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Questions tagged [reuse]

The tag has no usage guidance.

-1
votes
0answers
40 views

Make use of leftover lithium batteries [closed]

Even though I have to throw dead devices away, I hate to throw away their batteries, which means I have a drawer with flat little batteries from phones and cameras, cubical little batteries from video ...
0
votes
1answer
101 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 ...
0
votes
0answers
27 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 ...
0
votes
1answer
709 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 ...
2
votes
2answers
1k 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 is goes to red, black, green and white for a usb connector. I don't have the whole printer to test ...
0
votes
0answers
71 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 ...
3
votes
3answers
1k 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 ...
1
vote
2answers
107 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. ...
0
votes
1answer
531 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,...
-1
votes
1answer
629 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 ...
13
votes
4answers
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 ...
2
votes
2answers
5k 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 ...
3
votes
1answer
1k 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!...
9
votes
3answers
1k 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 ...
4
votes
3answers
15k 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 ...