Latest Analog Projects

Learn how to use a rotary encoder in an Arduino project. Rotary encoders are electromechanical, electro-optical or…

Learn how to use a rotary encoder in an Arduino project. Rotary encoders are electromechanical, electro-optical or electro-magnetic devices which convert rotational motion into digital or analog information.

This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel…

This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel to your sound system and some LEDs.

This article explains how to install PyVisa and MatPlotlib for Python. PyVisa connects a computer to the measurement…

This article explains how to install PyVisa and MatPlotlib for Python. PyVisa connects a computer to the measurement instruments and matplotlib helps to visualize the data collected from these instruments.

Use a laser and a photo resistor to build a laser based point-to-point communication system. The best part? It's under $10.

Use a laser and a photo resistor to build a laser based point-to-point communication system. The best part? It's under $10.

Is IDT’s Tx/Rx wireless power solution suitable for applications that require high-precision analog performance?

Is IDT’s Tx/Rx wireless power solution suitable for applications that require high-precision analog performance?

This project will show how to build a basic analog voltmeter using an Arduino Uno, LabVIEW software, and littleBits…

This project will show how to build a basic analog voltmeter using an Arduino Uno, LabVIEW software, and littleBits electronics modules.

Part 3 in the “How to Make an EFM8-Based Sound Synthesizer” series.

Part 3 in the “How to Make an EFM8-Based Sound Synthesizer” series.

Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.

Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.

Part 1 in the “How to Make an EFM8-Based Sound Synthesizer” series, which will design a sound synthesizer that can…

Part 1 in the “How to Make an EFM8-Based Sound Synthesizer” series, which will design a sound synthesizer that can play standard musical notes. We will accomplish this using a low-cost, small-form-factor EFM8 microcontroller in conjunction with a few external components and a speaker.

Part 5 in the “How to Make an Ambient Light Monitor” series.

Part 5 in the “How to Make an Ambient Light Monitor” series.

Part 4 in the “How to Make an Ambient Light Monitor” series

Part 4 in the “How to Make an Ambient Light Monitor” series

You and your friends are planning the greatest party your hometown has ever seen. Just one problem: you don't have a…

You and your friends are planning the greatest party your hometown has ever seen. Just one problem: you don't have a karaoke system. What's a great party with no karaoke? We're about to fix that. All you need are a few potentiometers and an op-amp.

Part 2 in the "How to Make an Ambient Light Monitor" Series. Our smart ambient light monitor will need to digitize and…

Part 2 in the "How to Make an Ambient Light Monitor" Series. Our smart ambient light monitor will need to digitize and analyze signals from an optical detector, so it is time to explore the EFM8’s integrated analog-to-digital conversion functionality.

Part 3 in the “How to Make an Ambient Light Monitor” series. The project continues by building an ambient light…

Part 3 in the “How to Make an Ambient Light Monitor” series. The project continues by building an ambient light sensor circuit on a breadboard, digitizing the circuit’s output signals, and interpreting the digitized measurements.

How to interface a Raspberry Pi to an I2C temperature sensor (TMP102) and then publish the data to a Google sheet and graph.

How to interface a Raspberry Pi to an I2C temperature sensor (TMP102) and then publish the data to a Google sheet and graph.

Introduction to the Arduino SPI Library with example sketch for the LTC1286 12 Bit ADC and the DAC714 16 bit DAC.

Introduction to the Arduino SPI Library with example sketch for the LTC1286 12 Bit ADC and the DAC714 16 bit DAC.

Build an analog booby-trap alarm system with an LM386 amplifier and an NPN transistor. This alarm system is activated by…

Build an analog booby-trap alarm system with an LM386 amplifier and an NPN transistor. This alarm system is activated by a trip sensor that sets off a screeching noise, alerting everyone and scaring off thieves.

An infrared (IR) light sensor allows the use of an Arduino to receive and decode signals from a TV remote control.

An infrared (IR) light sensor allows the use of an Arduino to receive and decode signals from a TV remote control.

To control high-voltage or high-power circuits with an Arduino, you have to isolate them from the Arduino with a relay.…

To control high-voltage or high-power circuits with an Arduino, you have to isolate them from the Arduino with a relay. Here's how!