Circuit Lake

Electronic Project and Circuit Collection

Renesas


Automatic Volume Control System

March 11, 2012 By: admin Category: Audio, Control, Microcontroller, Project, Remote, Renesas No Comments →

The project shows you how to build an automatic volume control system for TV-sets, home audio systems, etc. The system measures current volume level from Audio AUX output and controls audio volume by Infrared commands. The idea is simple – in many situations TV-set user has to adjust the volume: when he or she watch […]

Automotive Scan Tool

March 09, 2012 By: admin Category: Automotive, Interfacing, Microcontroller, Project, Renesas No Comments →

This automotive scan tool uses the Renesas M16C/62P development board to create an interface to the onboard diagnostic (OBD) port in cars. The OBD-II communications standard, defines three standard interfaces J1850 VPW, J1850 PWM and ISO 9141-2. This device was designed ONLY for ISO 9141-2 interface and it has been tested on Subaru & Honda […]

Optical Photoelectric Beam Sensor: Imaging Silicon Security

March 04, 2012 By: admin Category: Microcontroller, Project, Renesas, Security System, Sensor No Comments →

This project is a simple Renesas M32C/84 microcontroller-based Optical PhotoElectric Beam sensor. It could be used for various applications such as security sensor, optical switch counter, electronic lever trip alarm, etc. This project tends to do something different from the usual use of optical navigation sensor for movement detection. It will use the image capturing […]

Ping-Pong Score Keeper

March 02, 2012 By: admin Category: Digital, Display, Game, Microcontroller, Monitoring, Project, Renesas No Comments →

The purpose of this project is to build a device that can keeps track of the score and which team is serving. Mounted on the edge of the ping-pong table, the device speaks to you – scores and service are announced verbally. They are also displayed on the LCD. The ping-pong score keeper is built […]