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GitHub Adds Proof of Presence Before High-Impact Enterprise Actions
GitHub Enterprise Cloud can now send managed users back to Microsoft Entra ID before token, webhook, security-setting, or recovery-code actions.

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Maker Culture
View AllNeoPixel Errors From a 3.3 V Controller? Fix the Logic-Level Margin First
A 3.3 V data signal can sit below the guaranteed high threshold of a 5 V WS2812B. A 74AHCT buffer restores margin before code changes mask the electrical fault.
STEM Lab
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5 V UART Into a 3.3 V MCU? Shift the Receive Path, Then Check the Return
A 5 V UART TX can overstress a 3.3 V-only RX input. Translate each direction from the receiving pin’s limits, then verify thresholds and edge shape.






