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What does the R503 New Circular Round Two-Color Ring Indicator LED Control DC3
The Slave mode could be paired with PDA
16-key capacitive touch pad on the TTP229 IC
You get a quad-core ARM CPU
Laser Diode Dot 5mW 650nm Red - Dot Pattern Module 2.5g What does the R503 NewYou have some frickin' sharks at your lair, and you're thinking "it would be really great if I could attach some lasers to them" and then you see these little laser diode modules: what great timing! These encapsulated laser diodes are Class IIIa 5mW, with a 650nm red wavelength. They can be driven from 2. 8V to 5. 2V so they're great for your embedded electronics project. You can use these for laser harps, electronic 'trip wires', laser vision
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