Digital analog LED clock 2021 remake
thingiverse
Update: -Please download the project related files individually from the things/files tab. The easy "Download all" does not work. -New files: -the clock housing assembly 225mm V2 -open front_pcb retainer THE THING This is my take on making a fresh build of an last century created digital analog clock. It took a long time to make the new digital files. Still have not found a decently priced pcb maker, not yet. Back in the days when the clock design was new there was no digital template published. Perhaps it never happened. Even the printed template was scaled down. Did all the holes drilling by hand. Now we have computers, cnc pcb mills, pcb fab houses. Shall we make new old iconic design a piece of our living room? So, why not. Some creativity requiered. Gather the needes informations from the provided files. Search fot the parts on reliable sources first. Files: -project files archived -pdf-file pcb layout, top view, copper side, depending on the technics you might have to mirror it -CNC files Gerber,Excelllon drill Parts: -resistors: R1 680 R2 390k R,R5,R6,R7 82k R8 - R19 10k R20 22k R21, R24 2k R22 10/1Watt R23 1.5k On my first build I used rectangular LED, trimmed to fit the spacing, side by side See the picture. -LED green 3mm or 2x4mm D1,D13,D25,D37,D49,D61,D73,D85,D97,D109,D121,D123,D133 -LED red 3mm or 2x4mm D2-D12, D14-D24,D26-D36,D38,D48 D145-D156 1N4148 D157-D160 1N4001 -D161 Z-diode 12V/1watt -logic IC IC1 4060 IC2 4082 IC3,IC4 4093 IC5,IC6 4024 IC7,IC8 4067 -connection K1,K3 terminal block, pitch 5mm K2 2way terminal block 7.5mm pitch S1 momentary push button -caps: C1-C5 C8-C15 100nF ceramic C6,C7 100uF/25V electrolytic axial -small transformer output 9v AC, app. 300mA (3VA) Printable parts: -clock housing body other -front windows acrylic -backplate /pcb/plywood/acrylic
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