Category information-technology-english

I recorded guitar sounds audio spectra with phyphox(Physical Phone Experiments). 1. I recorded audio spectra of the following acoustic guitar by plucking the 1st and 6th string. 2. I clicked the buttons pointed with the green boxes in the following…

I wrote the procedure to read Google Sheets from Google Charts on this page before. Anyone can read the Sheet data with this method. Google Charts document describes the method to read Google Sheets with authentication on this page. I…

I measured an acceleration spectrum of a washing machine with phyphox(Physical Phone Experiments). I watched movies of phyphox featuring acceleration spectra of washing machines before. I think it’s easier to understand the physical meaning of acceleration spectra of vibrating equipment…

I recorded 3-axis accelerometer data with phyphox(Physical Phone Experiments) and plotted them with Google Charts. 1. I recorded 3-axis acceleration sensor data with phyphox by pushing green buttons shown in the following pictures. I specified the receiver’s email address (my…

This is a memo on how to record data from the 3-axis accelerometer with phyphox (Physical Phone Experiments) and estimate the number of steps walked while recording the data. 1. You can refer this procedure to record 3-axis accelerometers data…

I wrote a function which reads large Excel(.xls or .xlsx) or CSV files with php libraries. The function uses following libraries. phpoffice/phpspreadsheet 1.21.0 box/spout v3.3.0 1. Procedure to install php libraries 1.1. Install Composer (a tool for dependency management in…