techduopulse / Latest
The newest reporting, analysis, explainers, reviews, and practical guides from the techduopulse newsroom.
Showing 121–144 of 320 stories
ExplainerA beginner-friendly explanation of how a star tracker uses star-field images to estimate spacecraft orientation, how it fits into an attitude-control system, and where its limits begin.
ExplainerA plain-English guide to what a Geiger–Müller tube counts, how pulse electronics fit around it, and why dead time, calibration and radiation type matter.
ExplainerUse an electrical-conductivity (EC) sensor to track ionic content in hydroponic solution, while keeping the probe, conditioning circuit, temperature compensation and data logger in their proper roles.
ExplainerA practical beginner guide to logging water pH with a probe, an embedded interface circuit, and an Arduino or Raspberry Pi—without confusing calibration with maintenance.
ExplainerLearn how RGB and XYZ color sensors read filtered light channels, then use calibration to detect coloured parts or compare LEDs without treating the sensor like a camera.
ExplainerLearn how a VOC/indoor-air-quality gas sensor supports indoor odour and air-quality trends, why IAQ and CO2-equivalent values are model-derived, and where a hobby module stops being a safety detector.
ExplainerLearn how a particulate matter sensor estimates PM1, PM2.5 and PM10 for an indoor monitor, Arduino logger or HVAC project—and where its readings need care.
ExplainerLearn how a Time-of-Flight (ToF) distance sensor measures range with light, where it fits in a robot or prototype, and what to test before using it.
ExplainerA practical guide to using a laser displacement sensor for PCB component height, thickness, warpage and placement checks, including the setup limits that affect readings.
ExplainerLearn how a photoelectric sensor detects parts, labels and objects on a conveyor, and how reflective, retroreflective and through-beam arrangements differ.
ExplainerLearn how an industrial vibration sensor tracks changes in fans, pumps and motors, and why mounting, frequency range and a normal baseline matter before maintenance decisions.
ExplainerA beginner-friendly explanation of how a strain-gauge load cell, HX711 interface and Arduino work together in a calibrated class, feeder or stock-bin scale—and where the setup should not be trusted.
ExplainerA beginner-friendly guide to how a magnetic rotary encoder turns shaft movement into feedback for motors, knobs and robot joints, and what its magnet, air gap and output cannot tell you by themselves.
GuideA practical beginner guide to using a precision shunt resistor, amplifier and ADC to estimate current, power and accumulated energy in a low-voltage project.
ExplainerA practical beginner guide to using a Hall-effect current sensor for isolated DC-bus, motor or solar-current measurement and reading its analogue output with an MCU ADC.
ExplainerThe Galaxy S26 is officially listed in India. This guide separates confirmed specifications, launch and live-store price references, model choices, and safe first-day checks from claims that need a live verification.
ExplainerSet up an Xbox Series X with a safe first-update routine, practical storage choices and simple TV checks, plus reversible fixes for common setup problems.
ExplainerThe Fosi Audio DAP Neo is a real standalone music player, but its accessible official listing confirms only a narrow set of connections. Check the gaps that matter before you order.
ExplainerA simple India-focused worksheet for comparing a phone’s displayed price, eligible bank discount, exchange value and compulsory charges before checkout.
ExplainerThe iQOO Neo12 name is documented in iQOO's China community, but an official India product or store listing was not present in the sources checked on 15 October 2026. Use these checks before treating a listing, price or warranty claim as real.
ExplainerStart with a quick diagnosis, then work through restart, Wi-Fi, updates, app support, sign-in and storage checks. Leave data-clearing and resets until you know what they remove.
ExplainerA safe, tablet-focused order for fixing Play Store downloads that stay pending, fail to start, will not install or will not update—without jumping straight to a reset.
ExplainerCheck retained capacity with built-in Windows or Mac tools, decide whether a supported charge limit suits your routine, and use reversible power settings to stretch daily runtime.
ExplainerA laptop is usually the safer primary device for long writing, desktop software and demanding course or work portals. A tablet can work for reading, notes, calls and web-based tasks if the exact apps, keyboard and file workflow pass your test first.
