IC:
how: what needs to be done: For this model clock. There is a jumper for 24hour mode. All that is required is to reflow the solder and install a 10mm long jumper wire as shown below.
IC/PCB graphic
Pic 12HR Pic 24HR
More Mods
Lens for Digital Clock - 7 segment display diffuserDisplay Intensity: I would like to at a switch,variable resistor or photo resistor to limit the brightness of the display.
Datasheet:
http://pdf1.alldatasheet.com/datasheet-pdf/view/205672/HOLTEK/HT48R30A-1/+Q0W78WV.MKTGLdlZz./1wvllD+/datasheet.pdf
1 comment:
Hi, please where does the jumper go? I'm not seeing a complete schematic? Thank you
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