What's this Challenge about?
Kiraki-Light project started as to develop and deliver LED stick light, which can draw pictures and messages in the air by light paths.
A key development challenge was how to produce enclosure case. Through working with tooling companies and a stick light developer, I learned that it would be extremely costly per unit if the production quantity is small, and couldn't find good solution on it.
Then I shifted the initial goal from the production and delivery of the LED stick light to building up practical experiences and user's network with Kiraki-Light Core, which is a core engine board for Kiraki-Light. I'd like ask you to participate into the network by supporting Kiraki-Light Core and not only to enjoy it but to share any of your idea on usages and development methods for the future expansion of the project. Your contribution to the project would be greatly appreciated.
Eight features of Kiraki-Light Core
1. No programing needed. Just load image data to SD card to use.
Three steps to play with customized image.
①Create the image data by dots in BMP format.
②Load the data into a SD card.
③Insert the card into Kiraki-Light Core and turn on the power.
Special software is not required. You can create the image with a standard drawing software which should be installed in your PC.
2.Amaze your friend as a versa-writer!
You can draw a picture or text message by moving the LED bar connected to Kiraki-Light. Send your message to your favorite star on the stage! Kiraki-Light Core is integrated with a motion sensor to synchronize with the swing from side to side.
You can send text messages.
3.Configurable design for the number of LEDs!
There are several choices in the rewards including ready-to-play types integrated with ten LEDs and DIY types for those who want to build your own configuration.The DIYs can be attached with and control LED tape light which you can buy at DIY or electric shops.
LED tape light can be connected directly to the board or through a connecter by soldering.
You need some experience for soldering, but only a basic skill may be good enough.
4.Shoot pictures of LED light paths
You can build your own equipment with Kiraki-Light Core to shoot beautiful pictures of LED light paths. Larger number of LED lights will deliver higher quality pictures. The sample picture bellow used 140 LEDs.
To take such a photo, keep your camera exposed, move the LEDs slowly and then stop exposure at the end.
To prepare for shooting, you just need to load the image data into SD card. Moving the LEDs slowly and in a constant speed is a key for a good picture. Using a radio controlled toy or drone may be an interesting idea.
※This photo was shot with a 100cm LED bar. A similar type of bar is included in some reward selections. The dolly attached in the bar was available in DIY shops.
5.A variety of LED performances and control with a remote commander.
Kiraki-Light has some preset patterns for a variety of demonstrations and playbacks. The patterns can be controlled by a remote commander which is included in some reward selections.
With the preset patterns, you can draw unique textures by spinning the device. The bellows are the photos shot by spinning the device with wire.
6.Reactive to sound
Kiraki-Light core has a microphone to react to the sound by flash the lights. It reacts to voice and music by preset program and may be used in a Karaoke party.
7.Small footprint allows to be attached anywhere
The footprint of Kiraki-Light board is 66mm x 29mm small that can fit into a case of popular mint candies. You can attache the device anywhere just like an wearable device or arrange in any shape of your idea.
8.Multiple power sources
Kiraki-Light core operates in DC3.5V - 5.0V range. You can select the power source depends on the number of LEDs and use cases. The listed bellow shows typical cases for power supply.
①Lithium Polymer battery: 3.7V
②A series of three dry cell batteries: 4.5V
③5V from AC adapter
④5V from USB power
Your contribution would be appreciated!
Note: This challenge is only applicable for Japanese domestic delivery