# Tinkering ideas in preparation **URL:** \ **Category:** DevTerm\ **Created:** [May 15, 2021, 1:57pm UTC](https://forum.clockworkpi.com/t/tinkering-ideas-in-preparation/6588 "2021-05-15T13:57:50Z")\ **Posts on this page:** 1\ **Showing post:** 12
**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 4, 2021, 9:21pm UTC](https://forum.clockworkpi.com/t/tinkering-ideas-in-preparation/6588/12 "2021-06-04T21:21:10Z")
Someone else here created an ext board that offers a gpio breakout, if you are seeking to expand while utilizing the empty space. It may or may not interest you. > [@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/tinkering-ideas-in-preparation/6588)._