Great Video, I wanted to know can you programme a touch switch to move a stepmotor 90 *(degres) and then stop when you touch the switch the first Time and when you touch it again it goes back to 0 where it was (like a door first Time you touch it it close second time you close it it open. I have been trying to do that for weeks. I am working on a very small mass that go on and off your face with a double tap on a touch switch. So i need a very small close open circuit. I would be really grateful if you could help me with programming and circuits. I already have the mechanical part who Works Well.
Very helpful video, but note that the capacitor on the top left (1:04) isn't the 50pf sensitivity adjustment capacitor - it is just a power supply filtering cap as it goes between GND and VCC. You can see there is a silk screen outline for another capacitor on the module top right. This is the place for the sensitivity adjustment capacitor (Cs). The data sheet notes that sensitivity is maximized when the Cs capacitor is not populated.
Correct me if I am wrong: standard TTP223 has no capacitor in the top RIGHT corner (at least I don't see one), does it mean that the sensitivity is set to maximum? According to what I read somewhere else the sensitivity can be reduced by soldering in that top right corner the appropriate capacitor (Value between 0 and 50pF ; 0 = max sensitivity).
It typically requires a touch, and not just proximity to activate. I don't think that you should use it as a proximity switch. I hope this was helpful. Thanks for watching!
Hi Paul. Your video came up in my feed just bcz I guess.I would like to say that this is one of the best reviews I have seen in quite some time. It also just happens to be about a topic I am very interested in. Great video. Keep up the good work.
Thanks for the video great help. I do have a question if you can help. I'm trying to control a 12V actuator with the sensor. I'm stepping voltage down to 5V to the sensor. Then from the sensor to a step up convertor back to 12V. The step up convertor can't go above 6V. Do I need to add anything to the I/O of the sensor so that the step up convertor can reach the target 12V? Thank you
emarg002 thanks for the question. Sounds like you need a boost converter that can go back up to 12v. Here is a link that maybe helpful. www.ebay.com/itm/DC-3-24V-to-5V-28V-9V-12V-24V-2A-Adjustable-Boost-Step-Up-Converter-Power-Module/112619032791?hash=item1a389e10d7:g:NE8AAOSwvDpbBoGe I hope this was helpful. Thanks for watching.
@@ehobbyguy8980 , Thank you for the reply. I'm going to go ahead and purchase this one but I'm using the step down and step up converters in the link; Step Down Conv.: www.amazon.com/gp/product/B01F9ZQ2YS/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 Step Up Boost Conv.: www.amazon.com/gp/product/B07DH4KRKF/ref=ppx_yo_dt_b_asin_title_o09_s01?ie=UTF8&psc=1 Once again thank you
To add to my previous question, i’ll be using a 12v bistable capacitive touch switch. Can this be possible that both the mosfet and resistor rating are the same?
Could this type of switch be wired to a 3.5mm plug as a momentary switch? No power needed? These type of 3.5mm momentary switches are often used in accessible technology (power wheelchairs, accessible switch adapted toys, etc.)
No, you cannot return the switch to its default state from an arduino. To get the switch out of its default state you have to solder a bridge onto the board. An arduino cannot undo this. Thanks for your question, and thanks for watching!!
@@UControl4 Great thanks for quick reply ! May be their can be some way where we can bridge the link for a while then we can drop that bridge I am not sure may be some register etc can do that ?
@@ankur089 if you solder a FET across the terminals, then switched it with the Arduino, that would probably work. Likewise, if you measure the effect of the bridge, which is likely simply to pull something high on the chip, you could just use the Arduino to feed it directly, and forget the bridge.
Why do you refer to no led light as low and not off? First time to your channel by the way and I like how you explain, plan on checking out your other videos...thanks
Andrew B thank you for watching. In digital logic circuits, the presence of 5V is referred to as High, and 0V is Low. Most of the time there are no LEDs to indicate this. So it is just habit. What I really should say is “it went high indicated by this LED turning on”. I appreciate the feedback. Thanks
you should have mentioned the other pads, which can be populated with capacitors to modify sensitivity... all the other video is very clear and useful, thanks :)
Hi, I'm using this ttp223 for replacement of the pulse of sonoff r2, I need add to the sonoff one led to on when is on and off when is off, can you help me? Thanks
I really need the wiring diagram of this circuit, plus with step down transformer to power 5V DC for touch switch. I tried to wire this circuit myself today and I think I wire the mosfet wrong the relay don't even click.
I released another video going over this circuit in detail. Here is the link of the video which has the schematic! Thank you for your comment and thanks for watching.
