Here is a countdown timer for UV exposure lamps @ cuteminds.com
Here follows a simple count down timer useful for the production of pcbs using photoresist and UV lamps. We have used a pic 16F887 Microchip microcontroller; there are no particular reasons, we have simply used the picmicros available at the moment.
Count down timer for UV lamps using PIC16F887 – [Link]
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