Update: So I have placed everything and I used a TIP102 Transistor which is also a Darlington type instead of the BCX38B. One problem I couldn't solve is the Load. It wouldn't load up 24 on the 7 segment. The LED near the transistor lights up as well as the other one blinking. What could be wrong? Thanks.
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now it's counting down by 10s
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update: now it's counting from 24 to 0 but in different display. From 42,32,22,12. Backwards.
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Last update: I have now made it to 24 seconds. Now how do I set this to 29?
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FINAL UPDATE: Finally got it to work to 29! You the boss, man! THANK YOU SO MUCH!