Hassaku's Portfolio

UbeBot

UbeBot

2017
ChatBot

ChatBot to answer anything about Ube-city's homepage and its open data automatically. Bot is running on messaging platform LINE in Japan. Details is here.

IoT Pill Case

IoT Pill Case

2016
IoT

The mobile pill case connected by 3G to watch out for an usage history of medicines by others such as children of the elderly or doctors. It prevents forgetting to take medicines through communication with a care person. The demonstration of this prototype won the prize.

Smart Home for Childcare

Smart Home for Childcare

2016
IoT

I built the system to control several appliances such as light, air conditioner and so on by voice. It's very useful for me to take childcare situation like that my hand is dirty. Of course I can remote control them from outside to warm and humidify our room in advance. In addition, I can take a note the count of son's diaper changes or milks by voice quickly. I add useful functions day by day.

Metro Toilet Finder

Metro Toilet Finder

2015
Web App

This application was made to enter the Tokyo Metro Open Data Contest and won the prize. It enable to find toilets on your train route easily and share the congestion of them.

Welcome Wedding Robot

Welcome Wedding Robot

2014
hardware

I prepared the robot for our wedding party instead of ordinary welcome wedding sign. He kept writing the date of party and hart mark at reception. It's inspired by Plotclock.

Smart Kawaya

Smart Kawaya

2014
hardware

The system to check our office toilet remotely without the need to go to a restroom. It enables us to focus attention only on our work. We're verifing practical effectiveness of this system at our small office. Motion and CDS sensors are connected Spark Core device. And the measurements are sent to users chrome extension via WiFi. When there is long-stay occupier, you could sound the buzzer attached this system. Detail is here.

Karuta Memorization App

Karuta Memorization App

2013
iOS App

The iOS application for me to memorize the words in Karuta. It enables to show also a play on words in addition to set of Karuta words.

FRISK Heart Rate Monitor

FRISK Heart Rate Monitor

2013
hardware

I embedded heart rate sensor in FRISK case. Heart rate is indicated by the blinking LED at caps lock key. It's introduced in my presentaion at Tokyo Ruby Kaigi 10.

Message In A Satellite

Message In A Satellite

2013
Web App

Message In A Sattellite web application enables you to make a message in a satellite flying abobe your head. The message might be opened someone in another place. Your browser have to support Geolocation API.

Crap

Crap

2013
Web App

Crap is visualizer for excited audience. Using web browser, it shows audio spectrogram and enables to capture most excited moments in real-time. Then the captured results used for rakning in an event such as lightning talks.

Collaborative Minutes

Collaborative Minutes

2012
Web App

The small web application to take minutes of meeting using Meteor framework. Anyone could select someone's and put one's remarks on record in realtime like Google Docs.

Online Interactive Jenga

Online Interactive Jenga

2012
Web App

This demo web application is made to apply becoming Leap Motion developper. I appealeld a potential of fun to play Jenga online using Leap Motion.

ISS iPhone Window

ISS iPhone Window

2012
iOS App

Prototype iOS native application made for the Space Apps Challenges. It downloads a current image from NASA website and changes lock screen at intervals.

Frisk Robot

Frisk Robot

2011
hardware

I made the small toy robot using FRISK case. He moves by two vibration motors in response to light.

Thinking Branch

Thinking Branch

2011
iOS App

This is the first iOS application which I released. It is idea processor tool like mind map.

Commentable Presentaion Tool

Commentable Presentaion Tool

2011
Web App

This presentaion tool enables anyone to access an arbitrary page and to add comments on the page. The comments are viewed by others at the same time. HTML5 Canvas and WebSocket are used.

Questionnaire Push Application

Questionnaire Push Application

2011
Web App

Questionnaire application to create quesitions and to vote the options online. It enables to push them in realtime using GAE ChannelAPI.

Compact Equatorial

Compact Equatorial

2011
hardware

This is the manual tracking equatorial mount to take starry sky photos. I designed it to track stars by turning screw in a clockwise rotation with the second hand of a clock.

MPPT Experiment System

MPPT Experiment System

2010
hardware

Maximum Power Point Tracking(MPPT) is a technique that charge controllers use for PV solar systems to employ and maximize power output. This system has an illuminance sensor and a thermometer. The maximum power point is calculated by illuminance, temperature and actual power output. Arduino is used for processing and logging (not shown in the picture).

Household Power Logging Device

Household Power Logging Device

2010
hardware

I made very compact device for logging household power usage. It has non-contact current sensor, two AAA batteries and micro SD card writer to store power usage a minute.

Tsukuba Challenge Robot

Tsukuba Challenge Robot

2009
hardware

This is the autonomous robot run in the Tsukuba Challenge competition which is famous as real world robot challenge in Japan. I devised ways of keeping everything compact effectively as to bring whithin my carry case and could set up the robot easily.

UEKIBACHI

UEKIBACHI

2007
hardware

This is an interactive toy made as a coursework assignment. When you expose the top of flower made by 3D printer to infrared light, the flower starts spinning and opening petals, then some messages are shown by LED array.

Micro Clipper Robot 2

Micro Clipper Robot 2

2005
hardware

This is the next version of Micro-Clipper Robot. The feature is to grasp, turn and put a can without stoping. It took the Namco award.

Micro Clipper Robot

Micro Clipper Robot

2004
hardware

This autonomous Micro-Clipper robot has grasping and turning a can upside down mechanisms. The feature is to enable sensing farther walls and planing in an efficient way. It took the technology award.

Live Cammera at Bakery

Live Cammera at Bakery

2002
Web App

The networed live camera system at bakery in university. Anyone could check fresh breads anytime online. The feature of the system is to notify breads replacing via image analysis.

Autonomous Sumo Robot

Autonomous Sumo Robot

2001
hardware

This is the first robot I have made ever! Robot-Sumo is a kind of battle game using robot which is popular in Japan. The feature of the robot is to have contrast scrapers between front and back.