Hardware FYI

Topic	Replies	Views	Activity
Brainstorm 15-20 ways to remove balloons from a room General ME Questions apple	0	3237	October 26, 2022
There are three buckets with water, air, and gasoline. If you put a sensor in the buckets, what type of sensing technology would you use to tell them apart? Mechanical Design	1	2286	November 29, 2021
How would you characterize the pressure drop across the length of a heatsink Heat Transfer apple , thermal-engineer	1	2276	September 14, 2025
How do you choose the number of layers in a PCB? Electrical Engineering board-level	1	2269	July 11, 2023
What is a PID Controller? Electrical Engineering	1	2247	September 7, 2020
Landing Interviews at Top Tech Companies (Apple, Tesla, SpaceX, etc.) Consumer Hardware Guide	1	2216	November 18, 2023
When you use the front brakes on your bicycle, why does your body want to rotate over the front wheel? Free Body Diagrams	1	2200	January 13, 2021
What is the difference between analog vs. digital signals? Is there a preference of when to choose each signal type? Electrical Engineering apple	1	2095	February 16, 2022
iPhone Home Button: How would you design the mechanism of the home button? Mechanical Design apple	0	2884	April 17, 2022
What sensors are used in an Xbox Kinect? Explain how these sensors work and why are they are used Mechanical Design uber , microsoft , mechatronics	1	2034	October 3, 2020
Basics of Metal Casting Consumer Hardware Guide metals	1	2015	September 6, 2020
Defining Your Sample Size Consumer Hardware Guide	1	2009	December 4, 2023
How would you measure repeatability of an arm that needs to swing exactly 180 degrees (with a sensor mounted on the end?) Reliability & Mechanical Test	1	1987	April 26, 2023
A machine includes a bronze cart sliding horizontally on steel rails. The design is changed to add a 15° angle to the rails and cart without changing any other features. How does the sliding friction of the two designs compare? Free Body Diagrams carbon	2	1608	September 23, 2025
FIR vs IIR filter Electrical Engineering tesla , qualcomm , astranis , hewlett-packard , signal-processing	1	1914	July 11, 2023
Grades of Steel/Aluminum Consumer Hardware Guide	1	1914	August 3, 2021
How do basic analog components like diodes and capacitors work? Electrical Engineering amazon	1	1886	May 9, 2022
Garden hose has stopped flow. There is constant static pressure and no water hammer. Why does hose have tear in axial direction at the end of the hose? Mechanical Design spinlaunch	1	1854	May 6, 2021
Can you describe a voltage divider and how it works? Electrical Engineering	1	1835	March 7, 2022
Welcome to Hardware FYI Community	1	1824	January 31, 2023
Startup Interview Question: Ensuring Part Flatness Mechanical Engineering general	2	1479	February 14, 2025
Advice for Design Challenges and Teardowns? Community	2	1467	March 25, 2022
Statistics for Manufacturing Consumer Hardware Guide	1	1777	November 20, 2023
If you're on a spaceship and want to throw out garbage outside such that it will propel you outwards, which direction do you throw the garbage? Free Body Diagrams firefly	1	1744	July 31, 2021
What are considerations for designing an injection molded part, like on the back-paneling of a consumer product? Manufacturing & Consumer Product Design square	1	1716	June 14, 2024
If two vehicles are identical, why does the one with higher power have wider tires? Mechanical Engineering apple	1	1630	February 14, 2025
Glued/Non-glued cantilever beam Cantilever Beams	1	1568	September 9, 2024
What are important criteria for selecting microcontrollers? Electrical Engineering general	1	1553	May 24, 2022
Additive Manufacturing Techniques Consumer Hardware Guide	1	1550	November 14, 2023
When does a motor or solenoid maximize and minimize power? Electrical Engineering power-electronics	1	1529	May 18, 2024
What techniques are used to mitigate rotational vibration on a hard disk? Mechanical Design facebook	0	2133	August 8, 2020
What's the difference between a ramjet and scramjet? Aerospace Engineering	0	2021	February 9, 2024
Privacy Policy Site Feedback	0	1949	July 26, 2020
Subtractive Manufacturing Techniques Consumer Hardware Guide	1	1375	November 17, 2023
What are ways to regulate current & voltage, and why is this needed in certain circuits? Electrical Engineering	1	1337	May 23, 2024
What are pull-up & pull-down resistors & important criteria for specification? Electrical Engineering passive-components	1	1328	May 18, 2024
What is the value of the output voltage in a passive low pass RC filter? Electrical Engineering flexiv , rc-circuits	1	1324	April 20, 2024
How would you design a heat shield for a spacecraft re-entering Earth's atmosphere? Aerospace Engineering	0	1852	January 3, 2024
A steel cantilevered I-beam is welded to a wall has some load applied at the end. Where would it fail? Cantilever Beams stoke	0	1850	August 30, 2024
If you only use you hot tub during the weekend, is it more efficient to leave it on all the time or turn it on only for the weekend? Heat Transfer synapse , heat-transfer	0	1831	October 3, 2020
How would you measure air pressure of an airplane? General ME Questions synapse	0	1821	October 3, 2020
What are the following GD&T symbols, and what tolerance & surface does it control? Manufacturing & Consumer Product Design flexiv	0	1760	August 2, 2023
Explain the types of tests you would conduct on an Oculus Rift Mechanical Design facebook , square	0	1749	September 2, 2020
Describe the failure theories for brittle and ductile materials Materials Science	0	1711	August 10, 2021
Merge two sorted linked lists Electrical Engineering apple , software , firmware , nvidia , qualcomm	1	1179	July 11, 2023
What is the takeoff distance for a given aircraft? Aerospace Engineering	0	1652	January 21, 2024
Parallel-in, Serial-out Shift Register Electrical Engineering digital-design , nvidia , qualcomm , broadcom	1	1161	July 11, 2023
Merge overlapping intervals Electrical Engineering apple , software , firmware	1	1150	July 11, 2023
For a screwed connection, what condition will the bolt experience no shear load? Manufacturing & Consumer Product Design carbon	0	1583	August 2, 2023
Truss Loading: Force Calculation & Displacement Mechanical Design zipline	0	1578	December 11, 2023