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Hello all. i am searching 1 or 2 key switches for Netronics Research Video Keyboard. Black Key caps are welcome too. Photos are for internet: thank you.

Hello everyone! Does anyone have experience with that kind of eprom & prom programmer? I have the "NSP 512 EPROM & PROM PROGRAMMER" but no info about it. Seems to work but with no manual i can't do much with it. It has two din ports for rs232 and tape connection but again, i miss the cables...

Hello all I have a mai basic four systems s/10 (4105) but sadly in not an working order. When i plugged it and power on the switch, what I see is some green lines for a sort of time in the screen then black screen and one of the floppy always spinning. I dont have system disks and i don't...

Hello all. I have this board for years. But never find an info about it. I am not sure if the TMS is actually Texas Instruments to be honest. If you can help, I will appreciate it! Thank you.

Hello all. I have this Texas Instruments video monitor 3046 (LR47777) and i can't get a proper picture from it. I tried also to get some info for this model but with no luck either. If you see photos there are some lines black and some green passes through the texts. Also the picture is shaking...

Hello all. Yesterday i got my one and only Apple II Europlus with motherboard (820-0001-07). I buy it as faulty. Today was the day to start up my effort to repair it. First it has exploded one Rifa inside the power supply that i replace it. I did the same with the second one that was inside...

Hello! Here is my final 4116 tester. You can have all files from the link bellow. Including: Part List, gerber files, arduino code, driver for clone arduino Testing time: 11sec~ You can power the arduino from 9v dc power supply or from arduino usb (9v dc from power supply preferred)...

Hello all. i am hobbyist at electronics and i want to buy an Oscilloscope. I never had one before and i want to make a gift to my self. :) Is Hantek DSO5102P a good choice for beginner? Thank you

There are few days now that i am working on Startek dt-90 project. My goal was to keep the board same as the original and that was a bit tricky for me. I am not well known on electronics and pcb design but that was a good practice for me. On this one I try the mimicking by hand method, for the...

Hello everyone. I really want to collect infos about the Startek dt-90 dram tester. I know about the magazine pdf, Pal’s ic files, the components list and pcb print, but nothing about the components layout. They would be more than welcome any info about this beauty. I wonder also if any of...

Hello everyone. Anyone know what device is this please? Thank you.

Hello everybody! First of all please forgive me for my not so well English, it is not my first language. So... Before two days i got my precious Commodore PET 2001-32N BS. Till now i never had the chance not even see one in real and finally i got one! I take it faulty with horizontal lines on...

Hello all. Today I got this beauty and inside I found this circuit. Anyone know what is it? Thank you!

Thank you. That would be the last option. I still keep my fingers crossed, for an original replacement. :)

Hello all! I am searching for (No5) key for Oric atmos. Thank you!

Hello! i am looking screen for the Toshiba T1100. Thank you

Hello all! I have found an old Sharp PC-4600 laptop, the version with the two 720kb floppys and i searching for the manual and the dos system disc. If anyone have them please! Thank you!