Parrot is a small and portable expansion board derived from the parrot board. It supports motor drive, voice playback, voice synthesis and other functions. It can expand 12 IO interfaces and 2 I2C int
A new 200kHz-200W environmentally friendly switching power supply Nowadays, there are more or less some troubles in the environmental performance evaluation of high-frequency practical switching power
[size=4] Building a complete Zigbee mesh network includes two steps: network initialization and node joining the network. Among them, node joining the network includes two steps: joining the network b
I had the urge to do a series of topics on sound visualization. This topic is a bit difficult and covers a wide range of areas. The related FFT and FHT algorithms are also quite complicated, but I sti