<< previous page 4 home >>    .: Led display Digital Voltmeter       This is an easy to build, very accurate and useful digital voltmeter. It has been designed as a panel meter and can be used in DC power supplies or anywhere else it is necessary to have an accurate indication of the voltage present. It can display any DC voltage in the range of  0-1999 Volts more    .: How to rebuild a Li-Ion battery pack       Did you recently notice poor performance of your notebook Li-Ion battery! Don't be taken aback, this is happening even to the best batteries! Li-Ion batteries are widely used in notebooks. Find out how you can safely reconstruct a Li-Ion pack. (Implemented for Fujitsu - Siemens Lifebook S-Series FPCBP25 battery pack) more << previous page 4 home >>

  Electronics-lab.com (C) 2002-2008
Any logo, trademark and project represented here are property of their respective owner - [Privacy Policy]