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A breadboard power supply with USB C power delivery - The Byte Sized Engineer | DigiKey

Most breadboard power supplies use a DC barrel jack or USB mini connectors. In this video Zach updates and improves this design with USB C power delivery.

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Blog

Measuring the Speed of Sound Using an Ultrasonic Sensor and Oscilloscope

发布日期：2026-04-01

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Measuring the Speed of Sound Using an Ultrasonic Sensor and Oscilloscope

In this blog, I will walk through a simple experiment that uses an ultrasonic sensor and oscilloscope to measure how fast sound travels through the air.

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Contributor Highlight

L293D Motor Driver Shield and Arduino

发布日期：2026-04-01

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L293D Motor Driver Shield and Arduino

In this guide, we will first understand how the L293D shield works and then implement a practical servo motor control setup using Arduino UNO.

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Article

Select the Right Connectors to Meet Stringent Mil/Aero Electrical and Mechanical Requirements

发布日期：2026-04-01

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Select the Right Connectors to Meet Stringent Mil/Aero Electrical and Mechanical Requirements

Connectors for aerospace and defense integrate sophisticated materials, contact and body design, fabrication, and evaluation to meet mandated objectives.

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Contributor Highlight

Make a Phone Call Using the SIM900 GSM Shield & Arduino - Visuino Tutori

发布日期：2026-03-24

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Make a Phone Call Using the SIM900 GSM Shield & Arduino - Visuino Tutori

Step-by-step guide to set up a SIM900 GSM shield on an Arduino, program it in Visuino, and use two pushbuttons to initiate and terminate phone calls.

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Article

Single-Chip Systems, MCUs for Matter-Enabled Smart Home Devices Fill Multiple Mesh Network Roles

发布日期：2026-03-31

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Single-Chip Systems, MCUs for Matter-Enabled Smart Home Devices Fill Multiple Mesh Network Roles

Energy-efficient, low-latency components from NXP support Matter-enabled smart home networks while development tools help designers create new prototypes.

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Contributor Highlight

How to Use PCF8574 GPIO Extender With Arduino or ESP32

发布日期：2026-03-24

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How to Use PCF8574 GPIO Extender With Arduino or ESP32

How to Use PCF8574 GPIO Extender With Arduino or ESP32: If you require more pins for your project to connect more buttons, sensors or LEDs, GPIO expanders can h

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Contributor Highlight

Color Sensing Music Player

发布日期：2026-03-31

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Color Sensing Music Player

Make colored bricks play music.

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We take a look at the PIC32CM GC00 Curiosity Pro development board from Microchip, enabling development of industrial-grade systems that need reliable touch control and functional safety compliance.

Video

Microchip PIC32CM GC Curiosity Pro - DK Unboxing | DigiKey

发布日期：2026-03-31

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Microchip PIC32CM GC Curiosity Pro - DK Unboxing | DigiKey

We take a look at the PIC32CM GC00 Curiosity Pro development board from Microchip, enabling development of industrial-grade systems that need reliable touch control and functional safety compliance.