harmonica's user avatar
harmonica's user avatar
harmonica's user avatar
harmonica
  • Member for 6 months
  • Last seen this week
15 votes
2 answers
979 views

Unknown SMD Component

5 votes
2 answers
126 views

How to calculate the resistor values of a transistor circuit?

3 votes
1 answer
207 views

Different types of RS485 circuits

3 votes
2 answers
57 views

What is the best location for Top Component Center

2 votes
2 answers
231 views

Can I double the circuit on the same PCBDoc using Altium Designer?

1 vote
1 answer
66 views

How to remove tenting from specific vias?

1 vote
2 answers
157 views

2-layer and 4-layer PCB stackup

1 vote
1 answer
60 views

Is there any difference between antennas applications?

1 vote
0 answers
27 views

Two different PcbDoc in one PrjPcb in Altium Designer

1 vote
1 answer
67 views

What is this connection for in this H-Bridge circuit?

0 votes
2 answers
45 views

Choosing IR emitter and receiver for data transfer

0 votes
0 answers
42 views

Differences between RF transceiver modules

0 votes
2 answers
80 views

Track to track clearance in Altium

0 votes
1 answer
61 views

Latching solenoid supply circuit / control

0 votes
0 answers
58 views

Sending parameter to STM32 using IR

0 votes
2 answers
126 views

Two separate PCBs and common ground for UART communication [closed]

0 votes
1 answer
31 views

M-Bus optocoupler application

-1 votes
2 answers
79 views

How should I use this voltage regulator for best efficiency? [closed]

-1 votes
1 answer
85 views

What is the difference between tantalum and aluminum capacitors? [closed]