Tag: electrical-engineering

49 Why do cars have mirrors for rear view rather than cameras? 2016-03-16T07:19:14.157

46 Why is kVA not the same as kW? 2015-03-02T17:45:28.383

41 My customer wants to use my products to do something unsafe. What is my ethical obligation? 2015-04-18T15:17:38.743

18 Why doesn't a lightning strike destroy the lightning rod? 2015-02-22T19:21:19.357

17 Would it make sense to have a 12V lighting circuit in a house? 2015-01-27T03:34:07.273

16 How does a traffic light sense the proximity of vehicles? 2015-02-01T07:04:55.137

14 What limits a power plant's load gradient? 2015-05-27T16:11:54.837

13 Why does the microwave plate start in a random direction? 2015-03-31T20:08:01.130

13 What is this small rotating part from a cell phone? 2015-07-21T09:48:56.713

13 Do "analog FPGAs" exist? 2015-07-28T23:14:09.687

12 How to correctly size the blades for a small educational wind turbine? 2015-01-22T20:59:09.643

12 What causes rechargeable batteries to age? What can be done to extend life of these batteries? 2015-01-24T13:13:19.357

12 Does a Faraday cage effectively act as a notch filter? 2015-01-28T22:35:37.500

12 How does a multimeter protect itself from high voltages? 2015-02-09T12:45:47.267

12 Quantifying inertia on the electricity grid 2015-03-30T11:40:24.797

12 Will more electricity be generated by using a lens to focus sunlight onto solar cells? 2015-05-05T05:09:47.133

12 Why are typical UART baud rates not in multiples of 1000? 2015-08-06T04:46:03.270

12 Why is using steam to rotate a turbine more efficient? 2015-11-12T00:17:49.883

12 What causes the sound coming from electrical vehicles? 2015-11-30T16:06:43.817

12 Why are bird flight diverters shaped like a spiral? 2016-04-05T02:12:39.683

11 Are there different solar panels for recapturing energy from household lighting? 2015-01-21T01:23:13.033

11 How different are dc motor designs from dc generator designs? 2015-01-24T21:51:11.753

11 Is interference between aircraft an issue for fly-by-wireless technology? 2015-03-13T21:26:35.323

11 How does a microbolometer (IR camera) work? 2015-04-30T10:44:18.687

11 Defining the heap and stack size for an ARM Cortex-M4 microcontroller? 2015-08-01T13:39:10.427

11 Can a magnetic lock be negated or overcome by a stronger electromagnet? 2015-11-03T23:03:22.640

10 How are the thermodynamics of CPUs and other chips handled? 2015-02-19T04:51:53.157

10 Can I use a ultrasound sensor to measure water level? 2015-05-05T20:20:10.200

10 Avoid snapping an electric cable from too much rotation 2015-06-17T08:36:55.010

10 Saving RAM Memory when writing to 2K page size NAND flash 2015-08-05T18:12:00.707

10 How fast should I sample with a logic analyzer? 2015-08-04T13:38:27.773

10 How to calculate permittivity for higher frequencies? 2015-12-14T14:35:12.887

10 How to calculate Power of motor when used as a generator? 2016-03-24T23:28:42.183

10 What's this mystery symbol on a manufactured machine? 2017-10-17T19:30:38.700

9 Thermoelectric Technology to Harvest Energy from Internal Combustions Engines 2015-01-31T19:04:29.037

9 Observability using the Discrete Extended Kalman Filter (EKF) 2015-04-21T06:48:41.130

9 What is the difference between Bluetooth Low Energy and Bluetooth BR/EDR in Park mode? 2016-11-15T07:18:33.033

8 Bonding Semiconductors to PCB 2015-01-24T01:02:20.867

8 How is the wattage of an incandescent light fixture determined? 2015-01-29T20:44:11.430

8 How do ultrasonic proximity sensors detect motorcycles differently from cars and trucks? 2015-02-17T14:40:48.747

8 Protecting device from microwaves in microwave oven.. but allowing Bluetooth? 2015-03-13T04:00:33.250

8 What is the significance of a diagonal input in a control diagram? 2015-03-17T20:04:10.807

8 Sensors / processing algorithms to emulate a human's sense of smell 2015-04-03T17:39:29.163

8 What are the meanings of the second argument to the convolution? 2015-07-08T18:51:25.153

8 What are left justified and right justified ADC results? 2015-08-04T21:20:15.227

8 Is there an FPGA which could "re-wire" itself on the need? 2015-07-28T22:52:34.127

8 How can I increase my processor's ADC resolution? 2015-07-31T16:08:51.560

8 How do I know if I need a pull up or pull down resistor for a GPIO pin? 2015-07-29T01:57:17.740

8 Will PVC build up an electric charge and cause a spark? 2016-01-19T13:54:09.730

8 Why do electric trains arc at high speeds? 2017-06-06T16:40:31.173

7 CE Marking on low budgets: conforming to EMI / EMC requirements in ELV and mains circuits 2015-01-21T09:16:09.513

7 Harvesting thermoelectric energy from computer graphics cards 2015-01-30T11:47:07.137

7 Switching batteries from series to parallel - technical solution 2015-03-01T18:26:26.137

7 Best way to send a signal in a very low frequency (250Hz)? 2015-03-14T01:30:55.137

7 Does a 3-phase electricity grid need to be synchronised and are the phases split between houses? 2015-05-06T19:44:03.523

