Learn to use a reed switch as a magnet sensor with an Arduino. Add non-contact magnetic sensing features to your next project. See our complete playlist of Arduino tutorials here: https://youtube.com/playlist?list=PLlBVuTSjOrclb0iCMSRpS_H1lSrlSVeEm
Visit the Science Buddies website for cool science projects you can do with an Arduino: https://www.sciencebuddies.org/search?prop=arduino&ytid=iBjNpcQ4fG8&ytsrc=description
0:00 introduction
0:27 reed switch closeup
1:37 types of reed…
Learn how to display the current date and time on an LCD screen an external real-time clock (RTC) module with Arduino.
0:00 introduction
0:41 module close-up
2:09 circuit
3:03 power loss
3:42 installing libraries
4:20 other pins
4:44 code
LCD tutorial: https://youtu.be/s_-nIgo71_w?si=eFRMS8CFxMOPftP8
Arduino LCD library documentation: https://docs.arduino.cc/learn/electronics/lcd-displays/
R4 Minima RTC documentation: https://docs.arduino.cc/tutorials/uno-r4-minima/rtc/
Adafruit DS3231…
This video shows how to set up and use the IoT power relay to control a lamp or other appliance that plugs into a wall outlet with an Arduino. You can make the appliance react to sensors or voice commands to build your own smart home device. Written instructions are available on the Science Buddies website: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p093/electricity-electronics/arduino-voice-controlled-lamp?ytid=p2yaFh5kuvw&ytsrc=description
0:00 intro
0:19…
Learn how to choose the current-limiting resistor for a circuit with a single LED. LED circuit design science project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p101/electricity-electronics/efficient-led-circuit-design?ytid=JkFkUTxMkCk&ytsrc=description
LED Circuit Design Playlist:
1. No Math: https://youtu.be/2pHVIqcyf18
2. Choose resistor for single LED: https://youtu.be/JkFkUTxMkCk
3. Solve for current with a known resistor: https://youtu.be/OgRzJmu03VY
4.…
Find current-limiting resistor values for a circuit with multiple LEDs in parallel. LED circuit design science project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p101/electricity-electronics/efficient-led-circuit-design?ytid=9ZQz2IUEtO8&ytsrc=description
LED Circuit Design Playlist:
1. No Math: https://youtu.be/2pHVIqcyf18
2. Choose resistor for single LED: https://youtu.be/JkFkUTxMkCk
3. Solve for current with a known resistor: https://youtu.be/OgRzJmu03VY
4.…
Find current-limiting resistor values for a circuit with multiple LEDs in series. LED circuit design science project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p101/electricity-electronics/efficient-led-circuit-design?ytid=qZSP5-jYW34&ytsrc=description
LED Circuit Design Playlist:
1. No Math: https://youtu.be/2pHVIqcyf18
2. Choose resistor for single LED: https://youtu.be/JkFkUTxMkCk
3. Solve for current with a known resistor: https://youtu.be/OgRzJmu03VY
4.…
Solve for the current through an LED in a circuit with a known resistor value. LED circuit design science project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p101/electricity-electronics/efficient-led-circuit-design?ytid=OgRzJmu03VY&ytsrc=description
LED Circuit Design Playlist:
1. No Math: https://youtu.be/2pHVIqcyf18
2. Choose resistor for single LED: https://youtu.be/JkFkUTxMkCk
3. Solve for current with a known resistor: https://youtu.be/OgRzJmu03VY
4. Power…
Learn how to choose the resistor for an LED circuit without doing any math. LED circuit design science project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p101/electricity-electronics/efficient-led-circuit-design?ytid=2pHVIqcyf18&ytsrc=description
LED Circuit Design Playlist:
1. No Math: https://youtu.be/2pHVIqcyf18
2. Choose resistor for single LED: https://youtu.be/JkFkUTxMkCk
3. Solve for current with a known resistor: https://youtu.be/OgRzJmu03VY
4. Power and…
Make a battery with pennies, nickels, salt, and vinegar in this fun science experiment! This type of battery is also called a voltaic pile. You can use a multimeter to measure the voltage and current produced by your battery, and even use it to light up an LED. Written instructions for this project are available on the Science Buddies website: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Energy_p015/energy-power/make-a-battery-from-coins?ytid=JcRRTHkAl6A&ytsrc=description…
Make a simple motor using a battery, magnets, wire, and screwdriver! Instructions and a materials list for this science project are available on our website: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p065/electricity-electronics/use-super-strong-magnets-to-make-a-simple-motor?ytid=SpP5A1OxZnQ&ytsrc=description
Science Buddies also hosts a library of instructions for over 1,500 other hands-on science projects, lesson plans, and fun activities for K-12 parents,…
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