Orange Pi Zero LTS SBC Launched for $8.49 and Up

Orange Pi Development Boards

Orange Pi Zero LTS is an update to Orange Pi Zero Allwinner H2+ board with the same specifications, but tweaks to the hardware that Shenzhen Xunlong Software claims lower power consumption and reduce heat.

The SBC supports Armbian’s Debian and Ubuntu images, and best suited for headless applications that require network connectivity via Ethernet and/or WiFi such as smart speakers. The board also features one USB port, and two I/O headers for expansion. The good news is that you can now buy Orange Pi Zero LTS for the same price as the original model, namely $8.49 for the 256MB RAM version, and $10.49 for the 512MB model$10.49 for the 512MB model, excluding shipping costs ($4.73 to my location).

Orange Pi Zero LTS Allwinner H2 SBC
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Here’s a reminder of Orange Pi Zero LTS (v1.5) specifications:

  • SoC – Allwinner H2+ quad-core Cortex A7 processor @ 1.2 GHz with Mali-400MP2 GPU @ 600 MHz
  • System Memory – 256 to 512 MB DDR3-1866 SDRAM
  • Storage – MicroSD card slot, SPI flash (likely 2MB)
  • Connectivity
    • 10/100M Ethernet
    • 802.11 b/g/n WiFi via Allwinner XR819 module with u.FL antenna connector and external antenna
  • USB – 1x USB 2.0 host port, 1x micro USB OTG port
  • Expansion headers
    • Unpopulated 26-pin GPIO header mostly compatible with Raspberry Pi (1) header
    • 13-pin header with headphone, 2x USB 2.0, TV-out, microphone and IR receiver signals
  • Debugging – 3-pin header for serial console
  • Misc – 2x LEDs
  • Power Supply – 5V via micro USB port or optional PoE
  • Dimensions – 48 x 46 mm
  • Weight – 26 grams

Allwinner H2 SBCSome important information for those just getting started.

  1. Allwinner XR819 WiFi module does work, but performance is usually inferior to Ampak modules. It’s still good enough for most purpose however.
  2. The company provides Ubuntu, Debian, Raspbian, Android 4.2/7.0, and OpenWrt images on their resources page (look for “Orange Pi Zero”), but if you want to avoid headaches, go for one of the Linux images on Armbian website instead.
  3. There’s no video output, except for the TV out on the header for composite video.
  4. The SPI flash can be used to store U-boot, so network boot is feasible without the need for a microSD card.

While we do have numbers showing lower power consumption and temperature, the company did not provide details explaining how they managed to improve the board’s efficiency. They may have done improvements to the power circuitry, but some people suspect they may have just lowered the CPU supply voltage, hence limiting the maximum CPU frequency and as a result lowering performance. This will have to be tested independently.

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The Problem? It uses a garbage XRadio WiFi chip.

dgp
Guest
dgp

The xradio chip is probably fine as it’s originally an st-ericsson design. Unlike almost everything except broadcom chips virtual interfaces etc actually work.
If someone could work out why it drops so many frames it would be very good for such a cheap chip.

geokon
Guest

between this and the Nanopi Duo2, which would you recommend going for? And I guess which would have the better support and ecosystem?

A bit of shot in the dark… but anyone know if it possible to do gpio with either through Java? At least for first-pass prototyping I mostly make stuff up in Clojure lately 😛

dimtass
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dimtass

You can use sysfs to handle the gpios. Every gpio is a file, so you just need to open, read and write in those files using java or whatever programming language.

https://elinux.org/GPIO

dgp
Guest
dgp

Writing a library for the not deprecated character interface would be a better idea.. or using an interface generator to put a wrapper around the existing C library for the aforementioned character interface.

geokon
Guest

Oh interesting! That’s really good to know. So it can be written in a pretty generic way then. Thanks for that, and I can test that out over the weekend with another board pretty easily 🙂

Does the same go for things like i2c and spi?

dgp
Guest
dgp

Both i2c and spi have character interfaces that can be driven like files but really need ioctl() calls to be useful. There are probably libraries out there that wrap it all for you.

geokon
Guest

This helped a lot and pointed me in the right direction 🙂
There is actually the Java DIO library (part of the JDK) That should handle this. I’ll give it a shot and post an update if it works

Is there anything to keep in mind between this and the Nanopi Duo2? I like the breadboard friendly form factor but this one seems to have more buzz about it

John S.
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John S.

Did you notice https://github.com/sgjava/userspaceio ? I’m not a Java person, and have no opinion on the Java bindings there, but I have used the python bindings before.

I’m not sure, but I seem to recall that the author was pretty active in discussion on the libgpiod (the canonical C userspace implementation) github issues, but they seem to have been deleted when the project moved to kernel.org. If I’m remembering right it highlights that the userspaceio project is pretty on top of staying up to date and compliant with the modern kernel interface.

geokon
Guest

thanks for that! it looks like the most up to date Java binding. I’m going to see if it’s easiest to use this or to do it manually through JNA.

Schmurtz
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Schmurtz

I2S pins are accessible on LTS and zero2 to avoid to make something crazy like on this topic ?
Not allow to make good boombox with opi zero is a shame.

https://forum.armbian.com/topic/6021-orange-pi-zero-i2s/

Tom Cubie
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ROCK Pi S in Debian headless idle current is [email protected]

Ray Knight
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Ray Knight

Where does one purchase the elusive ROCK Pi S? Seeed Studio appears to carry the ROCK Pi 4, but no mention of the S.

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Rodrigo Benavides

$ 9 shipping, no thanks