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Tag: Ni-Cd

Cat Links Lasers, Personal Project

Laser Diode Driver

Posted on January 12, 2011 The Engineer

Connection The parts arrived for my adjustable laser diode driver! Components here are an LM317K with heatsink, 100Ω 10-turn precision potentiometer, 15-turn counting dial & a 7-pin matching plug & socket. Here is the schematic for the driver circuit. I have used a 7-pin socket for provisions for active cooling

Continue readingLaser Diode Driver

Cat Links Personal Project

Portable Power Supply

Posted on January 10, 2011January 21, 2011 The Engineer

This is detailing my portable multi-purpose power pack of my own design. Here is an overview, mainly showing the 4Ah 12v Ni-Cd battery pack. Panel Features – Bottom: Car cigar lighter socket, main power keyswitch. Top: LED toggle switch, provision for upcoming laser project, Red main Power LED, 7A circuit

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Cat Links Consumer Gear

Bosch GSR 14.4v Pro Drill-Driver

Posted on October 14, 2010 The Engineer

Here is a Bosch 14.4v Professional cordless drill/driver, recovered from a skip! It was thrown away due to a gearbox fault, which was easy to rectify. Here is the drill with the side cover removed, showing it’s internal parts. The speed controller is below the motor & gearbox here. The

Continue readingBosch GSR 14.4v Pro Drill-Driver

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