Engineering-first robotics, AI, maker hardware, STEM, and creator technology reporting
A practical accessibility-first checklist for momentary switches, 3.5 mm jacks, debounce, scan timing, fail-safe states, mounting, and user testing.
Building an Accessible Switch Interface for STEM Projects Starts With the Input Contract Read More
A sports-technology STEM guide to choosing phone video, inertial sensors, or timing gates for sprint starts, cadence, segment time, and repeatable measurement.
IMU or Phone Video for Sprint Measurement? Start With the Question, Not the Sensor Read More
A safer maker-garage charging zone separates normal charging from damaged-battery intake and keeps people, combustibles and egress out of the hazard path.
Design an E-Bike Charging Zone That Keeps the Exit Clear Read More
A signal-level STEM lesson comparing cadence and torque inputs, including latency, filtering, plausibility checks and firm classroom safety limits.
Motion vs Rider Effort: An E-Bike Sensor STEM Lesson Read More
A documentation-based look at the OAK-D Lite’s stereo depth hardware, on-device RVC2 processing, focus variants and integration trade-offs.
Luxonis OAK-D Lite: Features and Integration Trade-offs Read More
A broadened-lane STEM/sports-tech guide comparing UWB and Bluetooth Channel Sounding for timing gates, proximity experiments and student measurement projects.
UWB or Bluetooth Channel Sounding? Sports-Tech STEM Projects Need Accuracy Claims They Can Prove Read More
A current limit can save boards, cables, and debugging time when maker labs power unknown circuits, robot sensors, LEDs, and prototypes.
Bench Power Supply Current Limits Are a Maker-Lab Safety Feature, Not a Knob to Ignore Read More
Photogates and phone video can both teach sports technology, but they measure different things. The best classroom setup starts with the question.
Photogate Timing or Phone Video? STEM Sports Tech Projects Need the Right Measurement Tool Read More
A concise, source-checked look at Petoi Bittle X V2 SKUs, BiBoard V1 hardware, conflicting official specifications, and what buyers should verify.
Petoi Bittle X V2 Spec Analysis: A Buyer-Readiness Check Read More
Raspberry Pi highlighted a pocket cyberdeck built inside an Altoids tin. The fun build points to real constraints around displays, keyboards, power, and serviceability.
A Raspberry Pi Zero Cyberdeck in an Altoids Tin Shows Why Tiny Field Terminals Are Hard Read More