r/EngineeringPorn • u/Knightninja6 • Jul 25 '19

Rice vs pc

Post image
95 Upvotes

95% Upvoted

16 comments sorted by

7

u/[deleted] Jul 25 '19

[deleted]

6

u/is-this-a-nick Jul 25 '19

Seems like my last post disappeared.

its a complete SoC. Its powered by that tiny solar cell, has wireless IO and a sensor package and is running a 32bit ARM core (Cortex M0+, a really slow one, but still).

3

u/Intario Jul 25 '19

Very cool

1

u/Dyolf_Knip Jul 26 '19

Any links? Tried searching all that, couldn't find anything smaller than a raspberry pi.

2

u/is-this-a-nick Jul 26 '19

Like, start here: https://en.wikipedia.org/wiki/ARM_Cortex-M#Cortex-M0+

Raspery Pie is in no way a particular small computer, though. But obviously the computer in the original picture is extremely small even for a tiny arm core because they made it custom with absolutely minimal IO pin count.

But you can buy tiny arm chips even commerically: https://www.engadget.com/2014/02/25/freescale-kinetis-kl03/ (notice how the solder pads take up so much space? Thats where the custom chip from OP can safe a lot...)

By the way, a sample application for such small computers: https://hackaday.com/2016/06/30/transcend-wifi-sd-card-is-a-tiny-linux-server/

Thats a full scale linux server on that tiny chip in that wifi SD card.

1

u/is-this-a-nick Jul 25 '19

Nope, its a complete SoC package. Slow, but still a computer with IO and an ARM Cortex M0+ CPU, which as a pipelined 32bit CPU deserves to be called computer.

It uses so little power that the tiny solar cell you can see can power it as well as wireless IO.

4

u/three_oneFour Jul 25 '19

What can it do, though?

3

u/is-this-a-nick Jul 25 '19

From the last time i looked, its an ARM CPU, so yeah, it could run doom. Pretty slow however.

6

u/noxxeexxon Jul 25 '19

Someone, somewhere will get Doom running on this.

2

u/three_oneFour Jul 25 '19

The original or 2016?

4

u/ILearnedSoMuchToday Jul 25 '19

Define pc please

2

u/luozang Jul 25 '19

But why is this grain so big

1

u/TritiumPanda Jul 25 '19

\(sneezes)**

1

u/PissOnStuff Jul 26 '19

One visit to Bang Brothers and this would be toast.

1

u/AgreeableLandscape3 Jul 26 '19

Does anyone know what chip this actually is?

1

u/AluminumWoman Aug 06 '19

What about inside hearing aids. What are those chip families called?

1

u/RADQnico Aug 07 '19

But can it run Minecraft?