Kenji Arai

31 pages

Notebook pages are being deprecated

deprecated

Export your notebooks from your account settings.

Due to limited adoption and persistent spam abuse, we are removing notebook support. As of May 2021, Notebooks are deprecated and are read-only.

Looking to share with other users? Consider creating a code repo , as these are searchable and easier for others to import into their development environments.

Want to create private notes? You may want to try GitHub Gists.


Last updated: 03 May 2020
how to control a matrix type keypad
Last updated: 02 May 2020
SD Card & microSD Card control program + RAM Disk
Last updated: 01 May 2020
Last updated: 13 Mar 2020
Standby mode , around 10uA on Nucleo-F446RE
Last updated: 14 Feb 2020
use Arduino Nano 33 BLE Sense board on mbed-os5
Last updated: 04 Feb 2020
MP3 control via UART communication line
Last updated: 13 Jan 2020
Frequency counter using GPS 1PPS with mbed board
Last updated: 28 Dec 2019
Last updated: 14 Apr 2018
Last updated: 07 Apr 2018
Last updated: 25 Feb 2018
Serial communication interface using BLE function
Last updated: 09 Feb 2018
BLE Client and Server program for UART function
Last updated: 07 Feb 2018
This is an explanation for the VL53L0X sensor library modification background.
Last updated: 19 Nov 2017
Last updated: 30 Sep 2017
Change default setting, HSI+PLL(62MHz) to HSE+PLL(72MHz)
Last updated: 23 Aug 2017
Last updated: 16 Jan 2017
RTC works after reset and power-off if you set "Battery back-up circuit".
Last updated: 23 Nov 2016
Last updated: 11 Jun 2016
WakeUp function from DeepSleep mode using RTC1
Last updated: 31 May 2016
: Data Logger function includes Barometer & temperature (BMP180), Humidity & temp. (RHT03), Sunshine (Cds), RTC data. : Logging data saves into EEPROM (AT1024) using ring buffer function.
Last updated: 19 Mar 2016
The BNO055 is an intelligent 9-axis “Absolute Orientation Sensor”, which includes sensors and sensor fusion in a single package.
Last updated: 20 Feb 2016
Last updated: 11 Feb 2016
Introduce TAIYO YUDEN BLE Module
Last updated: 09 Jun 2015
LSE start-up problem on Nucleo mbed board.
Last updated: 21 May 2015
Starts an official support for L152RE as rev.77 but need to modify for proper operation.
Last updated: 05 Apr 2015
Last updated: 15 Nov 2014
Last updated: 13 Aug 2014
Last updated: 02 Jan 2011
Last updated: 16 May 2010
Last updated: 17 Apr 2010