Mekotronics R57 – A Rockchip RK3576 Edge AI fanless mini PC with HDMI input/output, dual GbE, RS232, RS485, DIO…

Mekotronics R57 is a fanless edge AI mini PC powered by a Rockchip RK3576 octa-core Cortex-A72/A53 SoC with a 6 TOPS NPU, 4GB LPDDR5, a 32GB eMMC flash, and features such as RS485 and dual gigabit Ethernet that makes it suitable for industrial automation.

I initially thought it was a cost-down version of the Mekotronics R58 mini PC that I reviewed with Android 12 as my first ever Rockchip RK3588 device. But while the mechanical design is similar and some of the ports are in the same position, there are some changes with the new model equipped with only one HDMI output, one HDMI input, two GbE jacks, and a terminal block with RS232, RS485, and digital inputs and outputs.

Mekotronics R57 fanless RK3567 mini PC

Mekotronics R57 specifications:

  • SoC – Rockchip RK3576
    • CPU
      • 4x Cortex-A72 cores @ 2.2GHz, four Cortex-A53 cores @ 1.8GHz
      • Arm Cortex-M0 MCU at 400MHz
    • GPU – ARM Mali-G52 MC3 GPU with support for OpenGL ES 1.1, 2.0 and 3.2, OpenCL up to 2.0 and Vulkan 1.1
    • NPU – 6 TOPS (INT8) AI accelerator with support for INT4, INT8, INT16, BF16, and TF32 mixed operations.
    • VPU
      • Video Decoder: H.264, H.265, VP9, AV1, and AVS2 up to 8K @ 30fps or 4K @ 120fps
      • Video Encoder: H.264 and H.265 up to 4K @ 60fps, (M)JPEG encoder/decoder up to 4K @ 60fps
  • System Memory – 4GB LPDDR5
  • Storage – 32GB eMMC flash
  • Video Output – HDMI 2.1 port up to 4Kp120
  • Video Input – HDMI port
  • Audio – 3.5mm audio jack, digital audio output via HDMI
  • Networking
    • 2x Gigabit Ethernet RJ45 ports
    • WiFi and Bluetooth
    • Optional 4G LTE/5G cellular connectivity via mini PCIe socket and SIM card slot
    • 4x antenna holes
  • USB – 1x USB 3.0 port, 2x USB 2.0 ports, 1x USB Type-C port with DisplayPort 1.4 alt mode
  • Expansion – Terminal block with RS232, RS485, 2x digital inputs, 2x digital outputs, 12V, and GND
  • Misc
    • Power button
    • H/L switch for the GPIOs to select “high effective or low effective”
    • Power and Wakeup LEDs
  • Power Supply – 12V DC via power barrel jack
  • Dimensions – 186 x 106 x 33mm
  • Weight – 362 grams
  • Temperature Range – -10 to 75°C

Rockchip RK3567 fanless mini PC with SIM card slot Mekotronics will provide support for Android 14, Ubuntu, Debian, and Buildroot, and the system also supports AI frameworks such as TensorFlow, MXNet, Pytorch, and Caffe through the RKNPU2 toolkit like other recent Rockchip SoCs.

The Rockchip RK3576 fanless edge AI mini PC is available now, and the company told CNX Software that the sample price would be $140 for the default configuration (4GB/32GB). Additional information may be found on the product page. That’s the second hardware platform with RK3576 we’ve covered, the other being the Banana Pi BPI-M5 Pro single board computer.

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15 Comments
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Foss
Foss
6 months ago

This is awesome. The RK3576 is a 8nm SoC that can run with free software also on the GPU (not like the 8nm RK3588 that needs a closed source firmware to run the GPU).
This is a computer people could put on their desk and use is and still have all possible connectors that could be in need.

tkaiser
tkaiser
6 months ago

> The RK3576 is a 8nm SoC that can run with free software

While my parents taught me respect for religious believes I think you need to understand that your focusing on FOSS is a bit silly since the control ‘FOSS’ would have over hardware vanished over the decades anyway.

And GPU BLOBs or not are the least relevant part of this.

Foss
Foss
6 months ago

> would have over hardware vanished over the decades anyway. Then simply tell how the solution for the future should look like. In those upcomming decades would the people then build their computers in some reverse engeneered FPGA’s to get a free as in freedom computer to be able to do whistleblowing like Snowden did? QubesOS do not help when the Hardware is not free like Joanna Rutkowska explained. You are talking about ‘religion’. I am talking about a free world where people like Snowden can blow the whistle and have no technical probelems to do so. Just provide the… Read more »

Willy
Willy
6 months ago

Then if it’s only a matter of drivers and firmware, how does that differ from x86 which just requires a regular mainline kernel ?

