Actually, they did a huge buy of RP2040 right out of the chute, in order to get decent prices. Heck, in not huge quantities, the chip costs $ 0.70 --- not so

Actually, they did a huge buy of RP2040 right out of the chute, in order to get decent prices. Heck, in not huge quantities, the chip costs $ 0.70 --- not so bad. But if you want super cheap, 'standard'-type uC chip, look at the $ 0.10 https://github.com/openwch/ch32v003/tree/main https://github.com/openwch/ch32v003/tree/main