Electronic Projects Design/Ideas

3,401 topics in this forum

1. DIY - SOLAR BATTERY CHARGER

   By Ashish Adhikari, February 23, 2018   

   • solar
   • battery charger
   • (and 2 more)

     Tagged with:

     • solar
     • battery charger
     • arduino
     • 18650 battery charger
   • 1 reply
   • 4.2k views
   • 
   • davidjackson
   • March 23, 2018

2. Power Supply Project needed

   By slackjack, May 20, 2006
   • 18 replies
   • 4.2k views
   • 
   • audioguru
   • May 24, 2006

3. Calculating voltage output of Capacitor in AC Circuit

   By frogman, January 10, 2005
   • 11 replies
   • 4.2k views
   • 
   • EnigmaOne
   • January 19, 2005

4. Adjustable Voltage Reg LM317, Should it be getting this hot ?

   By Nick Mulder, November 21, 2006
   • 10 replies
   • 4.2k views
   • 
   • waferstar
   • May 24, 2007

5. Transistor BF 494

   By mettula, March 3, 2006
   • 20 replies
   • 4.2k views
   • 
   • mettula
   • March 5, 2006

6. Slow power up effect

   By daisy8, December 23, 2006
   • 15 replies
   • 4.2k views
   • 
   • daisy8
   • January 1, 2007

7. DIY - ARDUINO BASED CAR PARKING ASSISTANT

   By Ashish Adhikari, February 28, 2018   

   • arduino
   • ultrasonic sensor
   • (and 1 more)

     Tagged with:

     • arduino
     • ultrasonic sensor
     • collision avoidance system
   • 7 replies
   • 4.2k views
   • 
   • bidrohini
   • February 8, 2023

8. 4017 Problem

   By nwaste, October 23, 2005
   • 17 replies
   • 4.2k views
   • 
   • steven
   • March 11, 2006

9. Need help with 3916 super project

   By supes, August 13, 2006
   • 21 replies
   • 4.2k views
   • 
   • audioguru
   • August 18, 2006

10. H Bridge PWM DC Motor Driver + PCB

    By sam.moshiri, September 5, 2020   

    • dc motor driver
    • h bridge
    • (and 4 more)

      Tagged with:

      • dc motor driver
      • h bridge
      • h bridge pwm driver
      • dc motor pwm control
      • h bridge circuit
      • pwm dc motor control
    • 4 replies
    • 4.2k views
    • 
    • senaka ranathunga
    • April 17, 2021

11. 5 minute timer where a mechanical motion is required

    By iceman302, August 12, 2005
    • 15 replies
    • 4.2k views
    • 
    • audioguru
    • August 16, 2005

12. Telephone Billing machine!!!

    By Shahriar, July 21, 2005
    • 13 replies
    • 4.2k views
    • 
    • sofian
    • August 13, 2005

13. Warning Light

    By WildWest, February 21, 2005
    • 11 replies
    • 4.1k views
    • 
    • audioguru
    • May 3, 2005

14. CRO

    By ashray, September 11, 2006
    • 9 replies
    • 4.1k views
    • 
    • ashray
    • September 15, 2006

15. Dead accurate 1Hz clock signal???

    By bobleny, November 25, 2006
    • 10 replies
    • 4.1k views
    • 
    • mvs sarma
    • November 27, 2006

16. My 12 watt x2 stereo amplifier

    By ben23, April 3, 2007
    • 10 replies
    • 4.1k views
    • 
    • ben23
    • April 19, 2007

17. atx power supply for robot

    By kumar_prashu, September 19, 2004
    • 11 replies
    • 4.1k views
    • 
    • GPG
    • September 27, 2004

18. Temporary power shut off

    By bonanz, September 28, 2003
    • 2 replies
    • 4.1k views
    • 
    • MP
    • December 11, 2003

19. Help with 60 second stopwatch project

    By Canas, January 30, 2004
    • 3 replies
    • 4.1k views
    • 
    • hotwaterwizard
    • February 9, 2004

20. arc welder schematic

    By edu38, May 13, 2005
    • 8 replies
    • 4.1k views
    • 
    • edu38
    • June 2, 2005

21. Reduce 12vdc to 6 v dc

    By cncman40, January 18, 2005
    • 16 replies
    • 4.1k views
    • 
    • ante
    • January 24, 2005

22. direct current stimulation

    By mihov123, July 5, 2010
    • 8 replies
    • 4.1k views
    • 
    • Hero999
    • July 5, 2010

23. Momentarily switch circuit

    By Redge, May 15, 2020
    • 7 replies
    • 4.1k views
    • 
    • Sugandhan Vazhumuni
    • May 29, 2020

24. AAA Battery Charger

    By smartsarath2003, March 6, 2005
    • 13 replies
    • 4k views
    • 
    • audioguru
    • March 17, 2005

25. my first design.. pls help

    By Sugar, March 7, 2004
    • 6 replies
    • 4k views
    • 
    • bogdan
    • March 7, 2004