# Digital Egg Drop Experiment with CLUE

## Overview

![](https://cdn-learn.adafruit.com/assets/assets/000/089/138/medium800/sensors_IMG_1169.jpg?1583866316)

This classic physics experiment is a really fun one! You get to create a descent vehicle for an egg dropped from a great height that helps the egg land gently enough to avoid going SPLAT!

Instead of testing design iterations on precious eggs, we can first prove out our vehicles using the CLUE board! It's packed with sensors and has a display and speaker for feedback -- we'll use those to study the impact g-force of our landing. Once we're satisfied with the data, we can swap out for the more fragile ovoid!

https://youtu.be/RcNfQOIKOp8

Here's an excellent video by Mark Rober explaining the physics behind the egg drop as well as showing five designs you can try out. Instead of testing on eggs each time, we will first determine the g forces sustained on impact with our CLUE board!

https://www.youtube.com/watch?v=nsnyl8llfH4

Warning: 

![](https://cdn-learn.adafruit.com/assets/assets/000/089/399/medium800thumb/sensors_testdrop.jpg?1584398500)

## Parts
### Adafruit CLUE - nRF52840 Express with Bluetooth® LE

[Adafruit CLUE - nRF52840 Express with Bluetooth® LE](https://www.adafruit.com/product/4500)
Do you feel like you just don't have a CLUE? Well, we can help with that - get a CLUE here at Adafruit by picking up this sensor-packed development board. We wanted to build some projects that have a small screen and a lot of sensors. To make it compatible with existing projects, we made...

In Stock
[Buy Now](https://www.adafruit.com/product/4500)
[Related Guides to the Product](https://learn.adafruit.com/products/4500/guides)
![Animated GIF showing CLUE board  displaying data from the many on-board sensors.](https://cdn-shop.adafruit.com/product-videos/640x480/4500-04.jpg)

### 3 x AAA Battery Holder with On/Off Switch and 2-Pin JST

[3 x AAA Battery Holder with On/Off Switch and 2-Pin JST](https://www.adafruit.com/product/727)
This battery holder connects 3 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is slim, and 3 AAA's add up to about 3.3-4.5V, a very similar range to Lithium Ion/polymer (Li-Ion) batteries and have an on-off switch. That makes...

In Stock
[Buy Now](https://www.adafruit.com/product/727)
[Related Guides to the Product](https://learn.adafruit.com/products/727/guides)
![Front angled shot of 3 x AAA battery holder with on-off switch and 2-pin JST PH connector.](https://cdn-shop.adafruit.com/640x480/727-07.jpg)

### Alkaline AAA batteries - 3 pack

[Alkaline AAA batteries - 3 pack](https://www.adafruit.com/product/3520)
Battery power for your portable project! These batteries are good quality at a good price, and work fantastic with any of the kits or projects in the shop that use AAA's. This is a pack of **3 AAA batteries**.  
  
These batteries are Alkaline (MnO2) chemistry, with a...

In Stock
[Buy Now](https://www.adafruit.com/product/3520)
[Related Guides to the Product](https://learn.adafruit.com/products/3520/guides)
![Angled shot of 3 PKcell AAA batteries. ](https://cdn-shop.adafruit.com/640x480/3520-00.jpg)

## Materials & Tools

You'll want to try out some different materials and descent vehicle strategies.

- Balloons
- Cardboard
- Plastic or paper drinking straws
- Tape
- Zip ties
- Egg cartons
- Rubber bands
- Popcorn
- Plastic or paper bags
- Scissors
- Hobby knife

One more bit of inspiration -- here's a MakeCode egg drop experiment setup running on the micro:bit:

https://www.youtube.com/watch?v=tnDJFdC3Nd4

- [Next Page](https://learn.adafruit.com/egg-drop-clue/circuitpython-on-clue.md)

## Featured Products

### Adafruit CLUE - nRF52840 Express with Bluetooth® LE

[Adafruit CLUE - nRF52840 Express with Bluetooth® LE](https://www.adafruit.com/product/4500)
Do you feel like you just don't have a CLUE? Well, we can help with that - get a CLUE here at Adafruit by picking up this sensor-packed development board. We wanted to build some projects that have a small screen and a lot of sensors. To make it compatible with existing projects, we made...

In Stock
[Buy Now](https://www.adafruit.com/product/4500)
[Related Guides to the Product](https://learn.adafruit.com/products/4500/guides)
### 3 x AAA Battery Holder with On/Off Switch and 2-Pin JST

[3 x AAA Battery Holder with On/Off Switch and 2-Pin JST](https://www.adafruit.com/product/727)
This battery holder connects 3 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is slim, and 3 AAA's add up to about 3.3-4.5V, a very similar range to Lithium Ion/polymer (Li-Ion) batteries and have an on-off switch. That makes...

In Stock
[Buy Now](https://www.adafruit.com/product/727)
[Related Guides to the Product](https://learn.adafruit.com/products/727/guides)
### Alkaline AAA batteries - 3 pack

[Alkaline AAA batteries - 3 pack](https://www.adafruit.com/product/3520)
Battery power for your portable project! These batteries are good quality at a good price, and work fantastic with any of the kits or projects in the shop that use AAA's. This is a pack of **3 AAA batteries**.  
  
These batteries are Alkaline (MnO2) chemistry, with a...

In Stock
[Buy Now](https://www.adafruit.com/product/3520)
[Related Guides to the Product](https://learn.adafruit.com/products/3520/guides)

## Related Guides

- [Introducing Adafruit CLUE](https://learn.adafruit.com/adafruit-clue.md)
- [CLUE Metal Detector in CircuitPython](https://learn.adafruit.com/clue-metal-detector-circuitpython.md)
- [CLUE Light Paint Stick with CircuitPython](https://learn.adafruit.com/clue-light-paintstick.md)
- [CLUE BLE MIDI Glove](https://learn.adafruit.com/clue-midi-glove.md)
- [Bluetooth CLUE Robot Car using CircuitPython](https://learn.adafruit.com/bluetooth-clue-robot-car-using-circuitpython.md)
- [CircuitPython BLE Advertising Beacons](https://learn.adafruit.com/circuitpython-ble-advertising-beacons.md)
- [No-Touch Hand Wash Timer for Circuit Playground Express and CLUE](https://learn.adafruit.com/no-touch-hand-wash-timer-for-cpx-and-clue.md)
- [PyLeap BLE Controlled NeoPixels with CLUE](https://learn.adafruit.com/pyleap-ble-controlled-neopixels-with-clue.md)
- [Clue Coffee Scale](https://learn.adafruit.com/clue-coffee-scale.md)
- [CLUE case](https://learn.adafruit.com/clue-case.md)
- [CLUE Custom CircuitPython Badge](https://learn.adafruit.com/clue-custom-circuit-python-badge.md)
- [CLUE Dice Roller](https://learn.adafruit.com/clue-dice-roller.md)
- [CircuitPython BLE Multi-Temperature Monitoring](https://learn.adafruit.com/circuitpython-multi-temperature-ble-monitoring.md)
- [AdaBox 015](https://learn.adafruit.com/adabox015.md)
- [CircuitPython BLE Libraries on Any Computer](https://learn.adafruit.com/circuitpython-ble-libraries-on-any-computer.md)
- [CLUE Rock, Paper, Scissors Game using Bluetooth](https://learn.adafruit.com/rock-paper-scissors-circuitpython.md)
