#189

A safe experiment in mains zero crossing with an Arduino using interrupts.
JLCPCB Only $2 for PCB Prototype any colour https://jlcpcb.com/

More information (sketch, circuit diagram etc) in my GitHub:
https://github.com/RalphBacon/189-Zer...

00:00 Welcome Back!
05:45 Exploded Capacitor
22:26 Smart Phone Charger Mini-Update

As part of my quest to replace the potentially dangerous electronics in a recently acquired fan speed controller, the first step is for the Arduino to know exactly when the mains AC waveform is at the zero point in its cycle.

Here we can see how easy it is to configure the Arduino with just a few lines of code to detect this using a simple interrupt routine.

We also have a 2 minute look at the progress on my Smart Phone Charger, as the PCB from JCLPCB has arrived and is looking good!

List of all my videos
(Special thanks to Michael Kurt Vogel for compiling this)
http://bit.ly/YouTubeVideoList-RalphB...

More information (sketch, circuit diagram etc) in my GitHub:
https://github.com/RalphBacon/189-Zer...

In case you missed the links to these products:

Geekcreit® AC 60-500V 0-100A D18 Square LED Digital Dual Display Voltmeter Ammeter Voltage Gauge Current Meter
https://www.banggood.com/Geekcreit-AC...

Geekcreit® Large Size Rainbow Color Digital Tube DS3231 Clock DIY Kit
https://www.banggood.com/Geekcreit-La...
tal-Tube-DS3231-Clock-DIY-Kit-p-1323917.html?p=FQ040729393382015118&utm_campaign=25129675&utm_content=3897

SMD Component Soldering Practice Board from $2
https://www.banggood.com/DIY-SMD-Comp...

https://www.banggood.com/DIY-SMD-Rota...

THIS IS THE PRACTICE KIT I USED, WITH QUAD FLAT PACK CHIPS, only $3.15
https://www.banggood.com/DIY-Electron...

Desoldering braid 1.5mm 2mm 2.5mm 3mm 3.5mm Width 1.5M Length, $2.56 each
Essential for removing bridges and solder from the PCB
https://www.banggood.com/1_5mm-2mm-2_...

DANIU Heavy Duty Soldering Solder Iron Tip Cleaner $6.80 (What I use)
https://www.banggood.com/DANIU-Heavy-...

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More information (sketch, circuit diagram etc) in my GitHub:
https://github.com/RalphBacon/189-Zer...

My channel, GitHub and blog are here:
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