The connecting lead of each component must be soldered into place on the printed circuit board. A specialized soldering iron must be used — one that is neither too big nor too powerful to harm either the component or the circuit board.
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SOLDERING IRONS BASIC INFORMATION AND TUTORIALS
SOLDERING IRON - Basic tools for electronic projects.
The connecting lead of each component must be soldered into place on the printed circuit board. A specialized soldering iron must be used — one that is neither too big nor too powerful to harm either the component or the circuit board.

The connecting lead of each component must be soldered into place on the printed circuit board. A specialized soldering iron must be used — one that is neither too big nor too powerful to harm either the component or the circuit board.
AUTOMATIC SHUTOFF BATTERY CHARGER SIMPLE PROJECT SCHEMATIC DIAGRAM
This is a simple electronic project of automatic shutoff battery charger. Adjust this circuit by setting the 500-ohm resistor while it is attached to a fully charged battery.
The circuit is capable of charging a 12-v battery up to six ampere rate.
The circuit is capable of charging a 12-v battery up to six ampere rate.