User Dojo

5 answers

29 votes

6k views

6 bookmarks

Why do some EMI/RF shields have holes on the top and some don't?

Sep 21 '17 at 5:19

2 answers

23 votes

5k views

Why do radiation hardened IC packages often have long leads?

integrated-circuit packages radiation

Jun 8 '19 at 8:58

2 answers

4 votes

731 views

1 bookmarks

Is this datasheet wrong?

transistors bjt datasheet symbol

Oct 29 '17 at 9:15

1 answers

4 votes

7k views

How do I calculate the capacitor value (Farad & Voltage) given the pulse current, pulse duration & maximum tolerable voltage drop?

power-supply capacitor analog design capacitance

Mar 24 '14 at 14:03

1 answers

4 votes

5k views

1 bookmarks

What do chips like ELM327 and STN1110 do?

microcontroller automotive can obd

Feb 18 '14 at 17:52

2 answers

2 votes

606 views

How is this kind of soldering done?

pcb pcb-design soldering assembly pcb-assembly

Nov 5 '17 at 8:13

4 answers

2 votes

1k views

GPS Antenna Selector: How to electronically select one antenna from multiple available antennas?

rf switches wireless antenna multiplier

Aug 6 '14 at 11:34

0 answers

1 votes

393 views

Isolation for USB 2.0 High Speed (480 Mbps)

usb isolation

Oct 7 '18 at 9:54

3 answers

1 votes

86 views

Measuring ripple voltage using on-board components. Is it possible?

power-supply analog noise load-cell precision

Oct 15 '17 at 6:16

1 answers

1 votes

464 views

Connecting AVR running at 3.3V to a 2.8V I2C bus

avr atmega i2c atmel atmega328p

Aug 8 '16 at 18:17

1 answers

1 votes

133 views

How would you jerry-rig an android phone for continuous autonomous operation?

microcontroller automotive gps gsm android

Jul 8 '15 at 10:48

2 answers

0 votes

1k views

Negative Voltage Reference for Bipolar ADC

analog adc measurement voltage-reference negative-voltage

Aug 15 '18 at 11:10

1 answers

0 votes

71 views

Does ST have a separate Cortex M4F series or are its M4 parts essentially M4Fs?

microcontroller stm32 arm cortex-m

Feb 8 '18 at 14:57

0 answers

0 votes

177 views

Low cost low speed fiber optic connection for embedded applications

microcontroller communication optoelectronics optical-fibre

Feb 2 '18 at 15:38

4 answers

0 votes

154 views

Linux on board without 3rd party modules. Where to start?

microprocessor linux operating-system sbc

Jan 25 '18 at 11:54

0 answers

0 votes

385 views

Resettable fuse failure

short-circuit fuses circuit-protection polyfuse

Oct 14 '16 at 11:28

1 answers

0 votes

3k views

Battery Protection IC: How to ensure that even under-voltage batteries are allowed to be charged?

power-supply batteries battery-charging low-power lipo

Mar 28 '16 at 15:46

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17 Questions