I like to get one on mouser/digikey along with a order i plan to place
i have 2 breadboards one from ebay w/ horrendous contact resistance (to the point on NC)
and another from ali-express that feels like i am going to break my micro controller putting it into the thing
any suggestions? (note that i am not spending $50 on a 3m board)
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Common Parts Library - Datasheets
Share or download datasheets or application notes for electronic components and other parts. Contribute your knowledge or ask questions. Before using please read our Terms of Service.
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ncp81208 datasheet
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Have just a general computer question, post it here. This can be anything from an OS issue, hardware issue not related to capacitors, upgrade question, or whatever basic tech-related issue is on your mind.... This is also a good place to share your tech projects!
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Dell 3681 SFF bios
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Recommend a decent Multimeter on the cheap
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-
04-29-2024, 08:50 AM
-
Hello friends,
Please share this schematic if you have,
EPK50 LA-G07EP REV: 2.0 (HP)
Thank you.Today, 02:54 AM -
i want to program a W25Q40CL chip but looks like it won't get erased neither programmed
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"image.png","data-attachmentid":3265889}[/ATTACH]
Any help ?i want to program a W25Q40CL chip but looks like it won't get erased neither programmed
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"image.png","data-attachmentid":3265889}[/ATTACH]
Any help ?...Yesterday, 10:40 AM -
Hi, i have a Dell 3681 SFF, with its original bios the led blinks 3,6 (some bios error). i tried with a clear me version from another site and it was ok, it gave image but entered manufacturing mode. tried entering service tag but it can't be saved and i can't exit manufacturing mode. can anyone help me with a fix for my original bios file? i attach it here, ST: 3FQ2SF3...Yesterday, 12:12 PM
-
Hi Good peoples;
Been working on a turtle beach Velocity one flight controller; The slide pot for the throttle (black) isn't calibrating properly, it will register the axis with some wriggle until pressure is released;
Does anyone know the specifics for these Potentiometers?? I have attached photos;
Board number is LBX-19500，
C-V1.1 202011
please and thanks as alwaysToday, 02:19 AM -
I created a supervisor password for my laptop a while back and I forgot it. It can't be reset by resetting CMOS. Can I extract it from a BIOS dump or through another method without a bios/eeprom programmer?05-05-2024, 09:10 PM
-
Hello
I'am a beginner in electronics repair and i got some trouble to find what's goning on a computer. It is a lenovo yoga C940-15IRH laptop and the screen doesn't work anymore, but that work on an external one
the screen seams to be hard to unbuild properly so i want to test it by other way
how can i be sure if the signal is really send to the screen ? i did some check on screen connector on LCD1 got 19v and on MiC1 connector on the other side of the screen (dunno if it's for the screen itself or other thing) got a lot of 3.2v pin
did u got...05-04-2024, 10:00 AM -
I have a rx6600xt in the same situation.
The first pin of npc81022 ( powerok) has 0 v, and doesn't activate the other and gates.
I'm not sure if I can bridge with powergoods.
I don't have the schematic for this gpu sapphire, and i dont know why I don't have power ok if all coils are marking good voltages.
¿Maybe gpu core dead?
I see in a msi schematic powergood and powerok are bridged wwith a resistance, but in my gpu this place is empty....05-04-2024, 06:16 AM -
please i need unlock BIOS unowhy Y13 2021
Production year : Aout 2021
Model : Y13G011S4EI
Motherboard : EM_IG116_200b_ene_F_V1.0...Yesterday, 03:59 PM -
Hello all,
Am trying to figure out this backlight issue with this A1990 Macbook Pro.
Tests performed:
There is no backlight even with a good screen.
Backlight IC is receiving the correct support voltages.
Fuse F8400 ok
Current sense resistor R8400 ok
Backlight IC is receiving 3.3V on enable pin.
Backlight IC receiving voltage from PPBUS_G3H, aprox 12.5V.
