GitHub Daily Series #9: Drone and Hardware Build Sprint on February 23 (Second Wave)

This is episode 9 of the GitHub daily series and a second-wave update for February 23, 2026 (JST), covering public GitHub work after Series #8, with data captured at 16:33 JST.

Second-wave public snapshot so far (since Series #8): 6 repositories updated, 6 commits, +31264 / -0 lines changed, with event activity concentrated in 5 CreateEvents and 1 PushEvent.

pengforge was launched as a drone development workspace and contributed the largest addition in this wave (+19896 lines), establishing a broader base for related drone projects. Repo: https://github.com/nktkt/pengforge

peng-quad-custom was added as a quadrotor PID simulation project with hot-reload and wind disturbance support, extending the drone work into controllable simulation experiments. Repo: https://github.com/nktkt/peng-quad-custom

drone-flight-controller was released as a PID-stabilized flight controller implementation, complementing the simulation work with a controller-focused repo. Repo: https://github.com/nktkt/drone-flight-controller

drone-circuit-usb-pd-power was created as a USB-C PD power supply circuit design (5V/3A + 3.3V/1A), adding a hardware power subsystem to the same build wave. Repo: https://github.com/nktkt/drone-circuit-usb-pd-power

blackhole-viz was launched as a Schwarzschild black hole visualizer, adding a separate visualization project alongside the drone and hardware repos in the same sprint. Repo: https://github.com/nktkt/blackhole-viz

nktkt (profile repository) was updated to publish the latest note and keep project links aligned with the newly created drone and hardware repositories. Repo: https://github.com/nktkt/nktkt

Repository links: https://github.com/nktkt/pengforge https://github.com/nktkt/peng-quad-custom https://github.com/nktkt/drone-flight-controller https://github.com/nktkt/drone-circuit-usb-pd-power https://github.com/nktkt/blackhole-viz https://github.com/nktkt/nktkt