Simple micro switch that can be used as a limit switch, as a drawer switch or whatever you'd like. It even support higher current loads, so you can switch motors or high power leds with it (hint hint).
Prototype Shield for Raspberry Pi is a prototype board that you can combine your raspberry pi with other components, modules.
As a prototype board, it also provides power and state indicator light. Besides.
Note: not include Raspberry Pi
The Wireless Charging Module can be applied in electronic equipments in common use for close wireless charging or power supply. Consisted of a transmitter and insulation coil, it could serve as a replacement for the Wireless Power Supply with stable 5V output voltage and maximum 600mA output current. Its small size and insulation coil is more suitable for...
A wireless relay is a codec-adaptive RF receiver with single channel relay. It helps easily deployment of wireless AC control for electrical appliances.Max 30 difference codec, unlimited controller or transmitter of each codec. Adaption of most popular RF remote controller, except rolling code.