Teyleten Robot IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V to 5V Photo Interrupter Sensor for Arduino（5pcs）
use: 1. +5 +5 is the positive input port of the power supply, which can be connected to a voltage of 3.3V~5V.
2. GND GND is the negative input port of the power supply. OUT OUT is the signal output port, which is connected to the I/O port of the single-chip....
For other main control boards or higher-level main control boards (such as Arm), if you need to set the I/O port to input/output mode, you must set it....
Note: For Arduino players should set the MCU's I/O port to input mode/receive mode, otherwise it cannot be used..
6pcs Lime2018, Series or Parallel D Battery Holder:Used for Physics Laboratory,School Electronic Experimenting,Great for Demos Teaching Basic Principles of Electricity & How a Simple Circuit Works
This is great for home school making and breaking a single electrical connection circuit experiments. good for teaching basic principles of electricity & how a simple circuit works.these are great for demos and project. Easy to use and great learning tool for kids.I think practicing on an education model would definitely benefit any student..
of course that while this does teach them how electricity works, you have to make sure to teach them not to play with actual electrical equipment around the house..
Battery Holde provides stability in handling and visualization of electrical principles, screw type binding post ,screw down connection terminals are heavy duty,for secure electrical connection..
screw type binding post,If you use alligator clips you might want to temporarily remove the connector knobs..
These durable individual plastic d-cell battery holders can be quickly and easily snapped together to form either parallel or series connections. They can be used individually or configured in parallel..
Awkward Styles Autism Shirts Men Autism Awareness American Flag Autism Ribbon Blue 2XL
Awkward Styles proudly presents the Autism Awareness Collection for men, women, awesome kids and their beloved ones. Our designs are perfect for you....
Check our store to see our designs like Autism Puzzle, Autism Love Puzzle, I Teach Awesome Kids, USA Autism Flag, Autism American Flag, Autism....
Printed In USA. Super Fast Shipping. 100% Money Back Guarantee..
Pack of 12 silicone rubber wristbands with the full Serenity Prayer for serenity, wisdom, and courage.
The prayer reads, "God, grant me the serenity to accept the things I cannot change, the courage to change the things I can, and the wisdom to know the difference.".
Contains 4 unique designs (3 pieces per design) with bold colors and graphics.
Unisex adult size of 8 inches around fits most men, women, and teen wrist sizes.
Use them for everyday wear or give them away as gifts to friends, family members, and sponsors at religious events, 12-step meetings, sobriety support groups, and drug and alcohol awareness events..
Contains the sacrificial anode rod, GLS heating element and the gasket.
Can only be used for the Ariston GL2.5S, Ariston GL4S, Ariston Pro Ti GL2.5TiS, Ariston Pro Ti GL4TiS, Bosch Tronic 3000T ES2.5, and Bosch Tronic 3000T ES4 mini-tank water heaters.
CANNOT be used for the Ariston GL6+S and Bosch Tronic 3000T ES8 mini-tank water heaters.
CANNOT be used for any of the older Ariston heaters (i.e., the Ariston GL2.5, Ariston GL4, Ariston Pro Ti GL2.5Ti or Ariston Pro Ti GL4Ti).
ACELETE Auto-Start 2.0 Power Ball Wrist Trainer Gyro Ball Forearm Exerciser Wrist Strengthener Gyroscope Spinner with LED Lights
【EASY TO USE】The second generation of new products, no rope.you only need to push the core in the direction of the arrow, start by the internal spring, very easy and convenient..
【GOOD FOR HEALTH】The wrist ball can assist body to restore to health. There is a strong reaction at high speed, the faster the speed, the greater the power, and the effect of exercise. At the lower speed, it is also a very effective tool release soothe , recuperate sore and damaged limbs, or help reduce the inflammation caused by Arthritis, Carpal Tunnel Syndrome, RSI or Tendonitis..
【MAKE ERCISE & ADD FUN】 Novelty design with LED lights, which is fun to see how fast you can get it spinning. Cool LED lights inside will light up while spinning. Rehabilitates sore muscles, Kill the time & Add fun !.
【HIGH QUALITY】 The unit did not have any weird vibration to it. Also having the silicone grip section is very nice as it helps with the gyro ball not coming loose from your hand..
【WARRANTY】If the wrist power ball you received cannot be started smoothly or cannot work, please contact us in time, we will replace it with a new one for free, and teach how to use it. 100% with 30days Satisfaction Money Back Guarantee and 90 days quality warranty..
AWARD WINNING BUSY BOOK FOR CREATIVE KIDS: When I Grow Up encourages children to discover their talents and passions through the world of make believe....
MONTESSORI TOYS: 10 Pages of puzzles and learning toys for 3 year olds. Teach to tie shoes, buckle, zip, snaps, looping, velcro and buttoning....
TRAVEL TOYS: Includes carry handles and FULLY ZIPS CLOSED. Pre-K quiet toy for travel, car seat toy or airplane travel. Quiet Toys for church....
BEST QUALITY. Durable and hard wearing. Produced from cotton and soft touch felt plus interactive accessories. This hand-crafted book is soft yet....
UNIQUE GIFTS FOR KIDS: 3 year old boy birthday gift or 3 year old girl birthday gift. Ideal Christmas gift for kids perfect for children aged 3 to 6....
Serenity Prayer Inspirational Sleek Black 8 inch Three Hymn Sound Clock
Features a peaceful country road scene on the dial and sentiment reading "God grant me the serenity to accept the things I cannot change, courage to change the things I can, and wisdom to know the difference".
One of three traditional hymns is played at the top of each hour to help you reflect.
Measures approximately 8 inches in diameter.
Light sensor deactivates hymns when the room is dark.
Great for wall or desk display, by using the built in tabletop stand.
5th Grade Math Online Tutoring Software for Classroom (1 Teacher/10 Students, 3 months)
Complete curriculum Bundle - For homeschoolers as well as for classroom teachers. Are you looking for a relatively inexpensive but comprehensive math curriculum that you can use to teach your students or to supplement your classroom curriculum? Look NO FURTHER! This A+ Interactive Math curriculum package includes - colorful and engaging lessons, worksheets, tests, and answer keys..
Homeschool users may use this as the math curriculum for your students. School teachers may use lessons, worksheets and test to supplement or to integrate with their classroom math curriculum. SAVE Your Valuable Time! I have done the work for you!.
A+ Interactive Math Curriculum makes your job EASY and learning math FUN for your students. There are two eBooks (PDF) in this package. 1. Curriculum Lessons eBook (PDF) and 2. Workbook (PDF). The Curriculum Lessons eBook includes all lessons organized in several different chapters. And the Workbook includes worksheet for each lesson, chapter tests and answer keys..
Use lessons from each chapter to teach math concepts. Use worksheets to provide extra practice with problem solving to master the new math concept. Once all lessons and worksheets are completed for a particular chapter, use the chapter test to review math concepts from ....
