Latest threads in Electronics Designshow only best voted threads
| Subject | Author | Posted | Replies | |
|---|---|---|---|---|
|
|
Guess what I found
I found a HP-25 programmable calculator from about 1975 at a swap meet for $3 and it works. Complete with owner's manual, charger and applications does 49 steps and records the keys used. The battery...
138
|
9 years ago
|
138 | |
|
|
controllers; program in C
Hello. I want to build, for fun, a battery charger and I want to use this as an excuse to experiment with a controller chip that you can program in C. Are PIC devices the way to go? I noticed they...
42
|
9 years ago
|
42 | |
|
|
Michelle is going to be pissed
So I can have bacon and eggs every day now? Afraid that I'll start to grow sideways again if I did.
47
|
9 years ago
|
47 | |
|
|
ÏÚæÉ áãäÊÏíÇÊ äæÑ ÇáÇäíãíÇÊ
—
|
9 years ago
|
— | |
|
|
JFET failure modes
Hi, folks:- What would you expect to see for JFET failure modes? I have some ~500kHz preamps with common source JFET front ends that are behaving quite strangely- the bias looks correct but they have...
8
|
9 years ago
|
8 | |
|
|
OT: Windows 8 Blank App Images
I have been having a problem lately that I can't seem to find a solution to in Google searches. Mostly because I can't find a decent keyword to describe it. The problem happens when I change context...
9
|
9 years ago
|
9 | |
|
|
LEDs are mature
After purchasing some LED flashlights locally, I was a skeptic about LEDs. Recently purchased an LED headlamp that uses a Cree XM-L2 T6 LED. It blows away my DeWalt 14.4 V flashlight. Lights up the...
33
|
9 years ago
|
33 | |
|
|
Unprotected lithium-ion batteries?
Specifically, I'm talking about 18650 lithium-ion batteries, assuming Panasonic brand 3400 mAh made in Japan. Used in a Fenix HL55 headlamp. Or, generally speaking, what's the relative risk of using...
7
|
9 years ago
|
7 | |
|
|
Re: OT: keep the internet free
Uh! I think you be a bit mixed up. Right now the cable companies do control the Internet. The FCC seeks to follow in O'BlaBla's footsteps and make everyone equal... so no paying for a higher speed...
93
|
9 years ago
|
93 | |
|
|
Book about IC (in circuit testing), from app 1998?
Hi all When I worked with ICT testing, we got a small book (app A5, ~100 pages) explaining how ICT works. Very basic and useful. I am looking to get a new copy of that one, so if anyone could help me...
1
|
9 years ago
|
1 | |
|
|
anybody ever used 11 equalizers in series?
So, 11 of these filters in series: Not sure what is the first one, but the last one is somewhere on the right. There is some procesing delay, so you cannot just compare the spectra. Sounds good...
37
|
9 years ago
|
37 | |
|
|
Re: Another Psychopathic Confabulator
It started with the GI Bill, and expanded. It really should be only for combat vets.
9
|
9 years ago
|
9 | |
|
|
It's Finally Come True
Conspiracists worst nightmare: the TV is recording you.
24
|
9 years ago
|
24 | |
|
|
Class D amp with unloaded output
I have some experience designing and building conventional (Class A & AB) audio amplifiers, both with ICs and with discretes, but I'm new to Class D. I'm thinking of experimenting with one of those...
9
|
9 years ago
|
9 | |
|
|
Update on the treehouse bridge in the redwoods of the Santa Cruz mountains
Just to give you an update, the bridge was repaired after the last section fell down in the earlier Pineapple Express: Those earlier storms took down a few nearby Monterey Pines, which decapitated the...
44
|
9 years ago
|
44 |