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  • Charlux Electronic Whistle for

    $16.99

    High Quality Electronic Whistle — Perfect for coaching, refereeing, life guarding, and emergency situations! Eeasy to use. It has a comfortable ergonomic design with one-handed operation, and a detachable lanyard for convenience. It’s also small sized and easy to carry.
    ✅【USB Rechargeable】Our electric whistle come with a built-in 1200 mAh rechargeable lithium battery, which can last for 9 hours after full charge. The rechargeable electronic whistle can be charged directly using USB, no need to frequently replace batteries, saving the cost of buying batteries.
    ✅【Reduce Burden】You don’t need to painfully blow a traditional whistle with your mouth any more. Just press the sound button then it will bring a loud and clear sound. which saves effort and prevents spatter of saliva between users.
    ✅【Easy to Use】 The electric whistle is easy to use. It has a comfortable ergonomic design with one-handed operation, and a detachable lanyard for convenience. It’s also small sized and easy to carry. It also has led lighting function,which can assist in lighting in dark environments.
    💪【Premium Quality】Our mouth-free whistle is made of high quality ABS material, very sturdy and durable. It also has no any release of harmful substances. We also provide 2-year quality assurance, you can contact us to ask for a replacement or refund if there is any quality problem with our electronic whistle within 2 years.(Note: Artificial damage is not covered by the warranty).

  • Encyclopedia of Electronic Com

    $13.58

    Want to know how to use an electronic component? This first book of a three-volume set includes key information on electronics parts for your projects―complete with photographs, schematics, and diagrams. You’ll learn what each one does, how it works, why it’s useful, and what variants exist. No matter how much you know about electronics, you’ll find fascinating details you’ve never come across before.

    Convenient, concise, well-organized, and precise

    Perfect for teachers, hobbyists, engineers, and students of all ages, this reference puts reliable, fact-checked information right at your fingertips―whether you’re refreshing your memory or exploring a component for the first time. Beginners will quickly grasp important concepts, and more experienced users will find the specific details their projects require.

    Unique: the first and only encyclopedia set on electronic components, distilled into three separate volumes
    Incredibly detailed: includes information distilled from hundreds of sources
    Easy to browse: parts are clearly organized by component type
    Authoritative: fact-checked by expert advisors to ensure that the information is both current and accurate
    Reliable: a more consistent source of information than online sources, product datasheets, and manufacturer’s tutorials
    Instructive: each component description provides details about substitutions, common problems, and workarounds
    Comprehensive: Volume 1 covers power, electromagnetism, and discrete semi-conductors; Volume 2 includes integrated circuits, and light and sound sources; Volume 3 covers a range of sensing devices.

    From the brand

    Make

    Make

    Make Community

    Make Community

    Make:

    Elevating makers, nurturing a global cultural movement, and celebrating creativity, innovation & curiosity.

    Explore more from Make

    Publisher ‏ : ‎ Make Community, LLC; 1st edition (December 4, 2012)
    Language ‏ : ‎ English
    Paperback ‏ : ‎ 294 pages
    ISBN-10 ‏ : ‎ 1449333893
    ISBN-13 ‏ : ‎ 978-1449333898
    Item Weight ‏ : ‎ 1.7 pounds
    Dimensions ‏ : ‎ 8 x 0.59 x 9.75 inches