dorianborian / sesame-robot

Open-source mini quadruped robot built on an ESP32, with 3D-printable parts, 8 servos, and an OLED face.

ExpressLRS / ExpressLRS

Open source LoRa-based radio control link firmware for FPV drones and RC vehicles, running on ESP and STM32 hardware.

qmk / qmk_firmware

Open-source firmware for custom keyboard controllers, supporting AVR and Arm USB microcontrollers and many keyboard designs.

hathach / tinyusb

Cross-platform USB host and device stack in C for embedded systems, with no dynamic allocation and interrupts deferred to task context.