Help Wanted Reviewing Capacitive Moisture Sensor

I designed this capacitive moisture sensor, I''m not sure if it will work. I''m posting it here to see if anyone can find anything I should fix before I order the PCB (I''m a student, I

2025 Aug 21

Adjusting the electrical length of antennas

This capacitive reactance can be compensated for by introducing a lumped-inductive reactance, as shown in view A. Similarly, if the antenna is too long for the

2025 Feb 16

Why capacitive reactance reduces inductive reactance (by

Hi I am newbie here! I understand why capacitive reactance reduces inductive reactance mathematically, having a result of zero at resonant frequency. But how to physically

2024 Jan 01

What constitutes a "capacitive" load? | All About Circuits

I am working on a power supply design but I suppose this is a general question that most people will be able to answer. I am in need of purchasing a load switch from a company

2024 Sep 15

Best Way to Activate a Touch Switch Without Touching It

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

2025 Feb 24

What is the capacitive load?

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

2025 Dec 17

How to operate a capacitive touch switch using relay contacts.

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

2024 Aug 01

Capacitive touch trigger as an isolated system

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

2025 Apr 20

Inductive, Capacitive, and Resistive Circuits

Working with resonant circuits and when Xl = Xc the circuit is purely resistive. What I am having a problem picturing is what happens at f1 and f2. One is capacitive f1 and

2025 Jun 16

Capacitive discharge welder

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

2024 Feb 17

View/Download Capacitive energy storage equipment quotation [PDF]

PDF version includes complete article with source references. Suitable for printing and offline reading.