EDN

Design digital input modules with parallel interface using industrial digital inputs

Industrial digital input chips provide serialized data by default. However, in systems that require real time, low latency, or higher speed, it may be preferable to provide level-translated, real-time ...
Electronic Design

SPI Output Driver Supplies Mixed Digital Inputs As Well As Transient Protection

Serial Peripheral Interface (SPI) output driver chips are popular with embedded designers because they provide multiple outputs without using any CPU I/O pins. This article explains how to adapt a ...
Electronic Design

Expand Microcontroller Input Capacity Using Ternary Logic

Using the analog converter input function of a compact microcontroller’s input pins to read ternary logic encoding allows two pins to sense as many as nine configuration states. When designing with ...
EDN

Arduino Uno Pinout

Each of the 14 digital pins on the Arduino Uno can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. They operate at 5 volts. Each pin can provide or receive ...