Monatliche Archive: September 2012



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Measuring current with an Arduino or any other microcontroller is not as simple as measuring voltages directly with the Arduinos/microcontrollers ADC. In most cases a designer would use a current shunt amplifier/monitor. At first I started with the MAX9634F current shunt amplifier (CSA) in my design. The company Touchstone Semiconductor […]

Arduino: measuring current: use a current shunt monitor


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Introduction During the last weeks I upgraded my solar-usb-charger system. Here you can find the original design: http://www.zipfelmaus.com/bau-dir-ein-apple-solar-ladegerat/ (german article). What the old design basically did was converting the 12V DC from the solar powered battery system to USB friendly 5V DC. New Features I added a couple of features: […]

Upgrade: Solar-USB-Charger