Search found 3 matches
- Sun Aug 13, 2023 12:22 pm
- Forum: Test instruments
- Topic: TTL logic probe
- Replies: 1
- Views: 1955
TTL logic probe
can I use a TTL logic probe also for logic circuits with 3.3V power supply?
- Wed Jul 12, 2023 9:44 pm
- Forum: Arduino
- Topic: 14-segment display for Arduino
- Replies: 5
- Views: 2824
Re: 14-segment display for Arduino
I need to connect a total of 9 digits, each with 14 segments. That would be 9 double expanders. I also looked something up about Charlieplexing, but didn't get it at all. I don't know how to connect it at all. So what if I connect 7 segments to port D and 7 segments to port B and put a 4-bit demulti...
- Sun Jul 02, 2023 6:00 am
- Forum: Arduino
- Topic: 14-segment display for Arduino
- Replies: 5
- Views: 2824
14-segment display for Arduino
I want to connect a 14-segment LED display to Arduino. Don't know how to do it?