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the cheapest cortex-m4fs in stock on digi-key, trying to omit duplicates, are the 3-dollar nuvoton m481le8ae https://www.digikey.com/en/products/detail/nuvoton-technolog..., the 3-dollar maxim max32660 https://www.digikey.com/en/products/detail/analog-devices-in..., and the 5-dollar atmel atsamd51 https://www.digikey.com/en/products/detail/microchip-technol.... their cheapest stm32g4 is the stm32g441kbt6 which rounds to 4 dollars https://www.digikey.com/en/products/detail/microchip-technol...

where do you get them for under 2 dollars?

(digi-key does list the nuvoton chip for barely under 2 dollars in quantity 500)



https://jlcpcb.com/partdetail/Stmicroelectronics-STM32G431CB...

JLC: $2.1 for qty=1. $1.3 at 1k qty.

Loads of stock. It's a low flash and low RAM variant, but sufficient for some purposes. 170Mhz CPU with many onboard periphs.


fantastic, thanks!




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