Binary Weighted Resistor DAC

Binary Weighted Resistor DAC circuit

In this tutorial, we will discuss the workings of a binary-weighted resistor DAC. It consists of an inverting amplifier op-amp and a string of weighted resistors to distinguish each bit …

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DS1990A 64-bit Serial Number iButton

DS19990A iButton interfacing with microcontroller

iButtons DS1990A is an amazing compact device introduced exclusively by Maxim integrated. It has a factory-lasered 64-bit identification number imprinted for unique traceability. This engraved unique number is un-alterable. On …

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