Traffic-HAT-for-Raspberry-Pi-Pi-Supply-PIS-0701-P-The-Traffic-Hat-provides-3-giant-LEDs-a-button-&-a-buzzer-all-on-a-nice-HAT-P-P-The-Traffic-HAT-has-been-designed-to-be-a-quick-&-simple-way-to-get-programming-with-your-Raspberry-Pi-It-comes-as-a-half-soldered-half-kit-package-The-40-way-header-HAT-EEPROM-&-the-resistors-for-the-button-are-pre-soldered-on-the-bottom-side-It-has-been-designed-in-this-way-to-have-all-of-the-harder-to-solder-components-already-done-for-you-Al