guidol

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About guidol

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  1. guidol

    TTL to RS232 possible?

    Do you power via the VCC Pin (only RX,TX,GND isnt powered) - and with how much Volt? Specifications Operating voltage: 3.3V-5V DC Operating current: 6mA Power supply: external Which RS232 cable/adapters do you use? maybe if more than 1 nullmodem will switch back to RX/RX and TX/TX. Or did you use gender changers or 9->24pin adapters?
  2. guidol

    TTL to RS232 possible?

    Maybe you have only to disable handshake in you terminal programm (RTS/CTS, DSR/DTR/DCD,XON/OFF) for 3 wire (RX,TX,GND) connection or do build a non-handshake-cable.
  3. guidol

    TTL to RS232 possible?

    Does your converters got a connector for power like the http://www.friendlyarm.com/index.php?route=product/product&product_id=89 for a NanoPi?
  4. chances - I think yes....but near future - I dont think so:
  5. Yes - the Orange Pi Zero Plus does need his own image You could use https://dl.armbian.com/orangepizeroplus/archive/Armbian_5.45_Orangepizeroplus_Debian_stretch_next_4.14.43.7z or you may select one by your own choice from https://dl.armbian.com/orangepizeroplus/
  6. because of the emmc of the Core2 I do use image of the NanoPi Neo Plus2 (also H5 CPU) https://dl.armbian.com/nanopineoplus2/ but @Igor the NanoPi Neo Plus2 isnt at the Download-page https://www.armbian.com/download/?tx_maker=friendlyelec
  7. guidol

    Orange pi 4G-IOT

    Now there is Android 8.1 for this device: https://www.cnx-software.com/2018/05/24/android-8-1-firmware-and-sdk-released-for-orange-pi-4g-iot-board/
  8. guidol

    SD Card Boot Recovery

    Hmm how about a "quick &dirty" way? Setting up a empty/clean/fresh system with the same kernel/system and copy all the clean old files in the new installation...and see what happens. Maybe less work as setting up the complete system again?
  9. guidol

    SD Card Boot Recovery

    How about inserting the microsd-card in another linux system and doing a fsck on the filesystem of the micro-sd card? If you are lucky fsck could fix this for you?
  10. for low-power/thermal or underclocking-reasons?
  11. guidol

    Odroid C2 - Loosing conection after 5 minutes work

    Maybe these are 2 problems? Iam personally didnt use the Desktop & Browsers, becausse - from my personal view - a Desktop and WebBrowser need more than 2GB of Ram to work properly. Mostly because I often have more than 30 tabs open So your C2 could run into low memory before if there are some scripts at the webpages. The second problem which sound familiar to me is that I sometime cant "apt upgrade" / fetch packages via "apt install" - BUT thats only a file-lock of the automatic package-installer. So I can do a "apt update" but when the automatic updater is running I cant "apt upgrade" or install a package. In this case I do use "ps -ef|grep apt" and if I see more apt-command-lines in working state I do wait some minutes and check again. When the commands are ready then I could do my "apt upgrade" But I did never lost the connection to the internet - because when the automatic updater is running I allways could do successfull a "ping 8.8.8.8"
  12. Sounds OK for me - on my PiHole, a OPi PC2 with 1GB Ram - I extended the log2ram-size from 50MB to 250MB Before the OPi PC2 I got a OPi One as PiHole - and did get less problems while setting the size from 50 to 150MB - but a good logrotate and cleanup is also fine for me
  13. guidol

    Odroid C2 - Loosing conection after 5 minutes work

    strange I do use Linux odroid-c2 4.14.40-odroidc2 #53 SMP PREEMPT Fri May 11 09:18:03 CEST 2018 aarch64 aarch64 aarch64 GNU/Linux root@odroid-c2:/var/log# lsmod Module Size Used by dwmac_meson8b 16384 0 meson_drm 45056 3 meson_dw_hdmi stmmac_platform 20480 2 dwmac_generic,dwmac_meson8b drm_kms_helper 188416 3 meson_dw_hdmi,meson_drm,dw_hdmi stmmac 114688 3 stmmac_platform,dwmac_generic,dwmac_meson8b and dont have any disconnects - my C2 is running several days... The only problem is that I have a massise growing file names /var/log/wtmp In dmesg it shown after 1-2 days: [62910.273705] systemd-journald[1405]: Failed to open system journal: No space left on device [62910.274272] systemd-journald[1405]: Failed to open system journal: No space left on device [62910.274562] systemd-journald[1405]: Failed to open system journal: No space left on device [62910.275904] systemd-journald[1405]: Failed to open system journal: No space left on device [62910.276227] systemd-journald[1405]: Failed to open system journal: No space left on device
  14. guidol

    Orange pi H3 not booting

    the v1.3 has another DRAM Type against the V1.2: https://linux-sunxi.org/Orange_Pi_PC DRAM 1GiB DDR3L ( v1.2 K4B4G1646Q-HYK0, v1.3 K4B4G1646E-BYK0) @tony 1812 for Desktop-uasge you can use the image https://dl.armbian.com/orangepipc/Ubuntu_xenial_default_desktop.7z or as Server use the image https://dl.armbian.com/orangepipc/Debian_stretch_next.7z
  15. guidol

    Update Odroid C2 U-Boot to v2018.03

    "same" problem - but with the NanoPi Core2 (using the image for the NanoPi Neo Plus2) - via "apt upgrade" : Setting up linux-u-boot-nanopineoplus2-next (5.45.180521) ... Device /dev/mmcblk0 does not exist, skipping root@nanopi-core2:~# ls /dev/mmc* /dev/mmcblk2 /dev/mmcblk2boot0 /dev/mmcblk2boot1 /dev/mmcblk2p1 /dev/mmcblk2 is the internal emmc of the NanoPi Core2 (there is no sd-card inserted - armbian was installed via armbian-config from sd-card to emmc) As Information: System diagnosis information will now be uploaded to http://ix.io/1aZk But at http://apt.armbian.com/pool/main/l/linux-u-boot-nanopineoplus2-next/ there isnt a 5.45.180521 u-boot .deb [EDIT] OK I did found it wget http://beta.armbian.com/pool/main/l/linux-u-boot-nanopineoplus2-next/linux-u-boot-next-nanopineoplus2_5.45.180521_arm64.deb DEVICE=/dev/mmcblk2 dpkg -i ./linux-u-boot-next-nanopineoplus2_5.45.180521_arm64.deb Setting up linux-u-boot-nanopineoplus2-next (5.45.180521) ... Updating u-boot on /dev/mmcblk2