General Electronics

Fix for halogen lamp socket?

A nice designer desk lamp uses those l.v. (12v) 2-pin halogen lamps. Each pin contact in the socket consists of 2 C-sha...

28 comments posted 21yrs

posted by me

28 comments posted 21yrs posted by me

Odd transistors - data wanted...

Hi folks, I've just bought a pack of transistors from a local supplier. Unfortunately I haven't been able to find data...

1 comments posted 21yrs

posted by philpem

1 comments posted 21yrs posted by philpem

Does anyone have a good definition of MTBF ?

A google search of "MTBF definition" comes up with "Mean Time Between Failure" but I already knew that, and besides, th...

7 comments posted 21yrs

posted by adykes

7 comments posted 21yrs posted by adykes

home-built calculator

Hi My son (13 years old) would like to build a calculator, basic four function, for a science fair project for next yea...

11 comments posted 21yrs

posted by john_kinnear

11 comments posted 21yrs posted by john_kinnear

Amplifier, impedance and power?

Amplifier, impedance and power? The only specifications I have of my portable car amplifier are: 60 watts output 12 vol...

6 comments posted 21yrs

posted by Robijean

6 comments posted 21yrs posted by Robijean

Programing a pic18f4620 with a jdm programmer?

Is there any software out there, ideally freeware, that will program a pic18f4620? I am using icsp (In circuit programmi...

0 comments posted 21yrs

posted by timmmmayyy

0 comments posted 21yrs posted by timmmmayyy

Tech: Tron Monitor - Signs of Life - Issues Remain

Tech: Repairing a WG19k4906 Arcade Montior from a Tron Cabinet --------------------------------------------------------...

0 comments posted 21yrs

posted by rotoquad

0 comments posted 21yrs posted by rotoquad

wireless bracelet device

Seeking an engineering solution for the development of a proof-of-concepts prototype for a wireless bracelet device. Ple...

1 comments posted 21yrs

posted by help_1

1 comments posted 21yrs posted by help_1

After very small solenoids

I am after some very small push solenoids for a project I have planned and so far I haven't had much luck in sourcing an...

3 comments posted 21yrs

posted by tjf00

3 comments posted 21yrs posted by tjf00

Latching Relay question

Hi, I dont understand how the latching relay works. Here is the diagram: V2309-B1208-B301 |-\ -| *-------* | \ | *-----...

2 comments posted 21yrs

posted by jon8338

2 comments posted 21yrs posted by jon8338

Short message

This is just a short message

12 comments posted 21yrs

posted by jfields

12 comments posted 21yrs posted by jfields

Pace Fume Exhauster/Extractor New never used $225 (list $460)

Pace Fume Exhauster/Extractor New never used $225 (list $460) New in the box Pace Fume exhauster. Works perfectly. Pull...

0 comments posted 21yrs

posted by telesis

0 comments posted 21yrs posted by telesis

NCS83xx circuits datasheets

Hello, I am looking for detailed datasheets (pins, block diagrams, voltages) refering to old NEC integrated circuits be...

0 comments posted 21yrs

posted by telemobile

0 comments posted 21yrs posted by telemobile

Remote controlled audio potentiometer (OT?)

Hello, I would like to change the manual volume potentiometer of my integrated amplifier with a motor-driven potentiome...

2 comments posted 21yrs

posted by maxy888[NOSPAM]

2 comments posted 21yrs posted by maxy888[NOSPAM]

signal attenuation thru cabling

If one signal is 3 dB less than another, it's half as strong. Some types of coax are supposed to attenuate signals they...

4 comments posted 21yrs

posted by cyberhun

4 comments posted 21yrs posted by cyberhun