There are 6 repositories under usb-pd topic.
USB-PD soldering station for JBC C245 handles.
Open-Source Firmware for ZY12PDN USB Power Delivery Trigger
Driver / Data logger for FNIRSI FNB48, FNIRSI C1 and FNIRSI FNB58 USB Power meter
USB-C Power Delivery Firmware for STM32 microcontroller (ARM Cortex M0 & M4)
USB Power Delivery Testing Device and Variable Power Supply
USB PD/PPS direct battery charge controller script for the YK-Lab Shizuku USB tester (a.k.a. YK-Lab YK001, AVHzY CT-3, Power-Z KT002, ATORCH UT18).
A smol and simple STM32G431 based Analog to USB toolkit.
USB Type-C Power Delivery Trigger and Monitoring Board
x-cube-usb-pd STM32 Expansion Package related to USB-IF Type-C Power Delivery protocol is no more recommended for new design. The USB power delivery PHY is now integrated in the new STM32 series. See below link.
an usb power delivery powerbank pcb based on IP5328P chip, feel free to use it
Simple USB-C Power Delivery Tester
Use your Arduino to control ismartware SW35xx series fast charger chips, such as SW3518, SW3518s and more.
USB-PD firmware for the stm32f072 - forked from https://git.clayhobbs.com/pd-buddy/pd-buddy-firmware
STM32 expansion package providing an integrated solution for a robust protection of MCU-based USB Type-C applications
Portable Programmable Power Supply
Turn your USB PD Power Adapter into an AC Power Source
USB PD cc pin monitor implemented in a Tang Nano 9K FPGA.
FreeRTOS based USB-PD DRP firmware for the stmf072
Send USB-PD VDMs to Apple devices with ZY12PDN USB Power Delivery Trigger
OtterStepMini is a user friendly, up to 48V 10A stepper-motor-driver with USB-CDC and USB-PD for desktop-applications.