RF Controller Kit 315MHz w/ Remote - 4-Button Wireless Set 3.3v MicroSD / TF card support:

MicroSD / TF card support: Easy removable storage

there are five significant distinctions between them

120MHz ARM Cortex M3 Memory 1MB flash

These modules are simple to interface with Arduino and other microcontrollers because of the abundance of libraries and examples accessible online

30A: gives you a quick spec reference before choosing the right part

RF Controller Kit 315MHz w/ Remote - 4-Button Wireless Set 3.3v MicroSD / TF card support:RF Controller Kit with Remote Control 315MHz Clickety click, control your LEDs from a distance! A four buttoned RF controller that can work without an additional microcontroller.  Armed with SC2273 L4 SC2272 M4 IC for encoding and decoding signals. The receiver is powered using a 5VDC supply. By pressing button A, it activates the first pin to output HIGH. When B is press, it enables the second pin. And so forth will all other buttons. Frequently