All Questions
Tagged with touch transistors
3 questions
1
vote
1
answer
186
views
How to identify this IC FG97
I'm trying to identify an IC labeled FG97 1847 17145. It is a 16-pin SMD.
-1
votes
1
answer
521
views
Touch IC TTP223 hangs at 5V after working
I used a TTP223 IC operating on 5 V. I use the touch IC output (when high) to turn on the LED and (when low) to dim the LED. The LED is operated by the external 5 V. It uses only the touch IC output ...
0
votes
1
answer
107
views
RaspberryPi touch sensor using transistor
I built the following circuit. When I touch the rogue transistor base wire and GPIO is outputting, the LED lights up (still not quite sure why, so if someone could explain this, that'd be helpful, too....