Electronic Projects Design/Ideas

3,398 topics in this forum

1. constant current indication for power supply

   By eagle2003, October 17, 2003
   • 3 replies
   • 4.6k views
   • 
   • mixos
   • November 9, 2003

2. NiCd Battery Powered LED Lamp

   By xtp, September 30, 2005
   • 16 replies
   • 4.6k views
   • 
   • audioguru
   • October 14, 2005

3. Car battery to parallel port

   By TJBraza, June 4, 2007
   • 7 replies
   • 4.6k views
   • 
   • Um...Me123
   • June 8, 2007

4. Making a 0-28VDC@0-3A Power Supply using linear regulators (LM350)

   By Niksun, September 28, 2006
   • 17 replies
   • 4.6k views
   • 
   • audioguru
   • October 5, 2006

5. Want to use LED Dot Matrix Board

   By masterleous, March 24, 2005
   • 13 replies
   • 4.5k views
   • 
   • EdwardM
   • May 25, 2005

6. Garage door Status Indicator

   By sasha_ca_ru, November 20, 2004
   • 18 replies
   • 4.5k views
   • 
   • CRE
   • December 14, 2004

7. Digitally selected outputs for LM317

   By Guest Zeppelin, April 9, 2006
   • 11 replies
   • 4.5k views
   • 
   • audioguru
   • May 8, 2006

8. Low drop out voltage regulator with TL431 Problem!

   By Shahriar, November 11, 2005
   • 11 replies
   • 4.5k views
   • 
   • audioguru
   • November 12, 2005

9. metal detector

   By sickness, February 18, 2004
   • 5 replies
   • 4.5k views
   • 
   • sickness
   • February 29, 2004

10. Car Burglar alarm

    By time, February 26, 2004
    • 6 replies
    • 4.5k views
    • 
    • electrodoc
    • March 17, 2004

11. TDA2005 making static noise

    By wuemura, June 6, 2007
    • 10 replies
    • 4.5k views
    • 
    • wuemura
    • June 11, 2007

12. in car light.

    By Guest 762SkS, September 22, 2005
    • 14 replies
    • 4.5k views
    • 
    • Guest
    • September 23, 2005

13. High power FM transmitter circuits

    By mixos, August 19, 2003
    • 0 replies
    • 4.5k views
    • 
    • mixos
    • August 19, 2003

14. Mist MAker Via Oscilloscope???

    By InFLak, May 27, 2004
    • 10 replies
    • 4.5k views
    • 
    • InFLak
    • July 23, 2004

15. Micro Spot Welder

    By rfranzk, August 11, 2005
    • 13 replies
    • 4.5k views
    • 
    • ante
    • November 9, 2005

16. Simple Audio sensor board connection to a speaker

    By drmina2023, May 16, 2023
    • 9 replies
    • 4.4k views
    • 
    • drmina2023
    • June 26, 2023

17. Voice record/playback design help

    By nexus_2006, March 7, 2011
    • 5 replies
    • 4.4k views
    • 
    • Herman the German
    • June 28, 2011

18. led powered by a/c How To?

    By flyboy56, March 23, 2004
    • 15 replies
    • 4.4k views
    • 
    • audioguru
    • November 23, 2005

19. DAC 0808

    By ashray, December 26, 2006
    • 4 replies
    • 4.4k views
    • 
    • ashray
    • December 29, 2006

20. Power dissipation limiter

    By Paul_J, September 12, 2006
    • 17 replies
    • 4.4k views
    • 
    • smithy666
    • September 26, 2006

21. 9v + (2xAAA) = ????

    By thirdprize, April 3, 2006
    • 11 replies
    • 4.4k views
    • 
    • thirdprize
    • April 4, 2006

22. help, help, help, it's too hot

    By mrtrhs, August 9, 2004
    • 14 replies
    • 4.4k views
    • 
    • audioguru
    • August 22, 2004

23. telephone transmitter again not working??

    By aimans, February 10, 2007
    • 18 replies
    • 4.4k views
    • 
    • audioguru
    • June 11, 2007

24. ICL7109

    By Junaid, May 20, 2005
    • 14 replies
    • 4.4k views
    • 
    • Junaid
    • May 20, 2005

25. LED Circuit

    By buttface96, May 29, 2004
    • 8 replies
    • 4.4k views
    • 
    • audioguru
    • June 24, 2004