Backlight IC receiving 5V from PP5V_G3S
Backlight IC BKLT_SCL and BKLT_SDA both measure 0.545V diode mode to ground
I2C_BKLT_SCL and I2C_BKLT_SDA both measure...Yesterday, 10:23 PM
-
Please help sir, this board does not turn on because VSYS_OUT is 9.2v, I compared it with a normal board VSYS_OUT is 10.2v, I have replaced the PQ101 and PQ102 mosfet and BQ 25700 which is known to be good, but the results are still the same, thank you
VSYS_OUT 9.2v
Meter in resistance mode auto range 6M ohm ok
NORMAL BOARD VSYS_OUT 10.2V
PQ101
PIN 2 20V
PIN 7 0.004V
PIN 6 6V
PIN 5678 0V
PQ102
PIN 567 0V
PIN 9 0.004V
PIN 234 9.2V (VSYS_OUT)
PU101 BQ25700ARSNR
1 VBUS 20V...Yesterday, 10:48 AM -
Shown in picture, trying to replace a MOSFET and looks like I knocked this off, in guessing it's the same as one next to it. Has 1.8 Mohms. Any way to bypass it? It's on the hot side
The component circled is the one there, the arrow is I think another of same component?Yesterday, 11:47 AM -
Hi Good peoples;
Been working on a turtle beach Velocity one flight controller; The slide pot for the throttle (black) isn't calibrating properly, it will register the axis with some wriggle until pressure is released;
Does anyone know the specifics for these Potentiometers?? I have attached photos;
Board number is LBX-19500，
C-V1.1 202011
please and thanks as alwaysToday, 02:19 AM -
Hello all,
Am trying to figure out this backlight issue with this A1990 Macbook Pro.
Tests performed:
There is no backlight even with a good screen.
Backlight IC is receiving the correct support voltages.
Fuse F8400 ok
Current sense resistor R8400 ok
Backlight IC is receiving 3.3V on enable pin.
Backlight IC receiving voltage from PPBUS_G3H, aprox 12.5V.
Backlight IC receiving 5V from PP5V_G3S
Backlight IC BKLT_SCL and BKLT_SDA both measure 0.545V diode mode to ground
I2C_BKLT_SCL and I2C_BKLT_SDA both measure...Yesterday, 10:23 PM -
The laptop won't start. When plug power supply, on 19V in gives me 0,14A, without turning on the laptop.
I check it with thermal camera, and there is one resistor that is very hot, I change the resistor with new on but the result is the same.
In the attachment there is schematic of the resistor area, and schematic of the laptop.
I can't understand, why this resistor is getting so hot....05-05-2024, 01:24 AM -
Hello, this might be embarassing since I consider it a dumb question but keeps me kinda stuck sometimes in my journey.
I want to know if there is any post in this forum which explains my questions. [B]A)[/B] [B]When, where and how do I know when X voltage line is input or output. Example: [/B]
[URL=filedata/fetch?id=3266119&d=1715040463][ATTACH=JSON]{"alt":"Click image for larger version Name:\timage.png Views:\t0 Size:\t151.9 KB ID:\t3266119","data-align":"none","data-attachmentid":"3266119","data-size":"thumb"}[/ATTACH][/URL]...Yesterday, 08:11 PM -
please i need unlock BIOS unowhy Y13 2021
Production year : Aout 2021
Model : Y13G011S4EI
Motherboard : EM_IG116_200b_ene_F_V1.0...Yesterday, 03:59 PM -
I created a supervisor password for my laptop a while back and I forgot it. It can't be reset by resetting CMOS. Can I extract it from a BIOS dump or through another method without a bios/eeprom programmer?05-05-2024, 09:10 PM
-
Hi,
It is my first BIOS request here.
I have a bios-locked AUS M415D
ASUS X415DAPYesterday, 07:17 PM -
polaroid TQLHD24PR004 no power
hi, my tv no longer starts like dead, no standby led
motherboard : MS36639-ZC01-01
panel : V236BJ1-P01
flash spi: GD25Q64
need usb firmware or to reprogram05-05-2024, 08:40 AM