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A remotely controlled, precise analog wall clock like that one from IKEA is a cool thing. Today we will build our own remote control for such analog and digital clocks. All we need is a Raspberry Pi and a few electronic components. And we will learn something about resonance frequencies, capacitors, and ferrite antennas. Let’s hack!
I am a proud Patreon of GreatScott!, Electroboom, Electronoobs, eevblog and others.
You can do the same using an ESP32: https://github.com/aknik/ESP32/tree/m...

In this video, we will:
Learn how radio-controlled clocks work
We will build a ferrite antenna for receiving and transmitting time signals
We will test and optimize it
We will install software on our Raspberry Pi to create signals for DCF77, WWVB, MSF, and JJY
In the end, I should have a precise time in my lab. Even if it is in the basement

Links:
Software: https://github.com/hzeller/txtempus
DCF77 Clocks: http://s.click.aliexpress.com/e/Or4Og0Gs
WWVB Clocks: http://s.click.aliexpress.com/e/rynh4QLQ or http://bit.ly/2V3f1Dz
Ferrite Rods: http://s.click.aliexpress.com/e/E9kPH6ku
Copper wire: http://s.click.aliexpress.com/e/kjXSDLuM

Instructions: http://www.sensorsiot.org/remote-cont...



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#IKEA_Hack #DCF77 #WWVB #JJY