T&L Publications

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Thank you, Mr. Lemieux. Yes, I saw the contents of that link before and surprised that T&L publications does not have a treasured history vault with the printed complete collection of the early years :sad: It would be interesting trying to find someone who has them, for your safekeeping and perhaps ...

Hi N&V.
Looking for issues from 1990 to 2003 in CD. Are they available ?

Never used one of these, but claim to be for the task... perhaps borrow one and try.

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Nice link, haklesup. Did not see all ramifications in it, but nice. With no plans to stop repairing anything that gets to my hands, lawful or not. Was lucky, one phone I guessed the password sweeping a gesture on the keypad. But erased all previous contents anyway, and left without password. 3 other...

Dismantled some cell phones to learn and enjoy the way they are built lately, and found their lithium cell attached to the case with the method those 'Command' wall fasteners use. Two removable adhesive strips that come out by pulling. Very hidden next to the cell, pulling tabs releases it. :shock: ...

Westinghouse.

Hi.
I mentioned the cell phone not only with its possible interaction with the television, but confirmed misbehavior with a TV remote control sleeping on the same table as the phone.

Hi Len.
For your peace of mind, watch if your misbehaving equipment is or is not nearby any cell phone. They report to their tower often, unattended, emitting interfering signals. Confirm if all phones are on or off when weird things happen to eliminate or suspect interactions...

Hi all.
If there is one of those AR2 receivers behind the spider webs, please let me know.

Hi. It could be better approached as three window comparator circuits. One between 4.9 and 5.1 V to turn on led '5V' ; One between 8.8 and 9.2 V to turn on led '9V' ; One between 11.7 and 12.3 V to turn on led '12v' ; or with the tolerances of your preference. If that fits your wishes... Perhaps a L...

Hi. 36V usually charges at 42V; times 8A is a sustantial ~400Watt capable charger with few target products. A few this site sells: ----> https://www.aliexpress.com/item/32742206305.html?spm=2114.search0104.3.179.7aa94d31ZCSWuB&ws_ab_test=searchweb0_0%2Csearchweb201602_8_10065_10130_10068_10547_319_1...

If these can be believed ----> https://www.aliexpress.com/wholesale?Se ... earch=true

Use a CRT high voltage flyback transformer sawed-off section from a defunct TV/monitor PCB ? You want DC.
Older copy machines have a high voltage module, very canibalizable. I have one at 7KV if suits you for $0.

There is also another factor while testing/evaluating the energy delivered by batteries, usually not published; or they come up with it when there is a complain : Test duty cycle.
Manufacturer may want 5 minutes drain, 10 minutes rest and repeat; or whatever they decide.