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fhlb
  • Member for 7 years, 4 months
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17 votes
5 answers
8k views

RS485 network ground pin - when to connect?

9 votes
2 answers
994 views

Can someone explain this microcontroller ADC interface (for reading solar panel voltage)?

7 votes
1 answer
11k views

which is better? 5V or 3.3V as the supply voltage

6 votes
2 answers
814 views

Reverse voltage protection for Analog Devices’ family of protection controllers

4 votes
1 answer
409 views

help understanding this reverse polarity protection circuit

4 votes
6 answers
12k views

maximum reverse voltage applied to a resistor-LED configuration

3 votes
1 answer
4k views

Altium Designer "Copy Room" function not working properly

3 votes
1 answer
1k views

Resistor parallel to an LED?

3 votes
1 answer
336 views

microcontroller external clock power option (pic18f)

2 votes
1 answer
765 views

microchip pic18f: What is the difference between a POR/BOR and other resets

2 votes
3 answers
5k views

water proof bulkhead SMA connector

2 votes
2 answers
2k views

laptop battery connector name [closed]

2 votes
5 answers
2k views

Replacing RJ45 connector with another type connector

2 votes
1 answer
574 views

L6203 H bridge (very) high Rds on

1 vote
0 answers
224 views

Help identify old chip

1 vote
3 answers
2k views

8 bit PICs: timer1 asynchronous vs synchronous operation

0 votes
1 answer
4k views

Calculating SMD resistor temperature rise

0 votes
3 answers
4k views

external crystal not working but internal clock worked normaly in PIC18F45K22