 4 2 gb 8 gb. The kit includes a Rs232 hat, an antenna, and an 3 m scotch tape adhesive band, it can also be used to connect a bluetooth or wi-fi device to the rpi. This Rs232 expansion Hat is top-of-the-line for enthusiasts digging for a high-quality, isolated 2-ch network interface, this Hat is additionally available in other colors and styles to tailor your specific needs.