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Duotone panel — violet briefing on the left, lime-sealed detail sheet on the right.
Ai Thinker EC 01F Kit NB+IOT Development Board TIP122 Darlington NPN Transistor (Pack of 5) 14 digital I O pins 14 digital I O pins 4 AA batteries last 3 enabling global deployment across multiple carrier networks Integrated power management with onboard 3
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