This module consists of a conductive spring, a 10k resistor, and 3 male header pins. Knocking or shaking the module will cause the spring to momentarily close the circuit. Features:1....

This Geeetech Voice Recognition Module, which can recognize as much as 15 voice instruction and be suitable for most cases involving voice control.It receives configuration commands or responds through serial...

This module is based on the design principles of the resistor divider, to make the terminal interface input voltage narrow five times, Arduino analogue input voltage up to 5V, then...

The W1209 is an incredibly low cost yet highly functional thermostat controller. With this module you can intelligently control power to most types of electrical device based on the temperature...