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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.

Video

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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Image of Common Website Vulnerabilities and How to Fix Them

Blog

Common Website Vulnerabilities and How to Fix Them

Publish Date: 2026-05-13

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Common Website Vulnerabilities and How to Fix Them

Web development opens the door to creating awesome tools, websites, and personal projects! However, it can be a bit overwhelming trying to figure out how to keep your site secure while building it.

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Article

From Copper to Crimp: What Makes a Premium Electrical Connection?

Publish Date: 2026-05-13

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From Copper to Crimp: What Makes a Premium Electrical Connection?

A review of wire terminals and the features that enable connectors to provide superior electrical resistance, wire pullout strength, and protection from shorts.

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Contributor Highlight

Arduino Color Recognition Using TCS34725 Color Sensor and Neopixels

Publish Date: 2026-04-14

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Arduino Color Recognition Using TCS34725 Color Sensor and Neopixels

Learn how to read a paper’s color via the TCS34725 sensor and display it on an 8‑LED NeoPixel strip, all powered by Arduino and Visuino.

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image of From prototype to deployment: COTS enables faster, flexible, scalable solutions webinar

Webinar

From prototype to deployment: COTS enables faster, flexible, scalable solutions

Publish Date: 2026-05-13

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From prototype to deployment: COTS enables faster, flexible, scalable solutions

Join us as we explore how COTS solutions can help development teams move faster without compromising performance, flexibility, or system reliability.

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Image of Use a Modular Platform with Robust Components to Simplify Consistent DC/DC Regulator Evaluation

Article

Use a Modular Platform with Robust Components to Simplify Consistent DC/DC Regulator Evaluation

Publish Date: 2026-05-12

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Use a Modular Platform with Robust Components to Simplify Consistent DC/DC Regulator Evaluation

How a modular evaluation platform uses a portfolio of inductors and stable passives to simplify evaluation of buck, boost, and LED-driver DC/DC topologies.

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Image of Use Off-the-Shelf EMI Filters to Simplify EV Powertrain Compliance

Blog

Use Off-the-Shelf EMI Filters to Simplify EV Powertrain Compliance

Publish Date: 2026-05-12

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Use Off-the-Shelf EMI Filters to Simplify EV Powertrain Compliance

Designers can use off-the-shelf EMI filters to quickly meet EMC mandates for EV powertrains.

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Contributor Highlight

Change Random Colors NeoPixel Shield Adafruit & Arduino - 40 RGB LED Pi

Publish Date: 2026-04-13

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Change Random Colors NeoPixel Shield Adafruit & Arduino - 40 RGB LED Pi

Step‑by‑step guide: wire the Adafruit NeoPixel Shield, set up Visuino, generate code, and flash your Arduino to create a dynamic random color display.

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Contributor Highlight

Arcade Fightstick

Publish Date: 2026-05-12

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Arcade Fightstick

Build your own joystick and buttons gaming controller.

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We take a look at the SiXG301 Explorer Kit from Silicon Labs, supporting concurrent multi-protocol operation for Zigbee, Bluetooth LE, Bluetooth mesh, Matter, and Thread in demanding IoT applications.

Video

Silicon Labs SiXG301 - Unboxing | DigiKey

Publish Date: 2026-05-12

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Silicon Labs SiXG301 - Unboxing | DigiKey

We take a look at the SiXG301 Explorer Kit from Silicon Labs, supporting concurrent multi-protocol operation for Zigbee, Bluetooth LE, Bluetooth mesh, Matter, and Thread in demanding IoT applications.

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Blog

Semiconductor Packaging & SoC Design

Publish Date: 2026-05-11

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Semiconductor Packaging & SoC Design

The word "semiconductor" is a strong buzzword. They drive the stock market, enable all of our electronics and systems, and essentially hold up the world.

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Contributor Highlight

ESP32 WhatsApp Alerts Without a SIM Card

Publish Date: 2026-05-11

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ESP32 WhatsApp Alerts Without a SIM Card

Learn how to build an ESP32 WhatsApp notification system using CircuitDigest Cloud API. Send real-time sensor alerts to your phone, no SIM card, no WhatsApp Business API needed. Step-by-step tutorial with code.

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