Hi, Thank you for this instructional video. I've tried to play with this sensors and there is something you didn't show/experiment: Normal behavior: When the sensor is touched it goes HIGH and when you stop touching, the sensor goes LOW. (Yes, that's right and you show it). What is missing is: When you touch the sensor (goes HIGH) and KEEP your finger on it, the sensor goes LOW after 6 to 7 seconds. My experiment was made with NO BRIDGE in "A" and NO BRIDGE in "B" Is this the real behavior? Or my sensors are a "fake"? Thank You.
I have a model of a robot. I want to play 'hello' when somebody touches its hand ( placing a touch sensor in its hand). How can i do that? I am new to this topic. Could u help pls..
Ton of different ways to do this. My advice is jump on Reddit and start a thread on /r/ask_electronics. Or a Facebook hacker space group might be more friendly
Great Video, I wanted to know can you programme a touch switch to move a stepmotor 90 *(degres) and then stop when you touch the switch the first Time and when you touch it again it goes back to 0 where it was (like a door first Time you touch it it close second time you close it it open. I have been trying to do that for weeks. I am working on a very small mass that go on and off your face with a double tap on a touch switch. So i need a very small close open circuit. I would be really grateful if you could help me with programming and circuits. I already have the mechanical part who Works Well.
Very helpful video, but note that the capacitor on the top left (1:04) isn't the 50pf sensitivity adjustment capacitor - it is just a power supply filtering cap as it goes between GND and VCC. You can see there is a silk screen outline for another capacitor on the module top right. This is the place for the sensitivity adjustment capacitor (Cs). The data sheet notes that sensitivity is maximized when the Cs capacitor is not populated.
Adam Fraser-Kruck thank you for your input it was very insightful and thanks for watching!!
Correct me if I am wrong: standard TTP223 has no capacitor in the top RIGHT corner (at least I don't see one), does it mean that the sensitivity is set to maximum? According to what I read somewhere else the sensitivity can be reduced by soldering in that top right corner the appropriate capacitor (Value between 0 and 50pF ; 0 = max sensitivity).
Am I wrong ?
Can we use this for proximity switch?
It typically requires a touch, and not just proximity to activate. I don't think that you should use it as a proximity switch. I hope this was helpful. Thanks for watching!
Hi Paul. Your video came up in my feed just bcz I guess.I would like to say that this is one of the best reviews I have seen in quite some time. It also just happens to be about a topic I am very interested in. Great video. Keep up the good work.
Bill Field thank you very much. I appreciate it. Thanks for watching!
Hi EHobby. Excellent video. Does the capacitive switch work under 2mm plastic (acrilic) layer?
Was thinking that as well ... what were u thinking of using it for?
Great video! I want to power a DC: 3,5-9V mini water pump with a 3,6V Battery. What MOSFET do I need to use to make the TTP223 work? Thanks!
Thanks for the video great help. I do have a question if you can help. I'm trying to control a 12V actuator with the sensor. I'm stepping voltage down to 5V to the sensor. Then from the sensor to a step up convertor back to 12V. The step up convertor can't go above 6V. Do I need to add anything to the I/O of the sensor so that the step up convertor can reach the target 12V? Thank you
emarg002 thanks for the question. Sounds like you need a boost converter that can go back up to 12v. Here is a link that maybe helpful.
www.ebay.com/itm/DC-3-24V-to-5V-28V-9V-12V-24V-2A-Adjustable-Boost-Step-Up-Converter-Power-Module/112619032791?hash=item1a389e10d7:g:NE8AAOSwvDpbBoGe
I hope this was helpful. Thanks for watching.
@@ehobbyguy8980 , Thank you for the reply. I'm going to go ahead and purchase this one but I'm using the step down and step up converters in the link;
Step Down Conv.:
www.amazon.com/gp/product/B01F9ZQ2YS/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
Step Up Boost Conv.:
www.amazon.com/gp/product/B07DH4KRKF/ref=ppx_yo_dt_b_asin_title_o09_s01?ie=UTF8&psc=1
Once again thank you
To add to my previous question, i’ll be using a 12v bistable capacitive touch switch. Can this be possible that both the mosfet and resistor rating are the same?
Can you use 12v to power this?
Can it be used in place of a regular push button where it doesn't pass voltage through the gpio?
Hey boss how would I go about powering a wireless clipper with the touch switch?
The hair clipper is a 3.7v working off of a 2200 mAh rechargeable battery, would I still need a relay to power it on and off ?
Hi.
Thanks for the great video.
Can you explain why you needed both fet and a relay ?
Or maybe just explain the way you connected them ?
hi is it durrable if I use for table lamp, table lamp will run for a long time
Oh.. and do you have a link to the component?
Yes, just search Ebay for this ...
