#287 Remote Controller for Clocks (IKEA and others, DCF77, WWVB, MSF, JJY)

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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/master/DFC77

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

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-controller-for-clocks-ikea-and-others-dcf77-wwvb-msf-jjy/

Supporting Material and Blog Page: http://www.sensorsiot.org
Github: https://www.github.com/sensorsiot

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