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Calling for ideas! Let us know if you have anything want us to make it as tutorial, mini project or product. You may win a free PCB fabrication if got selected
Voltage Control Circuit
Voltage controller Lastly, we need a voltage controller that allow user to switch from 0v to 20v. We can use a simple 10x gain op-amp system and a DAC to do this. DAC that operate in I2C can be easily control by microcontroller to vary voltage from 0 to 2.048v and then send to op-amp
Current Limiter Circuit
Current limiter Sensing the current is only part of this system. We need another part as reference to limit the current flow and it must be in digital form so that we can control it using microcontroller. Yes, by using PWM from microcontroller and a simple second order low pass filter, we can make a
Shunt as Current-to-Voltage Converter
Shunt and Current-to-Voltage Converter Shunt is a resistor that carrying a very small value of resistance, normally 1 Ohm. Shunt usually takes important role in current measurement. In our famous equation, V = I * R when R = 1 ohm, voltage across that resistor must equivalent to current value. For example, if voltage across
DC-DC Boost Up Converter
DC-DC Boost Up Converter Dave uses MIC2253 (previously from Micrel but now Microchip owns it) dc-dc boost up converter to do this task but however, MIC2253 available only MLF package which require a hot air flow station to do the soldering. So to do things easier we decided to take LT3489 as alternatives but it
FPGA 101 : Synchronizer
Learn the concept of synchronizer in digital system design!