MP3 Player Shield - SparkFun

TOSR08 - Relay Module 8 channels USB / Wireless 5V

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.

Kit Components Test, the Velleman.

A Universal Relay Board Kit with 16 Relays and Connectors included! Transformer included. The 12V DC output can be used as a power supply for other kits. Each outlet can be equipped with a noise suppressor.

The Car Ring: Bit is a small smart DIY car driven by the Micro: Bit of the BBC and Ring: Bit. The Ring: Bit extends the 3 GPIO ports of the Micro: Bit and allows different sensors and components to be easily connected to the Micro: Bit.

The ElecFreaks Kit Basic Micro:Bit is a Basic Level Kit. The 5 most common Electrical Modules, which can be easily connected to the Micro:Bit via Basic:Bit. This kit can help students learn how to quickly build their Micro:Bit projects. These Modules can be directly triggered by Makecode. No need to add any extra packages. It is helpful for students to understand the use of these electrical modules from their principle.