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C++ Robots. Driving an LED with or without a resistor. In this post I will try to show, why it’s a good idea to use a current limiting resistor for an LED.

Driving an LED with or without a resistor

And when it’s save to drive the LED without any resistor. If you read about LEDs, you will notice that everyone tells you, that you need a current limiting resistor. VBScript To Send Email Using CDO. Recover MySQL root password. You can recover MySQL database server password with following five easy steps.

Recover MySQL root password

Step # 1: Stop the MySQL server process. Step # 2: Start the MySQL (mysqld) server/daemon process with the --skip-grant-tables option so that it will not prompt for password. Step # 3: Connect to mysql server as the root user.