7 What does a Sad Face on a circuit board mean? 2015-05-10T07:34:37.737

7 Automatic Shifting without Electronic throttle 2015-07-21T15:41:57.677

7 How fast movement (cycles/s) can I reliably read with PSoC4 quadrature decoder? 2015-07-29T10:38:09.310

7 What needs to be considered when configuring the clock system for a MSP430F5xxx micro-controller? 2015-08-03T23:35:45.480

7 Flash Corruption - Power Supply or X-ray Radiation? 2015-08-14T01:20:24.487

7 How can I estimate blocking window distance in an sCMOS sensor setup? 2015-12-28T23:17:54.183

7 How can I block ultrasound from an automotive transducer at about 8'? 2016-01-04T18:18:02.730

7 Why don't we just build a giant wind turbine? 2016-02-23T01:03:06.067

7 Why do we need to shut down power generators if we are producing more power than the grid requires? 2016-03-28T00:43:53.050

7 How to determine how much energy recovered from regenerative braking 2017-03-18T14:00:22.883

7 Is there any material that blocks a static magnetic field? 2017-05-19T15:31:46.160

6 What engineering advances paved the way for "modern" computers? 2015-01-22T23:16:44.680

6 What is best way to control brightness of a LED? 2015-01-28T01:02:00.617

6 Why do rechargeable Lithium Ion & Lithium Polymer batteries explode or catch fire? 2015-01-30T00:06:32.067

6 How can the vendor be approved/disapproved based on validation test data? 2015-02-01T00:04:12.877

6 Does a transformer use power when output isn't under load? 2015-02-09T12:34:54.493

6 What is Radial and Thickness Mode Vibration in a Piezo Electric Ceramic Disc Transducer? 2015-02-28T00:30:05.980

6 Why do hydroelectric plants use turbines instead of an efficient 'water wheel' configuration 2015-04-01T20:46:05.217

6 Reading stepper motor datasheets to get torque and speed 2015-05-12T19:30:03.300

6 What is the difference between fault tolerance and robustness of a system? 2015-05-13T08:59:46.440

6 Can all electromagnetic spectra be focused like a laser? 2015-05-31T19:05:56.117

6 How can I find the emission power of a WiFi mobile phone antenna? 2015-06-14T23:45:36.407

6 How to identify low quality electronic components early? 2015-06-24T17:03:32.877

6 Is it possible to "boost" a WiFi signal using an aluminum soda can? 2015-06-28T02:57:28.337

6 How to prevent shorts between exposed battery terminals and racing vehicle chassis 2015-06-23T18:04:15.747

6 How to find who occupies pin X in Device Tree? 2015-07-29T12:31:51.557

6 Why are words bit-shifted for an Atmel SAM4S SPI slave? 2015-07-29T14:56:20.197

6 How to apply power flow analysis? 2015-08-21T16:07:18.440

6 If my electronics are outdoors in a ventillated NEMA 4 enclosure, should I conformal coat my circuit boards? 2015-10-08T18:07:14.247

6 Charging a smartphone battery while using it 2015-12-03T17:13:29.183

6 Are there any differences between using nylon or ABS for RF electronic cases? 2015-12-09T14:35:09.580

6 Response of a system to a step function (Heaviside function) 2015-12-23T09:17:42.740

6 Did I wire these solar panels correctly? 2016-01-23T21:36:50.767

6 Under what circumstances would one need or not need an electronic brake for a permanent magnet motor? 2016-03-11T13:50:50.707

6 How to simulate a crack in a PCB? 2016-05-23T15:38:22.747

6 Why is capacitor 2 not grounded on this board? 2016-05-29T12:50:13.717

6 How does LTE eNodeB set the Base Station output power? 2016-06-02T14:23:54.443

5 How can I filter out a signal while extracting only the desired one? 2015-01-21T03:00:07.033

5 When is DC power generation superior over AC power generation? 2015-01-26T03:36:32.143

5 Can the production rate of labs-on-a-chip ever reach the production rate of silicon chips? 2015-02-05T01:42:47.943

5 Motor for a hydraulic pump in a hydraulic system 2015-02-05T17:11:32.893

5 Building a steel footbridge over a railway line and its catenary 2015-02-20T20:46:22.240

5 Is the fill factor of a photo-voltaic cell constant? 2015-03-21T18:02:54.360

5 Hovercraft design parameters 2015-03-28T15:44:22.360