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Digital Capacitive Touch Sensor Module Touch Induction Jogging Self Locking Switch High Low Level Output for Smart Home

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1.PCB Size: 30.5*18.5*1.6mm; total size: 35*18.5*7mm
2.Gold-plated contact, and it can effectively avoid interference and corrosion
3.Moderate sensitivity, and it can avoid false trigger and invalid trigger; when the finger touches the contact, the trigger is valid; the sensitivity can be adjusted by yourself
4.Operating Voltage: DC 2.5-5.5V; DC 3V no load, typical value 1.5uA; max 3uA
5.Built-in gold-plated dial switch
6.Onboard <4mm screw hole for fixing
7.SMT design
8.The module can sense human touch then trigger the chip, output the level has been set and output mode
9.Wide Applications: for smart home, industrial control, new toys, security system, portable devices
Module Details:
Product Settings:
Note: please power off then adjust the switch, or it will occur malfunction
1.Set output level and output mode, there are 4 methods; you can adjust it via the red dial switch  (inching and self-lock mode, the two modes can adjust output high level or low level valid. So there are 4 adjusting methods)
Note: 0=ON
1/A 2/B OUT Output Status
O - Usually high,when the touch is invalid,it is low(press all the time)
- - Usually low,when the touch is invalid,it is high(press all the time)
- O When power oon status is high,once touched,the level will rotate negatively for once
O O When power oon status is low,once touched,the level will rotate negatively for once
2.Set Induction Sensitivity:
  1)It can be set via changing 102 resistor and the capacitor on the middle of touch chip 
  2)The capacitor 0-50pF; the lower of the capacitance is, the high sensitivity will be. But it does not represent that the higher of the sensitivity is, the better. For example, when the sensitivity is 10pF, if the finger is several millimeters away from the induction surface, it will trigger, equivalent to telekinesis trigger 
  3)If the sensitivity has been improved, you can put glass, acrylic, plastic, wooden board to induct 
  4)Note: the opposite side of the induction pad is can be sensed and touched 
3.After install a shell for the module, how to lead out the touch board 
  The shell should be plastic, tin the induction pad on the module; then solder a spring and solder a sheetmetal on the other side of the spring as induction plate 
1.Please do not use the whole sheetmetal as the induction plate 
2.Please do not use common wire to connect induction pad and induction plate 
Interface Definition:
1.+ connects DC power 2.5-5.5V positive 
2.- connects power negative/ground 
3.Out is output interface 
4.Note: please do not reversely connect the power, or it will burn the chip 
Application Fields:
1.If you use touch sensor module + relay module, it can function like a touch switch to control large load, such as household appliances, lamps, doorbells (please note that the output current of the module is low, you need to add a triode on the relay for amplification, or it won't start the relay);
2.If you use touch induction module + trigger delay module + relay module, it can function like a touch type delay switch to control aisle lamps;
3.If you use touch induction module + MCU, then it can detect the level via MCU and achieve the function you like.
Different Mode:
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Digital Capacitive Touch Sensor Module Touch Induction Jogging Self Locking Switch High Low Level Output for Smart Home