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Questions tagged [reuse]

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Charging DIY 3s1p Battery pack as NiMH replacement

I have an old appliance with a completely dead NiMH pack (about 0.2V per cell) and to blow new life into it I want to replace that with a lithium-ion pack. The old pack was 12V so I was thinking of a ...
The_butsmuts's user avatar
3 votes
3 answers
1k views

What kind of IC is this, and how can I erase its memory to reuse it?

I have a PCB with an IC on it. All I want is to erase its memory so that I can reuse the chip. Any help with what sort of chip is this, or how I can erase the memory, would be very helpful.
user9552213's user avatar
0 votes
1 answer
1k views

How to repurpose an old PCB?

I am brand new to electronics and would like to know if there's any way to reprogram the microcontroller or reuse a used PCB. I extracted this PCB from my old Bluetooth speakers. Here's the image: ...
Odasaku's user avatar
  • 115
0 votes
1 answer
48 views

LCD Driver Questions [closed]

I recently disassembled some old Night Vision goggles (Jakks Pacific Night Vision goggles) and found a 420x234 LCD Panel inside connected to a 40 pin ribbon cable. Do you know of any drivers I could ...
Fleshy's user avatar
  • 31
3 votes
2 answers
202 views

How can I create one PCB that I can plug-in to two different places in a mother PCB?

I believe there are many answers to this question, but I would like to have one that works best in KiCad allowing me to run the rule check for all the involved schematics. What have I tried: On top of ...
Daniel Santos's user avatar
2 votes
2 answers
1k views

Connecting laptop webcam 04081 to USB cable

After seeing some youtube videos, I wanted to reuse an old laptop webcam and solder it to a USB cable. This one comes from an ASUS X301A and looks like this: AFAIK, The USB cable needs 4 wirings: ...
Dan Chaltiel's user avatar
0 votes
2 answers
84 views

Standard dimension for Li ion batteries

I wonder why is there no standard for Lithium ion batteries especially for portable devices,we can easily have a standard dimension/fit for similar capacities and power rating imposed by IEEE or ...
shubhayan de's user avatar
0 votes
1 answer
521 views

Reuse a S25FL256S SPI 32MB flash module even when it is possibility protected?

This is my weekend toy, a Spansion/Cypress fl256saif00 (S25FL256S), a 32MB SPI module. This chip is salvaged from a Cisco EPC3928 Docsis 3.0 Modem Router (2012). The (first) challenge was to be able ...
Codebeat's user avatar
  • 1,367
0 votes
0 answers
42 views

Software definable battery controller to be able to re-use various laptop batteries

I'm looking to retro-fit an older small netbook Toshiba NB100, by replacing the logic board with the single core Atom 1.6Ghz with an up-board core. A hardware/software solution for re-using the ...
therobyouknow's user avatar
0 votes
1 answer
2k views

Custom code on a calculator

I have got this old Casio fx-92B calculator I am not using any more. I opened it up and found this: I am not an electrical engineer. Is there a possibility of tweaking this board to make it run ...
user avatar
2 votes
2 answers
6k views

Canon K30357 WiFi Module

I am trying to get the right pinout to this module from a Canon MX492. I would like to know which one goes to red, black, green and white for a USB connector. I don't have the whole printer to test ...
Little Big MAC's user avatar
0 votes
0 answers
83 views

Single-phase motor and speed control with used parts

Asking for a friend who is intending on setting up a one-off, custom-built appliance for a farm. He needs a motor and control scheme for "rotary impact cleaning". It should be: Low-cost (insofar as ...
Reinderien's user avatar
  • 3,229
4 votes
3 answers
5k views

Can epoxy resin be reused? [closed]

Does anybody know if this epoxy resin can be reused? I do not need all the resin in the package at this time and I want to store it for later use. I am asking because it says in the specifications ...
Cristian M's user avatar
1 vote
2 answers
119 views

Using old components stored in a damp cold shed for decades?

I have tons of never used electrical components like resistors, capacitors, coils, transistors from 10 years back and tons more of my fathers stuff (made in the Soviet Union) from 20..30+ years back. ...
allanlaal's user avatar
  • 113
0 votes
1 answer
2k views

Reuse a microphone (formerly) wired to the digital "General Purpose Input/Output" of a Realtek sound card?

I recently repurposed an old laptop screen (from a Dell XPS L502x) as external monitor, and then made the built-in webcam work without too much fuss. The camera module also has an embedded microphone, ...
Cimbali's user avatar
  • 101
-1 votes
1 answer
1k views

ReusingLithium Polymer battery from an Old Tablet

One of the projects that I am currently working on requires a backup battery source. I have 2 tablets with me that's that's dead (cracked screen) and the Asus one had a 4270mAh battery. I was trying ...
stage989's user avatar
14 votes
4 answers
4k views

Is it worth reusing old components [closed]

I find myself constantly trying to recycle old components in my new projects. Yesterday, I needed a demultiplexer so I just took it out from some old phone board... Demultiplexers cost basically ...
avuthless's user avatar
  • 261
3 votes
2 answers
8k views

How would I use the same component arrangement for each instance of a sheet symbol?

I'm designing a PCB using Altium. I am a beginner and I'm using sheet symbols to design 6 identical circuits. Making a billion circuits with identical schematics is easy, but in order to make the PCB ...
Danny's user avatar
  • 497
4 votes
1 answer
3k views

Accidentally used plumbing flux on a PCB; How do I remove it to reuse the board?

Two weeks ago, I picked the wrong tub of flux from my toolbox and used it for making a 9VAC -> 5VDC adapter. I fluxed all the components and soldered it down before realising I was using PLUMBING flux!...
Wyatt Ward's user avatar
11 votes
3 answers
3k views

Using recycled components

To what extent and which components can be salvaged from 5-15 years old electronic devices? In other words, what is feasible to dismantle for hobbyist use and what is not? Especially, is it ok to ...
Roman Susi's user avatar
4 votes
4 answers
19k views

Altium: reuse schematic AND pcb layout

I want to build a circuit with many repeating pieces of schematic/pcb layout, and I want to reuse both schematic & pcb layout. Altium offers to reuse schematic, or reuse pcb separately - via ...
BarsMonster's user avatar
  • 3,219