Foss
Foss
6 months ago

On x86 you cant run modern amd or nvidia gpus with free software. Also intel ARC require closed source software to run. On a desktop computer with pcie slot you have the freedom to get a nvidia 780ti and run it with fully free software. But you also cant run free software on modern intel or amd cpus. Take a look at the reason why there is for example Libreboot and what hardware it supports. Also RK358* require closed source raminit code that someone should reverse engeneer to make it possible to run a RK3582 (dont have a GPU for… Read more »

Willy
Willy
6 months ago

Then it depends where the software starts for you. What matters to me is that I can boot on free software. I don’t care that much about the BIOS/SPL/early boot code as long as it lets me choose the kernel I want to boot and easily pass arguments to it, or call another boot loader. Regarding GPUs, I’m perfectly satisfied with the one included in the CPU so I don’t have to experience that old pain of drivers that break all the time or that prevent you from switching to a development kernel. Regarding the low-level early init code such… Read more »

Foss
Foss
6 months ago

“get anything of acceptable quality level any time soon”
You seem to have found issues on coreboot’s open raminit. What issues do you have? Could you fill up a bugrepport here? https://ticket.coreboot.org/issues

Willy
Willy
6 months ago

Huh ? no, I never even implied anything like that. I never decided to risk to sacrifice a machine to try it yet. No, I’m just speaking about what’s found in SBCs nowadays. When you see that vendors themselves manage to fail to get their own training code to work and revert to lower frequency with the effect of lowering performance for their customers, you can just imagine what would come of from enthousiasts trying to reverse engineer some obscure code without any datasheet available! I started to see DDR training fail on DDR3 with Atoms, and remember one board… Read more »

Foss
Foss
6 months ago

> no, I never even implied anything like that. You wrote quote: “get anything of acceptable quality level any time soon” This is absolutely telling, that every single opensource raminit out there is not acceptable quality for you. Please fill up the bugreport on coreboot to help the developer get the quality level you expect. > No, I’m just speaking about what’s found in SBCs nowadays. This was not part of yor message before. On SBCs you in general dont find anything. A SBC is delivered in most cases with no software. So you are talking that the quality of… Read more »

Willy
Willy
6 months ago

> Please fill up the bugreport on coreboot to help the developer get the quality level you expect Huh. Very strange conversation. I just told you in the message you replied to that I do *not* use coreboot. I’m not going to spam their issue tracker saying “I don’t know what I’m posting about but user foss on cnx absolutely wants me to write garbage here”. That makes no sense. > > No, I’m just speaking about what’s found in SBCs nowadays. > This was not part of yor message before. Sure it was, that’s the topic of the product… Read more »

tkaiser
tkaiser
6 months ago

> In those upcomming decades …the people will be used to mass surveillance and be fine with it (they already are, see this fascination about all this creepy ‘AI’ crap). When Snowden revealed the bizarre surveillance practices of the US/NSA back then there were at least some spaces that were not completely wiretapped. Today that’s different (Alexa, Cortana, Hey Google, Siri, whatever else 24/7 surveillance program exists) and stupid parents equip their children at an early age with ‘smartphones’ for the sole reason being able to track/surveil them. Those children when grown up won’t know a life w/o total surveillance.… Read more »

Foss
Foss
6 months ago

> the people will be used to mass surveillance Yes, and like in china some people fight against that and put with this fight their life in danger to make everything bettet for everyone. > and be fine with it (they already are) No, stop trying to talk about all people at once. I am for example not fine with it and i know many other people that are also not fine with it. > Today that’s different … Those children when grown up won’t know a life w/o total surveillance. This is completely not true. Those children learn how… Read more »

Willy
Willy
6 months ago

I know we’re getting off-topic, but… > > Today that’s different … Those children when grown up won’t know a life w/o total surveillance. > This is completely not true. Those children learn how to use Tor instead to get around the paranting-jail. They also learn the bad parts of what it could look like at worst. That’s not what I’m seeing. What I’m seeing is kids these days who have pre-filled logins/mails/passwords in their browsers to instantly create accounts to whatever requests one to access one info or download any file, discord and chatgpt obviously being the first ones.… Read more »

Denel
Denel
4 months ago

Is support for dolby vison and atoms, dts x?

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