Electronics > Microcontrollers

WCH $0.10 USD RISC-V MCU

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mon2:
Hi. Perhaps old news elsewhere but new here ?

WCH has some more devices of interest in the pipeline...

$0.10 USD RISC-V MCU

English manual:

https://github.com/openwch/ch32v003/blob/main/CH32V003RM-EN.pdf

https://www.cnx-software.com/2022/10/22/10-cents-ch32v003-risc-v-mcu-offers-2kb-sram-16kb-flash-in-sop8-to-qfn20-packages/

https://www.reddit.com/r/RISCV/comments/y2nw0f/ch32v003_price_is_less_than_010/

https://www.hackster.io/Makergo/ch32v003-development-board-the-chips-are-just-10-cents-7712c9

Kit is out of stock except on Tindie at this time of writing.

https://www.tindie.com/search/?q=CH32V003+

Update (11-03-2022):

1) LCSC has the device and kit now marked as EOL. We pinged WCH for advice and they suggested for us to purchase from their Aliexpress webstore.

2) WCH has recently posted the MCU & kit on their Aliexpress portal at even a lower resale (for the kit & debugger):

https://www.aliexpress.com/item/1005004895791296.html?spm=a2g0o.store_pc_newArrival.8148356.7.356e5c5bzrwqwv&pdp_npi=2%40dis%21USD%21US%20%245.80%21US%20%245.51%21%21%21%21%21%402100bddb16674753165278582e62a5%2112000030932586121%21sh

DavidAlfa:
1.1 cent, 20KB / 496 bytes MB95F354EPF-G-SNE2

1.3 cent, 36KB / 1KB MB95F656EPFT-G-SNE2

There're plenty of such deals. But they're rarely stable, once the 1 cent starts selling well, it either goes $0.90 (Or more), or goes out of stock forever.

wraper:

--- Quote from: DavidAlfa on October 31, 2022, 09:45:48 pm ---For 1 cent, 20KB flash (Not OTP), 496 bytes RAM

https://lcsc.com/mobile/product-detail/Microcontroller-Units-MCUs-MPUs-SOCs_Cypress-Semicon-MB95F354EPF-G-SNE2_C2944972.html

--- End quote ---
It's not a real price and zero in stock. Here is realistic price https://eu.mouser.com/ProductDetail/Infineon-Technologies/MB95F354EPF-G-SNE2?qs=%2FPVulymFwT2EPYkJ23r4XA%3D%3D

SiliconWizard:

--- Quote from: wraper on October 31, 2022, 09:49:11 pm ---
--- Quote from: DavidAlfa on October 31, 2022, 09:45:48 pm ---For 1 cent, 20KB flash (Not OTP), 496 bytes RAM

https://lcsc.com/mobile/product-detail/Microcontroller-Units-MCUs-MPUs-SOCs_Cypress-Semicon-MB95F354EPF-G-SNE2_C2944972.html

--- End quote ---
It's not a real price and zero in stock. Here is realistic price https://eu.mouser.com/ProductDetail/Infineon-Technologies/MB95F354EPF-G-SNE2?qs=%2FPVulymFwT2EPYkJ23r4XA%3D%3D

--- End quote ---

Yes. It's also EOL.

DavidAlfa:
Yeah, but if you buy 20.000 and does the job, what's the problem? It all depends on the project.
Lots of non-EOL products have flown away for months, you're never safe.

Edit:
Ooops, I forgot to click "Apply" after checking "In stock".

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