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.
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.
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.
