Renesas’s GreenPAK SPLDs are a good fit for the Stemma QT/QWIIC ecosystem. They are inexpensive, contain assorted analog and digital cells, can be designed by drawing a diagram with a free tool, and can be programmed using standard QWIIC master, in circuit and in production, before or after populating the board.
There is a Python package to program them using an Adafruit QT Py RP2040 here. Above shows a PCB design making them breadboard friendly (layout information).
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Python for Microcontrollers – Adafruit Daily — Python on Microcontrollers Newsletter: A New Arduino MicroPython Package Manager, How-Tos and Much More! #CircuitPython #Python #micropython @ThePSF @Raspberry_Pi
EYE on NPI – Adafruit Daily — EYE on NPI Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey