# Question about expansion board **URL:** \ **Category:** DevTerm\ **Created:** [June 7, 2021, 9:13pm UTC](https://forum.clockworkpi.com/t/question-about-expansion-board/6649 "2021-06-07T21:13:12Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![qqMajiKpp](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.clockworkpi.com/qqmajikpp/32/4674_2.png) [@qqMajiKpp](https://forum.clockworkpi.com/u/qqMajiKpp)\ **Post date:** [June 7, 2021, 9:46pm UTC](https://forum.clockworkpi.com/t/question-about-expansion-board/6649/2 "2021-06-07T21:46:54Z")
welcome @jbroxson Check out this hot thread which I invite you to discuss at: @DustinWoods has actually created a GPIO board that apparently opens up a whole new set of gpio pins separate from the fpc header. > [@Designing a Ext. Prototyping Breakout (With Raspberry Pi Hat Compatibility)](https://forum.clockworkpi.com/t/designing-a-ext-prototyping-breakout-with-raspberry-pi-hat-compatibility/6482): > > This thread is for discussing designing an Ext. breakout module for prototyping and potentially connecting raspberry pi hats. Some Design Considerations Cheap Usable as just a PCB (no extra components) 2.54mm spacing with through-hole connectors Compatible (or at least safe) with raspberry pi hats Compatibility I’ve been spending some time getting an iteration worked out. Below are some schematics, layouts, and pin assignments. The main image I’d like to draw attention to is the pin assignm… --- _[View the full topic](https://forum.clockworkpi.com/t/question-about-expansion-board/6649)._