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  1. bushtech

    Optical Pickup

    +1
  2. bushtech

    1977 Realistic STA-90

    I would give it a good clean first so that you can see if there are any burnt tracks, dry solder joints, bulged caps. etc. Then disconnect and reconnect all plugged wires to see if there are any bad/loose connections. By then you should have a pretty good idea if it's safe to switch on.
  3. bushtech

    Embedded Project In Linux

    What happens when you do sdcc <enter>?
  4. bushtech

    Optical Pickup

    Would a piezo vibration sensor give you something to work with. You would have to shield it from the adjoining strings. If I'm talking nonsense please ignore me. Way out of my depth here
  5. bushtech

    Embedded Project In Linux

    The -v option just tells you what version of the package in question is installed. To run sdcc just type sdcc I suggest you install Synaptic. Just google install synaptic in ubuntu. Then you can check if something is installed or not Also run update and upgrade again to ensure you are not...
  6. bushtech

    Embedded Project In Linux

    Have you got "Synaptic package manager" installed? If so open it and search for sdcc. When I do that on my computer it lists 6 packages to be installed. cc1111 mcu8051ide sdcc sdcc-doc sdcc-libraries sdcc-ucsim ymmv as you might have some of these packages already But you have to install them...
  7. bushtech

    How to drop 18.5V 6A DC to 15V 6A DC

    Have you tried mantech.co.za. They will deliver to a post box which RS wont do. And Riecktron also sell some interesting stuff
  8. bushtech

    Embedded Project In Linux

    It looks like you have downloaded the packages but not installed them. Do as shumifan50 suggested in his last post and type : cd~ and apt-get install sdcc this should install sdcc which you can then check by running sdcc by typing sdcc. if this works do the same for cc1111
  9. bushtech

    Embedded Project In Linux

    Well you could just type sdcc and see if it runs. Or click the top button (search) on the line of buttons down the LHS of your desktop and see if it's there or search for it there
  10. bushtech

    Embedded Project In Linux

    you forgot the sdcc part;) sudo apt-get install sdcc Then for good measure do apt update followed by apt upgrade This is to check if anything is missing
  11. bushtech

    Embedded Project In Linux

    do cd/tmp/sdcc-3.6.0/ Then type ls to look at what is in the /sdcc-3.6.0 folder. Then you can see if your files were extracted there. But shumifan50's advice is much easier: sudo apt-get install sdcc follow the instructions
  12. bushtech

    Embedded Project In Linux

    The tar command is used to compress and extract files and programs. See here: https://www.howtogeek.com/248780/how-to-compress-and-extract-files-using-the-tar-command-on-linux/ So your "tar -xjf ../sdcc-2.7.0-i386-unknown-linux2.5.tar.bz2" command will unzip that file, but the system couldn't...
  13. bushtech

    Embedded Project In Linux

    The system can't find the file you are trying to tar. When you are in /tmp directory type ls (which means list) and check if your tar file is actually in the /tmp directory
  14. bushtech

    Building a comparator

    Sorry Audioguru, my bad. But it is a good starting point I think.
  15. bushtech

    Building a comparator

    I skimmed through this article quickly, very interesting subject. This looks like a good place to start: https://www.digikey.com/en/articles/techzone/2016/sep/a-designer-guide-fast-lithium-ion-battery-charging?WT.srch=1
  16. bushtech

    Health Care is so damn expensive...

    A Socialist government has it's advantages even though I don't buy into socialism, but let's not go OT.
  17. bushtech

    Health Care is so damn expensive...

    Around here free medical attention is only available if your income is below a certain threshold, if above that you pay full whack.
  18. bushtech

    Health Care is so damn expensive...

    Yep, it's a nightmare. No better here in South Africa. As retired people our single highest monthly expense is medical insurance. But being without it is not an option. One big medical event without insurance and you could be a pauper. But burns my you know what to pay it.
  19. bushtech

    Newbie looking help with remote 12v linear actuator project

    I suspect that you will have trouble fitting those long lifters in the space available. Have a look at this: http://www.bundutec.co.za/bundutop.html System works with a winch attached to cables and pulleys
  20. bushtech

    Noob Soldering Problem - Which Wire To Use?

    What sort of wire, single/multistrand, thickness? What type of soldering iron and what heat are you soldering at? Please post some photos
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