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DribbleNibble
  • Member for 1 year, 7 months
  • Last seen more than a month ago
7 votes
4 answers
2k views

How can I clip a voltage upper limit in an analog signal?

5 votes
3 answers
2k views

My IRL540N is smoking

3 votes
3 answers
1k views

How to choose voltage value of capacitors

3 votes
1 answer
159 views

How to replace TCRT5000 IR sensor with TCRT1000 IR sensor

3 votes
3 answers
797 views

Can an MCP6004 amplifier be replaced with a LM324?

2 votes
3 answers
352 views

Quad op amp problems

2 votes
2 answers
71 views

Can't find jack type for YFS201 sensor

2 votes
2 answers
351 views

What is the difference between regular electro-mechanical relay and an electro-mechanical relay with optocoupler? [closed]

2 votes
1 answer
843 views

What is the voltage output from STM32 BluePill Digital I/O pins?

2 votes
3 answers
1k views

Is P90NF03L 3.3V logic level MOSFET?

1 vote
1 answer
2k views

Can ESP32 node MCU read 5V input?

1 vote
3 answers
371 views

PCB track width considerations based on starting current draw

1 vote
1 answer
54 views

Choice of quick-connect connectors

1 vote
1 answer
92 views

In what cases is the use of low-drift amplifiers a must?

1 vote
2 answers
116 views

Pulse sensor issues and How to get -5V from Arduino

0 votes
1 answer
74 views

Does AC wire ampere rating depend on end DC load current pull? [closed]

0 votes
1 answer
118 views

Unexplained dip in LCD screen brightness

0 votes
3 answers
67 views

Any pitfalls in powering the same dc load with the same dc source but with two sets of wires?

0 votes
1 answer
624 views

Current output capacities of Arduino Nano and STM32 Blue Pill

0 votes
0 answers
29 views

Advice needed on choice of Hookup cables

0 votes
1 answer
92 views

Voltage drop reason not understood

0 votes
1 answer
969 views

How to circuit IRL540N logic level MOSFET

0 votes
1 answer
60 views

How to decide choice of ampere rating of power supply? [duplicate]

0 votes
1 answer
97 views

Need help with pulse sensor design modification [closed]

0 votes
0 answers
92 views

Filter for high amplitude noise

0 votes
1 answer
110 views

Need theoretical understanding of basis of IR sensor design

0 votes
1 answer
142 views

What does it take for 220V AC to shock you?

-1 votes
1 answer
107 views

Can IR Sensor TCRT1000 and TCRT5000 operate at 12V? [closed]

-1 votes
2 answers
192 views

Do logic-level MOSFETs achieve galvanic isolation?