KOMA Elektronik Electret Microphone Sensor

KOMA Elektronik Electret Microphone Sensor

Marsoni

M251S

$39.00

Get it in 3 business days with 1 day shipping. Friday, May 29

KOMA Elektronik Electret Microphone SensorThe Koma Electret Microphone provides a simple solution to use your surroundings as a source of samples. The board features a little trimmer to adjust the gain of the microphone pre amplifier. Use a little screwdriver to adjust the gain according to the printing on the sensor board. Its preferable to adjust the signal level with the trimmer first and only use the level pot of the analog signal interface as a second adjustment stage. The electret

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The Summer Bridge Activities Kindergarten to 1st Grade workbook is a fantastic way to keep kids engaged and learning over the summer! It covers a great mix of subjects, including math, language arts, science, social studies, and even fitness activities. The exercises are fun, age-appropriate, and designed to reinforce key skills while preparing kids for the next grade. I love the balance between learning and interactive activities—it keeps children motivated without feeling like homework. The layout is colorful and easy to follow, making it a great resource for both parents and kids. Highly recommend for summer learning and skill retention!

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Reviewed in the United States on March 18, 2025

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stephanie

Grantham, US

★★★★★ 5

Excellent Summer Workbooks - Keeps Kids Engaged and Ready

Format: Paperback

These workbooks have been an absolute lifesaver for keeping my kids on track over the summer! I was looking for a resource that would help them retain what they learned and prepare for the next school year without feeling like a chore, and these deliver perfectly. What I particularly love is how well **organized they are by days**. This structure eliminates any guesswork and makes it incredibly easy to assign manageable chunks of work each day, which helps to **keep my kids consistently on track**. There's no overwhelm, just steady progress. The content is engaging, and it genuinely seems to reinforce key concepts in a fun way. We've had **absolutely no complaints** from the kids, which is a huge win for any summer learning material! I highly recommend these workbooks for any parent looking for a structured and effective way to bridge the academic gap during the summer break.

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Reviewed in the United States on May 28, 2025

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Alexia Perkins

San Leandro, US

★★★★★ 5

⭐️⭐️⭐️⭐️⭐️ An Engaging Way to Prevent Summer Slide!

Format: Paperback

This Summer Bridge Activities Workbook is an essential tool for keeping kids engaged in learning over the summer! Covering reading, writing, math, science, and social studies, it ensures a well-rounded review of key subjects in just 15 minutes a day. The fun, interactive activities keep kids motivated, and the inclusion of flashcards, stickers, and online IXL practice adds extra value. I’ve recommended this to parents every year because it helps students transition smoothly into the next grade while maintaining their academic progress. If you want to prevent learning loss in a fun, low-stress way, this workbook is a fantastic choice!

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Reviewed in the United States on March 15, 2025

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Ellen F.

Boise, US

★★★★★ 5

Good review

Format: Paperback

This workbook touches on many important skills that are taught in 3rd grade. It’s a great workbook that can be used by parents or someone who is doing summer tutoring.

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Reviewed in the United States on February 10, 2026

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S.Thomas

West Palm Beach, US

★★★★★ 4

Great summer workbook

Format: Paperback

This book is a great tool to use over summer break to prevent loss of learning. I have been using this book with my 2nd grader for a few weeks and he enjoys the short lessons. I would prefer the lessons have a few more questions to cover each lesson.

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Reviewed in the United States on June 26, 2025