Hardware FYI

Topic	Replies	Views	Activity
What is a PID Controller? Electrical Engineering	1	1850	September 7, 2020
Landing Interviews at Top Tech Companies (Apple, Tesla, SpaceX, etc.) Consumer Hardware Guide	1	1848	November 18, 2023
Draw an I-V curve for a diode. How you interpret the graph in terms of the diode's behavior? Electrical Engineering diodes	1	1844	April 20, 2024
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	1789	October 3, 2020
What is the difference between analog vs. digital signals? Is there a preference of when to choose each signal type? Electrical Engineering apple	1	1771	February 16, 2022
iPhone Home Button: How would you design the mechanism of the home button? Mechanical Design apple	0	2499	April 17, 2022
How do you choose the number of layers in a PCB? Electrical Engineering board-level	1	1768	July 11, 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	1750	April 26, 2023
Basics of Metal Casting Consumer Hardware Guide metals	1	1736	September 6, 2020
What are the layers of a PCB, and what are they made of? Electrical Engineering board-level	1	1721	July 11, 2023
Defining Your Sample Size Consumer Hardware Guide	1	1666	December 4, 2023
Grades of Steel/Aluminum Consumer Hardware Guide	1	1662	August 3, 2021
How do basic analog components like diodes and capacitors work? Electrical Engineering amazon	1	1594	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	1569	May 6, 2021
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	1274	September 23, 2025
Rank the section options below with regards to their stiffness in: 1) tension, 2) compression, 3) bending, and 4) torsion Cantilever Beams	1	872	September 14, 2025
Can you describe a voltage divider and how it works? Electrical Engineering	1	1529	March 7, 2022
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	1527	July 31, 2021
Statistics for Manufacturing Consumer Hardware Guide	1	1492	November 20, 2023
Advice for Design Challenges and Teardowns? Community	2	1200	March 25, 2022
Welcome to Hardware FYI Community	1	1433	January 31, 2023
How would you characterize the pressure drop across the length of a heatsink Heat Transfer apple , thermal-engineer	1	1410	September 14, 2025
What are considerations for designing an injection molded part, like on the back-paneling of a consumer product? Manufacturing & Consumer Product Design square	1	1369	June 14, 2024
What techniques are used to mitigate rotational vibration on a hard disk? Mechanical Design facebook	0	1927	August 8, 2020
FIR vs IIR filter Electrical Engineering tesla , qualcomm , astranis , hewlett-packard , signal-processing	1	1349	July 11, 2023
Startup Interview Question: Ensuring Part Flatness Mechanical Engineering general	2	1073	February 14, 2025
What are important criteria for selecting microcontrollers? Electrical Engineering general	1	1300	May 24, 2022
Glued/Non-glued cantilever beam Cantilever Beams	1	1289	September 9, 2024
Additive Manufacturing Techniques Consumer Hardware Guide	1	1258	November 14, 2023
Privacy Policy Site Feedback	0	1629	July 26, 2020
When does a motor or solenoid maximize and minimize power? Electrical Engineering power-electronics	1	1147	May 18, 2024
Subtractive Manufacturing Techniques Consumer Hardware Guide	1	1132	November 17, 2023
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	1576	October 3, 2020
How would you measure air pressure of an airplane? General ME Questions synapse	0	1562	October 3, 2020
What are ways to regulate current & voltage, and why is this needed in certain circuits? Electrical Engineering	1	1093	May 23, 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	1518	August 30, 2024
Explain the types of tests you would conduct on an Oculus Rift Mechanical Design facebook , square	0	1514	September 2, 2020
What are the following GD&T symbols, and what tolerance & surface does it control? Manufacturing & Consumer Product Design flexiv	0	1511	August 2, 2023
Describe the failure theories for brittle and ductile materials Materials Science	0	1502	August 10, 2021
If two vehicles are identical, why does the one with higher power have wider tires? Mechanical Engineering apple	1	1041	February 14, 2025
What are pull-up & pull-down resistors & important criteria for specification? Electrical Engineering passive-components	1	1027	May 18, 2024
What's the difference between a ramjet and scramjet? Aerospace Engineering	0	1430	February 9, 2024
What is the value of the output voltage in a passive low pass RC filter? Electrical Engineering flexiv , rc-circuits	1	1005	April 20, 2024
Merge two sorted linked lists Electrical Engineering apple , software , firmware , nvidia , qualcomm	1	966	July 11, 2023
Draw a commuter bike-label every single part on it. Explain what it’s job is and why it is designed that way Mechanical Design general , spinlaunch	0	1355	August 6, 2020
Tips for all Engineers Consumer Hardware Guide	0	1354	August 13, 2020
How would you design an automated sticker peeler? Mechanical Design	0	1334	August 10, 2021
Parallel-in, Serial-out Shift Register Electrical Engineering digital-design , nvidia , qualcomm , broadcom	1	930	July 11, 2023
Merge overlapping intervals Electrical Engineering apple , software , firmware	1	924	July 11, 2023
For a screwed connection, what condition will the bolt experience no shear load? Manufacturing & Consumer Product Design carbon	0	1304	August 2, 2023