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  1. Capacitive touch buttons not seeing touch - All About Circuits

    Oct 13, 2018 · This can be do to a lot of factors: your fingers are dirty/wet/in scars. The capacitance of the object to touch with (fingers) is not high enough. As far as I guess, these …

  2. Best Way to Activate a Touch Switch Without Touching It

    Apr 17, 2024 · Hello there, I'd like to activate a touch switch electronically. It's a capacitive type switch. There can be no wires connected to the capacitive switch, it must come from …

  3. Capacitive discharge welder - All About Circuits

    Aug 2, 2016 · Hello All, I am trying to build a simple capacitive builder. Part of the circuit is shown as below The gate drive gets signal from a microcontroller. The pulse time can be varied …

  4. Capacitive touch trigger as an isolated system - All About Circuits

    Jun 2, 2019 · I need a way to trigger a capacitive touch screen device (like a tablet) using an isolated system without touching it. For example a kid places a small gadget on a tablet screen …

  5. What is the capacitive load? - All About Circuits

    Mar 4, 2024 · What is the capacitive load and how can capacitive load be simulated? I want to monitor the current and voltages in the simulation by powering a capacitive load from the …

  6. Capacitive Speakers - All About Circuits

    Jul 20, 2022 · The capacitive value of the speaker is an important characteristic for the amplifier circuit of the speaker. “Piezoelectric means capacitive load” Most amplifier IC’s are developed …

  7. How to operate a capacitive touch switch using relay contacts.

    Oct 12, 2023 · FTC334F is a professional capacitive touch button processing chip. It adopts the latest high-precision digital capacitance measurement technology and can prevent various …

  8. Impedance Calculation - All About Circuits

    Feb 14, 2024 · They have defined capacitive reactance as 1/ (2πfC) and inductive reactance as 2πfL, both of which are positive quantities (for positive frequencies and component values). …

  9. Resistive vs Capacitive vs Other? - All About Circuits

    Jan 6, 2016 · The capacitive humidity sensors I played with a long time ago used a thin plastic sheet that changes thickness with changes in humidity. The surfaces of the plastic were …

  10. Capacitance to Voltage Converter - All About Circuits

    Sep 19, 2014 · Hi all i am working on a project where i have to convert capacitive sensor output to a voltage signal.i know there are several methods to do it but as per my sensors specification i …