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Chemistry Lab (Hideko Hayashi)
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A chemistry lab that builds highly sensitive thermometers and other instruments with the educational microcontroller micro:bit.
AboutAbout the lab
Using the micro:bit for measurement in science experiments.
The chemistry lab in the Science Education Division connects the educational microcontroller micro:bit to sensors and develops it into highly sensitive, high-precision thermometers, temperature control devices, and more.
By using the micro:bit not only for learning programming but also for measurement in experiments, the lab hopes to let students feel how computers work and to help make measurement in science experiments more efficient.
Bachelor's thesis topics include temperature measurement with the micro:bit, as well as crystal growth of table salt and the fabrication of dye-sensitized solar cells.
Associate Professor Hideko Hayashi specializes in physical chemistry and inorganic chemistry.
Key terms
- micro:bit
- A small educational microcontroller. Programs can be written to it, and it can take measurements with sensors and show output on its 5×5 LEDs.
- Calorimetry
- An experiment that measures the heat absorbed or released in a chemical reaction (heat of reaction) from changes in temperature.
- Temperature Resolution
- How fine a temperature difference a thermometer can distinguish. The smaller the value, the smaller the temperature differences it can measure.
ResearchResearch themes
The lab uses the micro:bit as an interface with sensors for I2C communication, and develops it into highly sensitive, high-precision thermometers, temperature control devices, and more. The programs for using the micro:bit can be downloaded from the website, so that the research results can be used for measurement in science experiments.
Measurement Devices Using the micro:bit
The lab builds highly sensitive, high-precision thermometers and temperature control devices, using the micro:bit as an interface with I2C communication sensors. Extension to electrochemical measurement and other applications is being prepared.
Calorimetry in Chemistry Experiments
For the measurement of the heat of reaction (calorimetry) carried out in university chemistry experiments, the lab publishes on its website a manual and a program for the part measured with the micro:bit thermometer. The program averages 80 measurements taken over 2 seconds, improving the temperature resolution from the sensor's product specification value of 0.0078°C to 0.001°C.
MembersFaculty
- Associate ProfessorHideko Hayashi
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
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