# Recent content by borut

1. ### Measuring the car engine on/off via 12v power supply

car power supply for engine Hi all, I have a task to solve. I have to measure when the cars engine turns on/off via 12v power supply. I know that when the cars engine runs in the 12V power supply it is possible to "trace" some noise, becouse the alternator generates some additional noise...
2. ### Whats the role of 2 transistors in this power supply?

Re: Power supply problem? Thank Yoo for the help.
3. ### Whats the role of 2 transistors in this power supply?

Power supply problem? Hello, please give me some information about the attached power supply? I dont understand the exact role of the two transistors (BD176 and TIP32C)? I even dont know what is the output voltage (Uizh = ? V), is 4V? I will be very thankful if somebody will explain me the...
4. ### Service manual for Kenwood KRC 151

Hello, I need service manual for the radio Kenwood KRC 151? Thanks in advance. Bye :wink:
5. ### How to store Ericsson R520 already received SMSes on PC?

mbyka I didnt mean the unlocker for the phone. Thaks anyway for the prg... So, if I explain again what I need... I need some kind of interface, program (if this at all exist) to pass to SMSs from the phone memory (SIM card memory) to PC. Bye
6. ### How to store Ericsson R520 already received SMSes on PC?

I will attach tomorrow, becouse I dont have the software now. Bye
7. ### How to store Ericsson R520 already received SMSes on PC?

r520 at command Hello Anyone know how to store SMS that are already in the phone (Ericsson R520) on PC. I have the cable, I also have the software from Ericsson, but this tools only give the possibility to send/recive SMS and other things, but not to store on PC already recived SMS in phone...
8. ### Simple schematic of S-video to RCA

Hello her is the schematic, is very easy and it works (with PAL and NTSC): S-video side RCA side Y-ground ----------------+ +------------RCA/composite ground C-ground-----------------+...
9. ### class-D pwm amplifier

class d pwm Maybe you find useful this link, there are some basics about D type: h**p://207.35.168.36/ofsoundmind/osm/hardware/amp5.html
10. ### Looking for schematics of auto power off circuit

Hello try search on w/w/w/.epanorama.net
11. ### I need documents about IIR digital filters

Hello Try this link: h**p://w*w.dspguide.com/ there is also a chapter about filter design. By
12. ### How to measure the torque necessary to move 7kg?

Hello I suggest you to use the Prony brake. You find something on this link h**p://w*w.cga.edu/acd/De/dem/projects/first/Experimenation/torque.htm You also find a lot of links if you type on google -> prony brake+torque By
13. ### Remote for remote controlled toycar

Hello Try also on w*w.epanorama.net. There are a lot of links, is a good starting point to search the web for things about electronics, telecomunications, circuits,... By
14. ### Please comment on my amplifier

Great amp. Congratulations!
15. ### How to setup a server on Linux?

Linux-Server: How to? Hello Im really new with Linux OS :( . I have to choose and set up a server on Linux OS. I need a "user frendly" handbook or link where is explained how to install, setup, configure and administrate servers on Linux OS. Thnak you in advance. By Borut