Cheapest 32bit CPU to date...
These Cortex M0 modules are 14rmb on Taobao, just over $2 a pop, with more number crunching speed than my first ever PC (40DMIPs).
The CPU is the STM32F030, a 48MHz devuce with limited I/O (I2C, SPI) in a 20 pin TSSOP. The going rate for this chip is 2.4rmb ($0.40).
I have an idea to build a DAC with a handful of these little beauties carrying out some of the filtering.
Update - a price drop just happened on Taobao to a similar board, now down to 9.9rmb - https://item.taobao.com/item.htm?spm=...32&ns=1#detail
Pic attached of this mind-numbingly affordable board.
Aliexpress has the boards I bought now, priced at $6.20 but this includes 'free' shipping - https://www.aliexpress.com/item/stm32...701304725.html
The CPU is the STM32F030, a 48MHz devuce with limited I/O (I2C, SPI) in a 20 pin TSSOP. The going rate for this chip is 2.4rmb ($0.40).
I have an idea to build a DAC with a handful of these little beauties carrying out some of the filtering.
Update - a price drop just happened on Taobao to a similar board, now down to 9.9rmb - https://item.taobao.com/item.htm?spm=...32&ns=1#detail
Pic attached of this mind-numbingly affordable board.
Aliexpress has the boards I bought now, priced at $6.20 but this includes 'free' shipping - https://www.aliexpress.com/item/stm32...701304725.html
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Posted 3rd August 2014 at 08:37 AM by abraxalito
Updated 3rd August 2014 at 08:42 AM by abraxalito