Create an Ambient-Adaptive real-time CO2 Bar Updated: 2025-10-22

This tutorial walks you through a tiny, privacy-first web app that reads only the advertised CO2 level from a nearby HibouAir sensor using a BleuIO USB BLE dongle. Renders it as a color bar with a simple “High CO2” warning when your threshold is crossed.

Image of Faster printf Debugging (Part 2) Faster printf Debugging (Part 2)

Learn non-blocking UART and USB tricks to slash printf debug times on STM32 boards. Speed up embedded logging with interrupts, DMA, and smart buffering.

New Product Intro - Sintered Ferrite Powder

Sintered Ferrite Powder, what makes this new material unique.

Image of Allegro Microsystems ACS37100 10 MHz Integrated TMR XtemeSense™ Current Sensor
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Updated ACS37100 10 MHz Integrated TMR XtremeSense™ Current Sensor Updated: 2025-10-22

The Allegro MicroSystems ACS37100 precision current sensor IC features reinforced isolation up to 4,800 VRMS for 60 seconds.

Image of XP Power ECL30 series compact 30 W AC/DC power supply with dual and triple output options ECL30 Series Compact 30 W AC/DC Power Supply with Dual and Triple Output Options Publish Date: 2025-10-22

XP Power ECL30 series AC/DC power supplies deliver 30 W with dual/triple outputs, universal input, and high efficiency for industrial use.

Image of Can an ADC Be Just a Random Number Generator? Can an ADC Be Just a Random Number Generator? Publish Date: 2025-10-22

A 16-bit ADC will not always give 16-bits of useful information. A lot of 16-bit ADCs really operate as 7-bit ADCs and 9-bit random number generators.

Image of Bel Power Solutions SWI20CB-N and SWI20CB-E Series Power Delivery (PD) Wall Plug Adapters SWI20CB-N/SWI20CB-E Series Power Delivery (PD) Wall Plug Adapters Publish Date: 2025-10-22

Bel Power Solutions SWI20CB-N and SWI20CB-E series compact 20 W AC/DC wall plug adapters are available with either a US fixed-blade plug or a EU fixed-blade plug.

DigiKey Sponsors 2025 Hackaday Superconference Publish Date: 2025-10-22

DigiKey is sponsoring the 2025 Hackaday Superconference, a global event that brings together hardware hackers, makers and tech enthusiasts running from Oct. 31- Nov. 2, in Pasadena, Calif.

Image of Banner Engineering B25 Wide Beam Sensors Updated B25 Wide Beam Sensors Updated: 2025-10-22

Banner Engineering B25 wide beam sensors provide superior detection across a wide beam regardless of target shape, position, or material.

Newhaven Display’s Bar-Type IPS TFTs
Newhaven Display’s Bar-Type IPS TFTs

The Bar Type IPS TFT Displays are designed to be the solution for applications that require a smaller footprint display design.

Image of TE Connectivity AMP Dynamic Series Connectors Dynamic Series Connectors Publish Date: 2025-10-22

The keying and locking features of TE Connectivity AMP Dynamic D1000 connectors provide reliability and reduce unexpected unmating and lever breakage.

ebike in the foreground with a man standing at the edge of a rise in the middle ground and mountains stretching off in the background Hirose Connectors Engineered for E-Bikes Publish Date: 2025-10-22

Hirose’s compact, waterproof, vibration-resistant connectors deliver reliable power and signal for e-bikes and micro-mobility systems.

Image of onsemi Hot Swap Smart Fuses Hot Swap Smart Fuses Publish Date: 2025-10-22

onsemi Hot Swap smart fuses are advanced, electronically resettable in-line protection devices designed for high-current 12 V systems.

Infineon 4000T Multi-Sense Camping Lamp – Potentially Genius | DigiKey

Tomorrow Lab collaborates with Infineon to create a product using the PSOC 4000T Multi-Sense. The PSOC 4000T Multi-Sense is a platform that combines inductive sensing, capacitive sensing, and liquid level sensing in a single programmable chipset.

Image of Molex's Mini-Fit Max Connector Updated Mini-Fit Max-stik Updated: 2025-10-22

Molex' Mini-Fit Max wire-to-board stik giver 20,5 A strøm i en kompakt pakke og har et robust terminaldesign med låsepind.

image of Silicon carbide and multi technology solutions in novel isolated packages webinar Silicon carbide and multi technology solutions in novel isolated packages

This webinar will highlight Littelfuse's SiC technology and packaging innovations that improve system efficiency and power density.

Image of Cosel PLA600F Series Enclosed AC/DC Power Supplies with Universal Input and Customization Options PLA600F Series 600 W Enclosed AC/DC Power Supplies Publish Date: 2025-10-22

Cosel PLA600F series 600 W power supplies offer wide AC input, high efficiency, and optional features like SEMI F47 and remote control.

Image of XP Power ECL15 Series Compact AC/DC Power Supply with Single, Dual, and Triple Outputs ECL15 Series Compact AC/DC Power Supply with Single, Dual, and Triple Outputs Publish Date: 2025-10-22

XP Power ECL15 series compact AC/DC power supply offers 15 W output with universal input, multiple outputs, and mounting formats.

PoE and PoE+ With Diode Bridges Schematic

Silvertel schematic for PoE and PoE+ with diode bridges.

PoE and PoE+ Without Diode Bridges Schematic

Silvertel schematic for PoE and PoE+ without diode bridges.