TOSR02-T - USB / Wireless 5V 2-channel Relay Module Support for temperature sensor

Multifunctional Tester for Transistors for automatic detection of NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, thyristors, resistors, capacitors or other devices. Easy and convenient to operate.

Solid State Relay - 8 Channels

TOSR08 - Relay Module 8 channels USB / Wireless 5V

The Hexa base rotation kit is perfect for rotating a large mass. It can easily support 5kg . It is injection molded from ultra strong ABS plastic .

This Voice Recognition Module with Microphone for Arduino can recognize up to 15 voice instructions and be suitable for most cases involving voice control. With this module, we can control cars or other electrical devices by voice.