24 Hour Elegant PCB Clock,  movement with ticking mechanism DIY EUR 35.48


24 Hour Elegant PCB Clock (Gold-Plated PCB only) - EUR 27.68


24 Hour PCB Clock movement only with Hands -with Ticking sweeps DIY - EUR 13.84



​The prices do not include 24% Greek VAT applicable only to individual buyers from European Union. 



The clock hands (above)

and the passive RF detector's schematic (below)


This Radio-Room Wall-Clock project represents my 2nd attempt to mix something "artistic" with Engineering. The first attempt was made with the Elegant PCB Ruler for which I am receiving many nice comments, thanks to all my friends who have appreciated the effort.


The story begins with the commercially available clocks for the radio-shack. I have bought a couple of them in the past for my own shack and I didn't like any of them really. The design was not attractive, they look "cheap" and they are cheap while sell expensive and as I am getting older in age that ticking noise gets annoying. So I have arranged with a factory in China to make it as quiet as possible with the ticking movements on a special order and after I have came up with a dial design that I finally like it is time now to demonstrate the result. I am not ending here, I am preparing GPS disciplined clocks, synchronous clocks etc. please stay tuned on this website for more news shortly.


The clock's face plate has a small passive circuit printed that uses a dipole antenna connected to a double Schottky diode chip which is used to rectify the incoming RF energy to finally power a small LED. Similar to an "ON AIR" sign as seen in broadcasting stations, hopefully it will light up with every transmission getting out from the shack.  The small circuit takes the place of the commonly used space for a clock's brand name and since this project is not commercial, that exactly thing makes this clock unique, at least to the non clock expert. The 2 mm thick FR-4 PCB used with its 3-oz copper thickness and adding the gold-plating (ENIG) and the silkscreening makes a really expensive clock dial, but it really shows elegant, unique and amazing and worths it's cost.

Face Dial:

Circular Printed Circuit Board, 216 mm diameter ENIG (Gold plated) , 3-oz (102 microns) copper thickness, plus nickel plating plus gold plating, 2 mm thick FR-4 material


Hands Dimensions:

Minute Hand: 89.8mm

Hour Hand: 61.4 mm


Movement Specifications

Crystal Oscillator: 32.768 KHZ

Time Keeping: +/- 1 sec/day @ 1.5V, 24C

Operating Voltage: 1.25 to 1.7V DC

Operating Temperature: -10 to 50 C

Torque: Second shaft: > 1.4 gf . cm (1.5 VDC)

Torque: Minute hand:  > 30 gf . cm (1.5 VDC)

Driving System: Self-start ticking motor drive

Circuit output frequency: 8 HZ

Rated Voltage: 1.5 V

Battery size: AA (IEC R6) 1 piece

Battery life: approx 9 months

Average current consumption: <180 uA @ 1.5 V

Allowed Hand Length:

Second: 100 mm

Minute: 130 mm

Allowed Hand Weight:

Second: 1g

Minute: 3g 

Allowed hand unbalance:

Second: 0.1gf.cm

Minute: 6 gf.cm

ORDERS For the Elegant PCB 24h Clock  


EUR 35.48/ea Complete KIT - Dial only or Movement only available


The 24h clock KIT as described here contains a very high-quality ENIG FR4 PCB (216mm dia  x 2 mm) with 3-oz copper  and  ticking 24h movement with second, minute and hour hands and ships with registered mail  (your signature is required upon delivery). I usually ship the next day and it takes about a week to 10 days for USA or Australia, less than a week for Europe.​

Elegant


PCB 


24h Wall Clock


with an LED RF detector

Attention: We cannot find no ticking, sweeping movements any more because the factories stopped producing them. We found quiet ticking types and from May 2018 the clock KITs are shipped with such types of movements.