All Questions
9 questions
0
votes
1
answer
80
views
What kind of sensor can detect a touch contact with at least 5 mm resolution on large area?
Looking around and in the help section it seems my question is on-topic here. If I'm wrong, please tell me and I'll delete it.
For a teaching activity I was asked to develop a "plate" of ...
0
votes
2
answers
369
views
I need help building a low-cost contactless water sensor
I tried to build a contactless water sensor with some touch ICs, but all of them use auto calibration features i.e. they can sense the presence of water without contact but after some seconds, they ...
0
votes
2
answers
640
views
Bypass touch sensor IC with a button?
I want to replace a capacitive touch sensor on a circuit board (I think it’s a TTP223) with a tactile switch to overcome over/under sensitivity issues. I have wired a switch to ground and the CMOS ...
0
votes
0
answers
50
views
Touch sensor selection
I am currently researching a touch/force sensor for my project. Purpose of this post is to get your help in sensor selection.
Below is the information about the project so that you can get insight ...
0
votes
1
answer
273
views
What is the best way to sense if a climbing hold is being used by a climber?
I am designing a climbing wall game that gets what holds are being used as inputs. I'm currently planning on using a Kinect sensor to tell where hands are relative to holds and capacitive touch ...
1
vote
0
answers
153
views
Waterproof capacitive touch-sensor issue
my goal is to develop a waterproof capacitive touch-sensor.
In many sources on the internet, it is said that a mutual-capacitance sensor can achieve this.
For example, in the TI Designs: TIDM-1021 ...
1
vote
1
answer
59
views
Question Regarding Capacitive Sensor IC
I have this Capacitive Sensor IC
I am trying to understand and analyze how to use this IC.
In the datasheet, on page 13 - Function description, it is mentioned as "There are four selectable non-...
1
vote
1
answer
865
views
Question about capacitive sensor designs with direct touch to copper or aluminum
I've seen some DIY capacitive touch sensor projects where the sensors themselves are strips of aluminum or copper soldered to a non-grounded wire, where the user touches these strips directly with ...
0
votes
1
answer
100
views
How do I read a simple touch sensor value from Arduino? [closed]
I suppose instead of connecting to the LED it will connect to A3 on the Arduino for example but I'm having a hard time making it work.
I don't know which point on the circuit should be connected to ...