element14 Community
element14 Community
    Register Log In
  • Site
  • Search
  • Log In Register
  • About Us
  • Community Hub
    Community Hub
    • What's New on element14
    • Feedback and Support
    • Benefits of Membership
    • Personal Blogs
    • Members Area
    • Achievement Levels
  • Learn
    Learn
    • Ask an Expert
    • eBooks
    • element14 presents
    • Learning Center
    • Tech Spotlight
    • STEM Academy
    • Webinars, Training and Events
    • Learning Groups
  • Technologies
    Technologies
    • 3D Printing
    • FPGA
    • Industrial Automation
    • Internet of Things
    • Power & Energy
    • Sensors
    • Technology Groups
  • Challenges & Projects
    Challenges & Projects
    • Design Challenges
    • element14 presents Projects
    • Project14
    • Arduino Projects
    • Raspberry Pi Projects
    • Project Groups
  • Products
    Products
    • Arduino
    • Avnet Boards Community
    • Dev Tools
    • Manufacturers
    • Multicomp Pro
    • Product Groups
    • Raspberry Pi
    • RoadTests & Reviews
  • Store
    Store
    • Visit Your Store
    • Choose another store...
      • Europe
      •  Austria (German)
      •  Belgium (Dutch, French)
      •  Bulgaria (Bulgarian)
      •  Czech Republic (Czech)
      •  Denmark (Danish)
      •  Estonia (Estonian)
      •  Finland (Finnish)
      •  France (French)
      •  Germany (German)
      •  Hungary (Hungarian)
      •  Ireland
      •  Israel
      •  Italy (Italian)
      •  Latvia (Latvian)
      •  
      •  Lithuania (Lithuanian)
      •  Netherlands (Dutch)
      •  Norway (Norwegian)
      •  Poland (Polish)
      •  Portugal (Portuguese)
      •  Romania (Romanian)
      •  Russia (Russian)
      •  Slovakia (Slovak)
      •  Slovenia (Slovenian)
      •  Spain (Spanish)
      •  Sweden (Swedish)
      •  Switzerland(German, French)
      •  Turkey (Turkish)
      •  United Kingdom
      • Asia Pacific
      •  Australia
      •  China
      •  Hong Kong
      •  India
      •  Korea (Korean)
      •  Malaysia
      •  New Zealand
      •  Philippines
      •  Singapore
      •  Taiwan
      •  Thailand (Thai)
      • Americas
      •  Brazil (Portuguese)
      •  Canada
      •  Mexico (Spanish)
      •  United States
      Can't find the country/region you're looking for? Visit our export site or find a local distributor.
  • Translate
  • Profile
  • Settings
Enchanted Objects
  • Challenges & Projects
  • Design Challenges
  • Enchanted Objects
  • More
  • Cancel
Enchanted Objects
Blog Genie Update
  • Blog
  • Forum
  • Documents
  • Polls
  • Files
  • Events
  • Mentions
  • Sub-Groups
  • Tags
  • More
  • Cancel
  • New
  • Share
  • More
  • Cancel
Group Actions
  • Group RSS
  • More
  • Cancel
Engagement
  • Author Author: RParkerE
  • Date Created: 26 Apr 2015 3:46 AM Date Created
  • Views 1354 views
  • Likes 1 like
  • Comments 13 comments
  • mini_automator
  • enchanted-objects-design-challenge
  • enchanted-objects
Related
Recommended

Genie Update

RParkerE
RParkerE
26 Apr 2015

Unfortunately I have gotten stuck on my project and stuffed the genie back in his lamp for a short while. I am currently working with the Infineon RGB Shield and have run into multiple issues. I am trying to run a single 5mm Red LED with it. I realize that the bulb needs to be rated for 300mA, thats why I am using resistors to allow for the 20mA LED not to burn out. I am driving it with a 9V battery, yet I realize that the rating is for 12V-48V, and this may be my issue. I am running into some mysterious magic, and I am beginning to believe that my genie has placed a curse on me. I am reading 4V-4.5V output and across the resistor, but 8V across the LED, along with the fact it will not light up unless I touch the leads of my multimeter while trying to measure the resistance, AND apparently there is no current throughout the circuit. I have bought a 300mA rated LED and am waiting on my low impact CFL to arrive, but I was trying to run test codes with a simple LED for an update. Unfortunately this has been a larger obstacle than presumed originally. But luckily I am a persistent competitor and will not let this unfortunate setback stop me from finishing this amazing opportunity.

  • Sign in to reply

Top Comments

  • Jan Cumps
    Jan Cumps over 10 years ago +2
    For the Internet of Holiday Lights game, I managed to use that shield with 3 common LEDs in series without a resistor. Less didn't work right. You're realty scraping against the limits of the chip here…
  • Workshopshed
    Workshopshed over 10 years ago in reply to RParkerE +1
    I was thinking that CFL have inbuilt electronics and many say "not dimmable" on them.
  • Jan Cumps
    Jan Cumps over 10 years ago in reply to Workshopshed

    Barely image

    I could dim them two or three steps.

     

    I did that as a try-out of the board outside it's purposed function.

    Its real specialty is to drive high power LEDs, and my natural curiosity wants to try it out in the complete inverse way.

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • More
    • Cancel
  • Workshopshed
    Workshopshed over 10 years ago in reply to Jan Cumps

    were the LEDs dimmable in that configuration?

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • More
    • Cancel
  • Jan Cumps
    Jan Cumps over 10 years ago

    For the Internet of Holiday Lights game, I managed to use that shield with 3 common LEDs in series without a resistor. Less didn't work right.

    You're realty scraping against the limits of the chip here, but it's doable.

    • Cancel
    • Vote Up +2 Vote Down
    • Sign in to reply
    • More
    • Cancel
  • RParkerE
    RParkerE over 10 years ago in reply to shabaz

    Well I also have a 30V LED that I have that I was planning on using as a backup plan anyway and I'll just use that from now on! Well I should have an update soon, Thank you all for your help and insight

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • More
    • Cancel
  • shabaz
    shabaz over 10 years ago in reply to Workshopshed

    Agree with what Andy says, I think this may need verifying (CFL and driver datasheet for example, or testing) as quickly as possible, otherwise there is a risk of discovering it may not work too late for the project. Tests on a 20mA LED, and a 300mA LED, may not be representative of what will occur with the CFL.

    No idea about CFLs, whereas CCFLs are dimmable, but often the driver has a dedicated input for dimming anyway, not performed by PWM of the overall driver supply.

    • Cancel
    • Vote Up 0 Vote Down
    • Sign in to reply
    • More
    • Cancel
>
element14 Community

element14 is the first online community specifically for engineers. Connect with your peers and get expert answers to your questions.

  • Members
  • Learn
  • Technologies
  • Challenges & Projects
  • Products
  • Store
  • About Us
  • Feedback & Support
  • FAQs
  • Terms of Use
  • Privacy Policy
  • Legal and Copyright Notices
  • Sitemap
  • Cookies

An Avnet Company © 2025 Premier Farnell Limited. All Rights Reserved.

Premier Farnell Ltd, registered in England and Wales (no 00876412), registered office: Farnell House, Forge Lane, Leeds LS12 2NE.

ICP 备案号 10220084.

Follow element14

  • X
  • Facebook
  • linkedin
  • YouTube