![]() ![]() ![]() It started life as strips of oak reclaimed from an old kitchen table, which were laminated together to make a solid block. While undeniably a simple project from an electronics standpoint, the wooden enclosure built is an interesting change of pace from the 3D printed fare we normally see around these parts. Thanks to the excellent ESP32-BLE-Keyboard library, it only took a few lines of code to fire off the appropriate key strokes when the left or right button was pressed. ![]() The microcontroller just needed to have two switches wired into the GPIO pins, in this case the same heavy-duty plungers you’d find on a guitar pedal, and a USB bulkhead pass-through to provide power. Looking for a hands-free way to page through sheet music on an iPad, came up with this simple Bluetooth input device based on the ESP32. ![]()
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