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Electronics Handicrafts

Generic electronics projects with microcontroller

ProjectDescription
Automatic Watering System
Spe 3, 2017
A simple automatic plant watering system. It detects the soil moisture and waters flower pots properly.
Portable GPS Data Logger
Dec 3, 2012
Pocket-sized GPS logger to store the fix data (NMEA-0183 format) into microSD card.
Automotive GPS Data Logger
Jul 29, 2012
Automotive GPS data logger to store the fix data (NMEA-0183 format) into MMC/SDC.
Capacitive Touch Sensor
Nov 11, 2007
An experiment of very simple touch sensor implemented on a generic microcontroller. It can be applied for various systems.
Tips on Using 8pin AVRs [ja]
Mar 6, 2005
This is an application notes for 8 pin tiny AVR.
Nixie-Tube Clock
Jan 6, 2003
This is a my nixie-tube clock built 8 years ago.
MPU Temperature Meter [ja]
Mar 2, 2002
Multi channel diode temperature meter to replace thermister temperture meter. This is for diode temperture sensors icludes on-die thermal diode of micro-processor.
CPU Race [ja]
Apr 24, 1999
This is not for PC processors. It is curious benchmark test for embeded processors.
V53A CPU Board [ja]
Nov 15, 1998
This is a microcomputer board used V53A. V53A is one of the NEC V series microcontrollers. It is integrated on a chip V33A core, 8259, 8253, 8251, 8271 and others. V33A is very fast that same as 80286 procesor.
TMPZ84C015 CPU Board [ja]
Oct 25, 1997
TMPZ84C015 is one of the Toshiba TLCS-Z80 series microcontrollers. This is a TMPZ84C015 board that used Akizuki-denshi AKI-80 board kit.
V25 CPU Board [ja]
Aug 10, 1997
V25 is one of the NEC V series microcontrollers. It is V30 cored microcontroller that integrated with sirial ports, parallel ports, timers, DMAC and others.
MPU Temperature Meter [ja]
May 5, 1997
Multi point temperature meter which displays tempertures to an LED display with time divided. This is good for monitoring temperature of PC components.
Low Power Timer [ja]
Dec 18, 1996
Low power timer. It can operate with a CR2032 litium battely.
KL5C8012 CPU Board [ja]
Dec 8, 1995
This is a microcomputer board used Kawasaki Sleel KL5C8012. KL5C8012 is a very fast KC80 cored one chip microcontroller. KC80 is a Z80 compatible MPU core that four times faster than Z80 on same clock frequency.

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