tooz

hello @normally96, not sure if i quite catch it, but i assume that you're trying to use linux instead of android? the easiest way is to download the debian os from the official website, use the balena etcher to flash the image to a sd card, and use the sd card to boot the board reference: Tinker Board 2 & 2S · TinkerBoard/TinkerBoard Wiki

hello @ErrorFinder, the boot order is sd card > emmc by default so technically if a sd card with img is loaded, you don't have to do anything and the board will boot from sd

hello @Jovan, 1. do you have idea which stage it boots to on tinker board r1.03? (u-boot, system ... etc) 2. is it possible to collect the uart logs for us to investigate? (please see the post embedded for the how-to on using serial dongle) 3. have you tried using the os from the official website and if so does the same issue happen? (it's worth noting that there's a cap on the board that keeps the board in maskrom mode if not removed)

hello @Fantasy, you can download the boot.img of android v.3.0.2 here: https://www.asuswebstorage.com/navigate/a/#/s/C2F055F2E3A64D46BA7C63A4BF9F6D864

hello @Jovan, what have you added in your master image? is there anything related to /proc/boardinfo ?

hello @Jovan, if you click the plus + symbol next to download button on Tinker Board you can see the release notes for each version

hello @nikolic730, reasons can vary, you might want to check if it works with another cable, or the other setting that i listed in another post

hello @ryo, we've tested your sample code and cannot reproduce the issue. 1. please ensure the multi-function is switched to uart0 (pwm0, pwm1, pwm2, pwm5 are all disabled, otherwise it'll be conficted with uart0, this can be checked in /boot/config.txt ) 2. does ttys0 exist under /dev/ ? ls /dev/ if the answers above are yes, what does the error look like?

heloo @Fu-., looks they're in spi mode. to further investigate the issue: 1. which version of the os are you using? 2. is tinker board 2s connected to other peripherals/ components?

hello @FlostonParadise, you can check the drawings for reference: Tinker Board there are also aluminium cases avaiable in the market

hello @Fu-., from what you decribed it's possible that it might be a hardware issue, but i'm not 100% sure. have you also modified the settings of /boot/config.txt ?

hello @Fu-., have you tried using sysfs instead?

hello @Fu-., setting spi is not supported in wiringpi what are you setting for gpio2c6 and gpio2c7 and what's your configuration?

hello @Augusto Hertz, the android releases can be found on the official website: Tinker Board the latest version is: Tinker Board 3 Android 14 (kernel 6.1) V.1.0.9

hello @deanmsands3, the official distro uses x11 instead of wayland and we cannot guarantee that gpu/ diplay will function well with this massive change in terms of mali midgard driver updates, we usually integrade the software development kits release from rockchip, instead of fetching sources from arm. this way we're more confident with the hardware compatibility may we know in what cases it works and in what cases it doesn't? are you able to fetch the node in xrandr.cfg? cat /boot/display/hdmi/xrandr.cfg

hello @deanmsands3, did you compile the .img by yourself, or was it downloaded from the official website: Tinker Board if it's the latter, which version are you using? we're trying to duplicate the issue and see what goes wrong

hello @Vova Efcom are you looking for 4 pin female connector for tinker board or tinker board 3n?

hello @deanmsands3, thank you for letting us know & updating the solution

hello @deanmsands3, you will have to download the sources and re-compile the boot image in order to replace boot logo: https://github.com/TinkerBoard/TinkerBoard/wiki/Developer-Guide#changing-the-boot-logo

hello @Vova Efcom, is it possible for us to have a look at the logs? ( under /var/log) what's the model name of the panel?

hello @wesselTOP, we will need more logs to debug the issue 1. to collect logs via tty uart: 2. to collect kernel logs with adb shell command: adb shell dmesg > kernel.log

hello @Vova Efcom, please check the wiki for image compilation: Tinker Board 3N · TinkerBoard/TinkerBoard Wiki

hello @Vova Efcom, have you tried method #2 mentioned in the tinker board 3n wiki? Tinker Board 3N · TinkerBoard/TinkerBoard Wiki (method #1 works too, but it would require rebuilding kernel image)

hello @tsukazaki, we're aiming to include this in the upcoming release and it will be supported in v.1.0.6 or later versions and here are the sources and docs for eapi: Tinker Board 3 & 3S · TinkerBoard/TinkerBoard Wiki

hello @tsukazaki, it would be more convenient for you to use either mraa or eapi than the gpio commands for sure 1. for mraa, please flash to android (the images can be downloaded from the official website and the latest version is Tinker Board 3 Android 14 (kernel 6.1) V.1.0.9 ) for instructions and sample code of mraa, please visit the wiki: https://github.com/TinkerBoard/TinkerBoard/wiki/Tinker-Board-3N#343-mraa-library-for-android 2. will update the information of eapi later once it's available