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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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Accelerating time to market for Bluetooth® LE wearable health devices

Publish Date: 2026-06-10

Accelerating time to market for Bluetooth® LE wearable health devices

Wearable health monitoring is transforming remote patient care, enabling continuous vital sign tracking beyond clinical boundaries.

Contributor Highlight

Build a Handheld Arduino Retro Game Console

Publish Date: 2026-06-09

Build a Handheld Arduino Retro Game Console

Build a pocket-sized Arduino game console with 10 arcade games, Snake, Tetris, Pacman & more. Full wiring diagram, Arduino code & assembly guide included.

Contributor Highlight

Build a Pocket Optocoupler Tester for Fast Diagnostics

Publish Date: 2026-06-09

Build a Pocket Optocoupler Tester for Fast Diagnostics

Build a simple DIY optocoupler tester circuit with two LEDs and a 3.7V battery. Test 4-pin and 6-pin optocouplers instantly, no instruments needed.

Article

Select the Appropriate Power Supplies for Cobots and AGVs in Manufacturing

Publish Date: 2026-06-09

Select the Appropriate Power Supplies for Cobots and AGVs in Manufacturing

Automated manufacturing increasingly relies on cobots and automated guided vehicles (AGVs) to improve production efficiency and reduce product variability.

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What Are Power Line Filter Modules and Why Do You Need Them?

Publish Date: 2026-06-09

What Are Power Line Filter Modules and Why Do You Need Them?

Line filters are designed to suppress conducted EMI on power and signal lines from both leaving and entering a device.

Contributor Highlight

M5Stack Core ESP32 - WiFi Network Scanner

Publish Date: 2026-05-07

M5Stack Core ESP32 - WiFi Network Scanner

Learn how to create a WiFi network scanner with M5Stack Core ESP32 and Visuino. Scan, list, and display surrounding networks in this step‑by‑step guide.

Video

Surface-Mount Haptics, Mics, and Speakers from PUI Audio PIO | DigiKey

Publish Date: 2026-06-09

Surface-Mount Haptics, Mics, and Speakers from PUI Audio PIO | DigiKey

This video discusses the Surface-Mount Haptics, Mics, and Speakers from PUI Audio. These components offer compact, high-performance audio and tactile feedback solutions designed for automated assembly.

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Blog

Low-Cost, Power Efficient EMG Prosthetic Hand (Part 3)

Publish Date: 2026-06-08

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Low-Cost, Power Efficient EMG Prosthetic Hand (Part 3)

In my first blog, I talked about the plan and the overall roadmap. In my most recent blog, I talked about the technical plans and the road bumps we encountered. With all that out of the way, let’s talk about the final implementation and the results.