#Nextime black hands aluminum wall clock free#
No affiliation to any of the suppliers used in this project, feel free to use your preferred suppliers and substitute the elements were appropriate to your own preference or subject to supply. Some components may also have a MOL greater than the quantity specified in the component list. May prove more cost effective to buy a range of values rather than individual values unless you already have them available. However, the phases may not be connected the same resulting in unpredictable operation.)Ĭompact Disc (CD) 120mm or template (card/plastic), with the same dimensions.ģ0 AWG wrapping wire (ideally the same colour as the dial).
#Nextime black hands aluminum wall clock driver#
Microbit V2 (preferred due to built in speaker, V1 will work but will require an external sounder.)ĥV stepper motor with ULN2003 driver board (Note: Similar motors exist with the same footprint, size, mounting and connector.
In this case opaque film has the following advantages, brighter and slower decaying light emission, improved resolution leading to better visibility under higher ambient lighting conditions for longer compared to a filament disc. The Hall effect sensor was moved to the motor board at the back and the disc flange modified to accomodate the ball magnet at this new location.ĭifferent methods of photo luminescent display were evaluated both opaque film and translucent filament.
The LED arm was modified to reduce its overall size and also to remove the Hall effect sensor from the front to improve the asthetics. However, changing to the board used in the Lumi-Clock simplifies build and control, enabling easier modification of hand configurations without recourse to additional boards. This workaround still enables the cheaper board to be utilised. This therefore required some means of switching off the required LED and was accomplished by adding a MOSFET pulldown circuit. The original servo driver board was chosen due to its lower cost and small size but was later found it would not allow independant switch off of a channel used to control an LED, the LED was always on, although intensity could be varied. There is a requirement to switch off individual LED's to differentiate between the hour and minute hands. One of the changes in the electronics was in the servo driver board. It's minimalist clean lines also fitted in well with a clock with no physical hands. It could be mounted in a number of ways shelf, wall or table and would support both the display and house the electronics. The new enclosure started life as a floating shelf which seemed ideal in many ways. This style also meant that it was only really suitable for shelf mounting were there is less chance of impeding the display. In the original version the housing was simply to conceal the electronics but left the display exposed which made it vulnerable and given the size and positioning of the housing compared to the display made it somewhat disjointed. Therefore, the look was given more consideration in version 2, this is in addition to a number of other changes. Well the first version was more a case of having a working design rather than how it looked. An analog clock with no hands (well not in the standard sense), rather the hands are virtual and created by the effect of UV light on photo luminescent material.
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