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Feature ESP-12F ESP-01 / ESP-01S GPIO pins 11 usable GPIOs 2 GPIOs Flash memory 4 MB 512 KB / 1 MB PCB antenna ✅ Shielded metal cover PCB trace only Form factor SMD castellated — PCB integration Through-hole 2
make sure it can deliver at least the quantity needed by the device
If the shield uses SPI
As of present times
Laser Diode Cross 5mW 650nm Red - Cross-Hair Module ili9341 Feature ESP-12F ESP-01 / ESP-01SYou 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. This particular module has a lens attached that will turn the dot into a cross.
US$ 39.99
US$ 346.50
US$ 161.37
