# trainpad Custom four key keyboard. **See each individual board for pin information.** * Keyboard Maintainer: [Ananya Kirti](https://github.com/AnanyaKirti) * Hardware Supported: custom stacked FR4 case * Hardware Availability: Contact bob at [IMKC Discord](https://discord.gg/imkc) ## Bootloader Enter the bootloader: * **Bootmagic reset**: Hold down the far left key while connecting the USB cable. * **Physical reset button**: Briefly press the tactile button on the back of the PCB. Make example for this keyboard (after setting up your build environment): make trainpad:default Flashing example for this keyboard: make trainpad:default:flash See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).