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 and the …
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 displays check the …
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 between 10 - …
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 battery, but I am …
How to calculate current limitation in an AC capacitive drop circuit
Apr 25, 2022 · The problem with getting higher current out of a simple capacitive dropper is the inherent conflict between two operating conditions: 1) Inrush current, discharged capacitor, peak voltage …
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 interferences, …
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 for …
Capacitive Voltage Divider - Downsides? - All About Circuits
Oct 17, 2009 · Capacitive voltage dividers are really only usable for AC circuits. Capacitors block DC, and pass the effects of AC. However, attempting to use capacitors in the place of transformers to …
Inductive, Capacitive, and Resistive Circuits - All About Circuits
Sep 16, 2019 · Resonance when inductive reactance = capacitive reactance. leaving resistance the only form of impedance. See effect of series and parallel tuned circuit. Max.
SPI Communication - All About Circuits
Jan 26, 2022 · SPI is a serial peripheral interface which is a 3 or 4 wire (MISO, MOSI, CLK and CS) system to transfer data between ICs. SCI is an serial communications interface to send data via a …