I²C Pull-Ups: Calculate the Valid Resistor Range
Calculate I²C pull-up limits from rise time, capacitance and sink current, then verify parallel resistors and real waveforms.
I²C Pull-Ups: Calculate the Valid Resistor Range Read MoreMaker Culture
Maker Culture covers maker hardware, embedded systems, 3D printing, fabrication tools, sensors, lab gear, and creator field equipment, with practical guidance for workshops, classrooms, and engineering teams.
Microcontroller Brownout Resets: Capture the Voltage Droop
Diagnose microcontroller brownout resets by preserving reset reason, triggering on the load event and measuring the supply at the MCU power pins.
Microcontroller Brownout Resets: Capture the Voltage Droop Read More
A Field Media Backup Is Not Finished Until Both Copies Verify
A practical field offload workflow for creating two independent media copies, checking both with SHA-256 and keeping the source card until verification passes.
A Field Media Backup Is Not Finished Until Both Copies Verify Read More
USB Audio Interface Clipping: Find the First Overloaded Stage
A signal-chain method for locating clipping at the microphone, preamp, converter, plug-in, bus or fixed output.
USB Audio Interface Clipping: Find the First Overloaded Stage Read More
PrusaSlicer 3.0 Preview Rebuilds the UI and Project Model
PrusaSlicer 3.0 previews a rewritten interface, independent multi-bed projects, layered YAML profiles, sandboxed Lua plugins and a true offline mode.
PrusaSlicer 3.0 Preview Rebuilds the UI and Project Model Read More
SD Card Read Speed Is Not the Number Field Cameras Depend On
A practical guide to sustained write speed, Video Speed Class, bitrate headroom, card authenticity, and pre-shoot verification for action and 360 cameras.
SD Card Read Speed Is Not the Number Field Cameras Depend On Read More
Digital Caliper or Micrometer for 3D-Printed Parts? Match the Tool to the Tolerance
A buyer-style comparison of digital calipers and micrometers for checking printed dimensions, wall thickness, filament diameter, and repeatability.
Digital Caliper or Micrometer for 3D-Printed Parts? Match the Tool to the Tolerance Read More
A 3D-Printer Nozzle Wear Check Needs a Baseline, Not Just a Bad Print
A repeatable nozzle-wear workflow using material history, visual inspection, extrusion consistency, a saved coupon, and controlled replacement verification.
A 3D-Printer Nozzle Wear Check Needs a Baseline, Not Just a Bad Print Read More
Thermal Camera or IR Thermometer for 3D Printer Diagnostics? Know What Each Can Miss
A buyer-style comparison of thermal cameras and spot IR thermometers for checking 3D printer beds, electronics, enclosures, and heat-related faults.
Thermal Camera or IR Thermometer for 3D Printer Diagnostics? Know What Each Can Miss Read More
NAS Scrubs, SMART Tests, and Restore Checks Solve Different Storage Problems
A practical NAS maintenance guide for separating data scrubs, SMART drive tests, backups, and restore checks in maker labs and creator workflows.
NAS Scrubs, SMART Tests, and Restore Checks Solve Different Storage Problems Read More