“10PCS TTP223 Capacitive Touch Switch Button Self-Lock Module Sensor for Arduino”
how can i use it as switch alternative for sonoff
No word on how to secure the button in the project? Can one use hot glue to secure it, can it be below surface, how thick, etc.
Could this type of switch be wired to a 3.5mm plug as a momentary switch? No power needed? These type of 3.5mm momentary switches are often used in accessible technology (power wheelchairs, accessible switch adapted toys, etc.)
It needs the 5V. There are more than one type of 3.5mm jack. A simple stereo jack has 3 conductors that can be used but you need to integrate the 5V
Hi, how can I get the led indicator in the ttp223 always on, thx from Argentina
Can we set default state from Arduino ?
No, you cannot return the switch to its default state from an arduino. To get the switch out of its default state you have to solder a bridge onto the board. An arduino cannot undo this. Thanks for your question, and thanks for watching!!
@@UControl4 Great thanks for quick reply ! May be their can be some way where we can bridge the link for a while then we can drop that bridge I am not sure may be some register etc can do that ?
@@ankur089 if you solder a FET across the terminals, then switched it with the Arduino, that would probably work.
Likewise, if you measure the effect of the bridge, which is likely simply to pull something high on the chip, you could just use the Arduino to feed it directly, and forget the bridge.
Why do you refer to no led light as low and not off? First time to your channel by the way and I like how you explain, plan on checking out your other videos...thanks
Andrew B thank you for watching. In digital logic circuits, the presence of 5V is referred to as High, and 0V is Low. Most of the time there are no LEDs to indicate this. So it is just habit. What I really should say is “it went high indicated by this LED turning on”. I appreciate the feedback. Thanks
EHobby Guy it threw me off I thought I was missing something...I am learning this stuff with help from people such as your self so thanks very much...
Hi Hobby
Great video I am beginner in electrinics can you post the diagram to connect the fan please ??
Bader gheorghe Bader I just posted a video with the schematic. I hope you like it
ruclips.net/video/hY-7YC9_jes/видео.html
Can you give me circuit diagram and parts lists used to control AC fan?
Satish Patel thank you for your question. I️ will check it out and get back to you. Thanks for watching
I just posted a video explaining the circuit with the schematic. I hope you like it!!
ruclips.net/video/hY-7YC9_jes/видео.html
you should have mentioned the other pads, which can be populated with capacitors to modify sensitivity... all the other video is very clear and useful, thanks :)
squalazzo thanks for the feedback!
can you post the diagram to connect the fan please??
zuz i just posted a video explaining the circuit and provide a link to the schematic. I hope you like it!!
ruclips.net/video/hY-7YC9_jes/видео.html
Hi, I'm using this ttp223 for replacement of the pulse of sonoff r2, I need add to the sonoff one led to on when is on and off when is off, can you help me? Thanks
Thanks - really useful and straightforward explanation.
I really need the wiring diagram of this circuit, plus with step down transformer to power 5V DC for touch switch. I tried to wire this circuit myself today and I think I wire the mosfet wrong the relay don't even click.
I released another video going over this circuit in detail. Here is the link of the video which has the schematic! Thank you for your comment and thanks for watching.
Awesome Demo! THANK YOU !!!
Thanks for watching!!
Where do I purchase this?
Thank you for your comment. I purchased them on Ebay. Just search for Capactive Touch Switch. Thanks for watching!!
Can I use with coin battery? @@UControl4
Hi,
Thank you for this instructional video.
I've tried to play with this sensors and there is something you didn't show/experiment:
Normal behavior: When the sensor is touched it goes HIGH and when you stop touching, the sensor goes LOW. (Yes, that's right and you show it).
What is missing is: When you touch the sensor (goes HIGH) and KEEP your finger on it, the sensor goes LOW after 6 to 7 seconds.
My experiment was made with NO BRIDGE in "A" and NO BRIDGE in "B"
Is this the real behavior? Or my sensors are a "fake"?
Thank You.
I have not tried that. The next time I am playing around with one, I will try it out and see what happens! Thanks for watching!
I have a model of a robot. I want to play 'hello' when somebody touches its hand ( placing a touch sensor in its hand). How can i do that? I am new to this topic. Could u help pls..
Ton of different ways to do this. My advice is jump on Reddit and start a thread on /r/ask_electronics. Or a Facebook hacker space group might be more friendly
Subscribed... Great video would be good to see how different capacitors affect it and how thick a material it could reliable work through.
great video, I learned a few things
Mick King thanks for watching!!
Thank you
nice vid.thumbs up
Ashar Sumari thanks for watching!!
THANK YOU VERY MUCH!
nice touch keypad
Thanks a lot, I really wanted to know how to use that switch in different modes
I'm thinking about pubg triggers
I don't know English