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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.

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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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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

Date de publication : 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

Date de publication : 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

Date de publication : 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

Date de publication : 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

Date de publication : 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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Image of Semiconductor Packaging & SoC Design

Blog

Semiconductor Packaging & SoC Design

Date de publication : 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

Date de publication : 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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Contributor Highlight

Build a USB Game Controller with Arduino Uno R4

Date de publication : 2026-05-11

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Build a USB Game Controller with Arduino Uno R4

Learn how to build an Arduino game controller with our complete DIY guide. Includes circuit diagram, Arduino code, wiring instructions, and USB setup. Free GitHub code download.

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Contributor Highlight

The Ultimate Smartphone VFO ESP32 & Si5351 Wireless Control

Date de publication : 2026-05-11

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The Ultimate Smartphone VFO ESP32 & Si5351 Wireless Control

A professional-looking VFO for your radio projects without spending a fortune on touchscreen, rotary encoder or complex hardware.

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Contributor Highlight

Scrolling Text on LCD I2C Display Using Arduino

Date de publication : 2026-04-10

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Scrolling Text on LCD I2C Display Using Arduino

Follow this easy guide to create scrolling text on an I2C LCD display with Arduino UNO and Visuino. Includes circuit, code, and video walkthrough.

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Short Video walking through the P1150 User Interface.

Video

P1150 Quick Start Video

Date de publication : 2026-05-11

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P1150 Quick Start Video

Short Video walking through the P1150 User Interface.

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