Dear friends, we are doing an experiment in which we would like to measure the junction temperature inside a power transistor like 2N3055. The case temperature...
784
Jack Emery
jackremery
Sep 7, 2003 4:03 pm
...I Always Used a Diode against any Emitter, Base, Collector Bias/B+ Resistors and Combined to Radio Shacks Temperature Hobby Circuit Book for Pennies to...
785
Bernie Pallek
bmatthiasp
Sep 7, 2003 8:12 pm
I've got a very small pitch flex connector that I want to interface with breadboard wiring for experimentation, but it seems too small to work with. How can I...
786
Chuck Faranda
cfaranda24
Sep 8, 2003 6:23 am
Hi All, I'm in the process of automating opening and closing a roll-off observatory roof. So, I'm looking for a schematic for a RS232 circuit to control...
787
Nandang Jasin
nandang01
Sep 9, 2003 5:10 am
Folks, I'm looking for Video Over AC Powerline schematic (220V). Any information would be appreciated. Thanks NJ...
788
multiuseguy
Sep 9, 2003 3:39 pm
If you could do it with the parallel printer port here's couple of links that could get you going quickly. http://www.logix4u.net/parallelport1.htm ...
789
multiuseguy
Sep 9, 2003 3:40 pm
If you could do it with the parallel printer port here's couple of links that could get you going quickly. http://www.logix4u.net/parallelport1.htm ...
790
dtn777
Sep 11, 2003 4:18 am
My JBL PSW-D110 150W Subwoofer turn on but the sound is real low with distortion or almost gone! Any idea how to fix this problem? I opened the board and found...
791
Jeffrey Hinds
greedy_fly_za
Sep 11, 2003 1:06 pm
Hello. My TV is messed up! The picture is very white and has no color. Furthermore there are diagonal retrace lines on the screen. The onscreen display of the...
792
fusion1296
Sep 11, 2003 5:19 pm
Hi all, i need to buy or build from kit an infrared reciever that will operate a small relay and also the infrared has to work at standard universal remote...
793
dangermouse
dangermouse1956
Sep 12, 2003 1:06 am
The first thing that comes to mind is a problem with the HV to the 2nd anode of the CRT. Not something for a novice to try to tackle...On the other hand, it...
794
cool_J66
Sep 12, 2003 11:27 am
Hello people, I'm trying to create an mp3 player for my thesis. well actually i'm practicing product designing fro my thesis and i chose mp3 player as the ...
795
waltdegroot
Sep 12, 2003 7:57 pm
yes this is an electronic project! i am not in the wrong forum. many years ago I built an automatic enlarger controller. it consisted of a 555 timer, a fet...
796
waltdegroot
Sep 12, 2003 7:57 pm
i found a mod / upgrade for the dynaco stereo 120 on the www. and the commercial mods for the tube amps- for hundreds of dollars. but are there sources talking...
797
Jack Emery
jackremery
Sep 13, 2003 2:24 am
Lucky maybe...Coming unsoldered on Picture tube CRT Module. Check for Circles/open pc Connections on crt module. Color is Probally there, but overridden. Check...
798
Brett
madairman74
Sep 14, 2003 9:53 pm
I've had a JBL PB12 Home Subwoofer for 2 years which has played great until about a month ago. One night at 4:00am in the morning out of the blue, the sub...
799
dangermouse
dangermouse1956
Sep 15, 2003 12:31 am
Does it still amplify sound (albeit distorted by the "fluttering")? This might be what we used to call "motorboating--" spontaneous low-frequency oscillation...
800
Tim
tjque
Sep 16, 2003 1:05 am
Hi, I would like to make an automatic (based on a timer/photosensor?) door opener for a poultry house. I have thought of using a surplus linear actuator...
801
Chris AKA Junkman
therealjunkman
Sep 17, 2003 2:06 am
There are a number of ways to do what you want... It's basically a question of 'stop limit switches'. The easiest, and probably cheapest, most robust way to...
802
Brett
madairman74
Sep 17, 2003 8:07 pm
hey thanks for the reply, sorry took so long to get back. I did have it plugged into an extention cord. I'll try chaging the outlet and see if that works....
803
Neal Greenberg
nealg_98
Sep 18, 2003 8:13 pm
We still have some openings If interested let me know Neal.greenberg@... Hello: We are ready to bring our SchmartBOARD prototyping tool to ...
804
mrerwins
Sep 20, 2003 12:47 pm
Hi, everyone my brother. My name is Erwin, i am from Indonesia. I need the information about IC CA3035, like the datasheet and how to buy it. But the problem...
805
cjrrock
Sep 23, 2003 9:37 am
Hi all, I am new to this board and I have question about S-video. Is there an BNC to S-video cable. Basically, the I want to take my cable output and connect...
806
mfarooqtariq
Oct 3, 2003 12:14 pm
hye i need material on the deisgn of pin modulator , can anyone help me out there........and forward me...... regards farooq...
807
aj_intl2002
Oct 5, 2003 12:26 am
I have a pair of early '80s Meridian M2 (active) speakers that I absolutly love. For those who are not familiar with them, they are Active Biamped speakers....
808
odyholic
Oct 9, 2003 4:00 am
I'm in the middle of a meter project for my travel trailer. I'm setting up four 3.5 LCD panel meters to read battery volts, battery amps, converter amps and...
809
Nandang Jasin
nandang01
Oct 10, 2003 9:32 am
Folks, I'm looking for schematics of Video Over Powerline, to transmit video signal through 220V AC line. Thanks and regards, NJ...
810
waltdegroot
Oct 10, 2003 3:05 pm
and this forum needs help! now that nuts and volts is possiblky the last electronics mag in the usa , amnd i never thought a lot of it, now that poptronics and...
811
odyholic
Oct 10, 2003 7:06 pm
Does anyone have schematics or can someone point me in the right direction for a 12vdc strobe light? I want to it on a pole attached to my travel trailer. I...
812
N/A
a_bantam
Oct 11, 2003 8:21 pm
I buy resistors in bulk from Jameco, www.Jameco.com. They may have what you are looking for or be able to get it. ... needs ... a ... need a ... metal ... ...
