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RenegadeAndy
  • Member for 7 years, 6 months
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4 votes
1 answer
167 views

Is this transistor switch circuit designed correctly?

3 votes
1 answer
517 views

Will a discharge resistor help here?

3 votes
1 answer
226 views

Is my pin understanding correct on the 2N3904?

2 votes
4 answers
5k views

Relay - should low or high be used for 'On' best practice

2 votes
4 answers
2k views

Is it safe to use 1/8 watt resistors in this circuit? [closed]

1 vote
1 answer
688 views

What audible difference will an audio op amp make in an audio ADC

1 vote
0 answers
298 views

Audio op amps - what do they do to the audio I hear from the speaker?

1 vote
1 answer
586 views

Microcontroller like the esp8266 with more gpio [closed]

1 vote
1 answer
317 views

Voltage Comparator resulting in low when I would expect high output

1 vote
1 answer
338 views

Is this chip 0.5mm pin pitch?

1 vote
2 answers
458 views

Is my understanding of this level shifter correct?

1 vote
1 answer
327 views

Is my understanding of this level shifter correct

1 vote
1 answer
259 views

Pullup resistor operation between the ESP32 and a Bus MCU

1 vote
2 answers
501 views

Guidance on the use of pins of LM1117

0 votes
2 answers
76 views

LED Circuit - Resistor calculation

0 votes
2 answers
321 views

What is the current draw during load on the LM1117 3.3v

0 votes
3 answers
948 views

Driving RGB Leds from ESP8266

0 votes
0 answers
163 views

Can a single CT Clamp go to 2 energy meters?

0 votes
1 answer
193 views

What would the maximum current draw for this chip be?

0 votes
2 answers
225 views

Is this a suitable Voltage Regulator to replace an old circuit on my board and is my logic correct?

0 votes
3 answers
108 views

How should I drive a chip where I need to pull pins low in order to enable

0 votes
2 answers
1k views

Small 'blistering' under surface-mount soldering attempt - is this a problem?

0 votes
2 answers
2k views

What is a good circuit design to drive this relay safely from an ESP32?

0 votes
2 answers
411 views

How best to interface with this bus switch from an ESP32

0 votes
3 answers
3k views

Is there a point in adding a 1 Ohm resistor to this LED circuit?

0 votes
1 answer
504 views

Should SMB capacitors read their values after soldering onto a board?

0 votes
1 answer
467 views

What does Pin type I mean on the ESP32 datasheet

0 votes
3 answers
477 views

Why is the current in this circuit 100mA?

0 votes
2 answers
5k views

What does 1/8 watt power rating for resistors actually mean

0 votes
2 answers
679 views

How can I implement a SCART switch connector