The circuit shown above is a basic voltage-to-frequency converter. It uses an LM331 (IC1) V-F converter and a 4N25 (OK1) optocoupler (www.vishay.com) as the galvanic isolator.With the power supply ...

Arduino Analog I/O Multiplexer. 15 Comments . by: Al Williams. June 9, 2018. Title: ... There are five input pins to the chip which lets you connect one analog pin to any one of 32 analog pins.

Becky Stern shows you how to use digital and analog inputs when building Arduino circuits, including controlling LEDs using pushbuttons and potentiometers.

A thermistor can be used to compensate for temperature variation in other components of an electronic circuit. Here is an Arduino experiment with a famed linear active thermistor chip MCP9700A from ...

To be fair, there are a few more bits too, including paper coated with pencil graphite and tin foil, which forms a variable resistor you can read with an Arduino analog input. You can see the ...

The schematic-configured breadboard, comes with integrated analog and digital functions, variable power supply, and Arduino capability. Microaware’s Sandwizz, a schematic-configurable breadboard ...

The long-awaited Arduino Due just hit the market, replacing the 8-bit, 16 MHz brain of the popular Uno microcontroller prototyping platform with a 32-bit, 84 MHz processor, while augmenting inputs ...