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Scholarly articles on original research, new ideas, tips and tricks for common problems, and the like. See Papers Category for details.

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66%

+2 −0

Troubleshooting a microcontroller that has stopped responding

posted 4mo ago by Lundin‭ · edited 4mo ago by Lundin‭

microcontroller debugging JTAG

77%

+5 −0

Phone fix adventure case study

posted 9mo ago by Olin Lathrop‭

case-study

71%

+3 −0

How to introduce or port my microcontroller project to MISRA C?

posted 10mo ago by Lundin‭ · edited 10mo ago by Lundin‭

C firmware MISRA

88%

+13 −0

Why should I not use dynamic memory allocation in embedded systems?

posted 2y ago by Lundin‭ · edited 12mo ago by Lundin‭

microcontroller memory-allocation

44%

+2 −3

How does a transistor maintain a constant current?

posted 3y ago by Circuit fantasist‭ · edited 1y ago by Lorenzo Donati‭

transistor current-source dynamic-resistance

60%

+1 −0

Why does the collector current depend linearly on the base current?

posted 3y ago by Circuit fantasist‭ · edited 1y ago by Lorenzo Donati‭

transistor current-mirror log-converter antilog-converter

50%

+1 −1

How does a diode maintain a constant voltage?

posted 3y ago by Circuit fantasist‭ · edited 1y ago by Lorenzo Donati‭

voltage-regulator semiconductor-diode

84%

+9 −0

The capacitance multiplier revisited

posted 4y ago by Michaël Bensimhoun‭ · edited 1y ago by Lorenzo Donati‭

capacitance ripple circuit-analysis circuit-design active-filter

66%

+2 −0

What are voltages inside resistors?

posted 3y ago by Circuit fantasist‭ · edited 1y ago by Lorenzo Donati‭

electromagnetism visualization circuit-analysis Ohm-law

71%

+3 −0

Battery backup voltage regulator (an invention story)

posted 4y ago by Circuit fantasist‭ · edited 1y ago by Lorenzo Donati‭

battery BJT voltage-regulator circuit-design

50%

+2 −2

How to create current sources

posted 4y ago by Circuit fantasist‭ · edited 1y ago by Lorenzo Donati‭

transistor current-source opamp circuit-analysis

60%

+1 −0

What are voltages in circuits?

posted 3y ago by Circuit fantasist‭ · edited 1y ago by Lorenzo Donati‭

visualization circuit-analysis

60%

+1 −0

Where do currents flow in circuits?

posted 3y ago by Circuit fantasist‭ · edited 1y ago by Lorenzo Donati‭

visualization electrical-quantities circuit-analysis

71%

+3 −0

3-LED voltage indicator (an inventor's story)

posted 4y ago by Circuit fantasist‭ · edited 1y ago by Lorenzo Donati‭

LED LED-driver voltage-divider

75%

+4 −0

What is the idea behind the op-amp instrumentation amplifier?

posted 3y ago by Circuit fantasist‭ · edited 2y ago by Circuit fantasist‭

instrumentation-amplifier inverting-amplifier non-inverting-amplifier common-mode differential-mode

50%

+0 −0

What is the idea behind the transistor differential amplifier?

posted 2y ago by Circuit fantasist‭ · edited 2y ago by Circuit fantasist‭

differential-amplifier transistor differential-pair common-mode differential-mode

77%

+5 −0

PWM Triangle Wave from two clocks

posted 4y ago by Pete W‭ · edited 4y ago by Pete W‭

microcontroller PWM waveform-generation triangle-wave

66%

+2 −0

Charge amplifier (a qualitative view)

posted 4y ago by Circuit fantasist‭ · edited 4y ago by Circuit fantasist‭

capacitor amplifier

81%

+7 −0

High/low indication of power supply with linear post-regulator

posted 4y ago by Olin Lathrop‭

Threshold-detect Pulse-on-demand