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Martin.Kumm

SMD Soldering Station for Weller Soldering Tips [140010-I]

Status: Finished
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January 27, 2014

See also the Platino Soldering Station for more discussions about this project.

The project is about a cheap SMD solder station built as an Arduino shield (Arduino UNO). It supports active soldering tips from Weller (RT series) which contain the heating element as well as a sensor and provides a standard 3.5 mm jack. Together with the corresponding female connector you will get a compact SMD soldering iron with very fast heat up times of a few seconds. The shield consists of a low-noise amplifier for measuring the temperature via the ADC of the AVR, a power MOSFET stage to control the heating using PWM and a 7-segment LED display and push buttons for setting and displaying the temperature. The controller is realized digitally on the AVR. Further information can be found at: http://www.martin-kumm.de/smd_solder_station

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Images
Top view of the arduino shield
Complete soldering station including case and power supply
Power supply of the first solder station
Pinout of the Weller solder pen
Schematics
PCBs
Software

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