Testing out the Milk-V Duo - The new $9 RISC-V eSBC that runs Linux!

Buy Yours Now: https://shop.plati.ma/collections/all...

These are one hardcore little unit! Rather easy to use too. And yes, I am coining the term (thanks some random Redditor) eSBC - meaning embeddedSBC. With:
- Dual-Core RV64 Processor
- 64MB DDR2 RAM
- TF/microSD & SPI
- 10/100 Ethernet
- TPU
- 26 GPIOs
- USB-C
- 5V Input
- 3.3V 2A Output
- Low Battery Detection
- CSI 2-Lane MIPI
- Hardware H.264/H.265 Encoding
- I2C, ADC, PWM, UART, SPI, SDIO, and JTAG Support
- Surface-Mount Compatible

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Here I show you what the parts of it are, how to flash it with the Linux image, how to gain SSH access to it, how to monitor it booting over serial, and then how to cook it with a DIY janky 24V POE adapter that faulted.

Should I build my own image for this with ION RAM already freed up, SDIO1 preconfigured for wifi, dhclient installed, and similar? Let me know in the comments!

V1.2 SCHEMATIC NOW AVAILABLE: https://github.com/milkv-duo/duo-hard...

⚡ Power Consumption
- Source: 5V
- Without SD card: 15mA (very low)
- Booting: 80-114mA, average about 90 (normal)
- Idle after boot: 62mA (good)

Chapters
00:00 Introduction to this eSBC
01:30 Physical Overview
02:25 Comparison with Ox64
03:38 Processor Discussion
04:34 Power & Network over USB-C (RNDIS)
04:56 GPIO Changes Between Hardware Revisions
05:36 Serial Pins
05:45 RAM/Memory Limitations due to ION
05:59 Important Power Pins
06:47 How to Flash SD Card with Linux
09:48 Connecting & Booting First Time
10:32 SSH via RNDIS
11:40 Checking Memory, Storage, Networking and Processor
12:49 Soldering Montage
13:18 Serial Connectivity via UART
14:42 Watching it Boot (115200 Baud)
17:23 Ethernet Connectivity #FAIL
19:08 Realising I Failed
20:25 Product Summary
20:49 Outro & Shop Info
22:15 Realising One Is Just Overheating

🔗 Resources
- Product Page: https://milkv.io/duo
- Main Github Repo: https://github.com/milkv-duo/duo-buil...
- SD Image Used: https://github.com/milkv-duo/duo-buil...
- Changing ION Reserved RAM: https://github.com/milkv-duo/duo-buil...

📚 References/Datasheets:
- Wiki Overview: https://milkv.io/docs/duo/overview
- Duo PDFs: https://github.com/milkv-duo/duo-files (Pending V1.2 schematic PDF)
- Old Repository: https://github.com/milk-v/duo-manifest (Has info about ION)
- CV1800B Datasheet: https://github.com/milkv-duo/hardware

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#Platima #Milk-V #SBC

Music Credits
The Cannery Kevin MacLeod (https://incompetech.com/music/royalty...)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/b...