Description: The module (MicroSD Card Adapter) is a Micro SD card reader module for reading and writing through the file system and the SPI interface driver, SCM system can be completed within a file MicroSD card Support Micro SD Card, Micro SDHC card (high speed card) Level conversion circuit board...

Features: 1. Small PFM control DC/DC boost controller chip 2. Enter any DC voltage of 0.9V~5V, can be stable output 5V DC voltage, output current of 500~600 MA, for the mobile phone, camera, single-chip, digital products supply, Stable output 5V DC voltage. 3. USB female, can direct power to the USB...

Specification: Onboard LM386 Chip. 200 multiplier benefits circuit design. On-board speaker wiring Block. on-board 10K variable resistor, you can adjust the volume of the enlarged. Onboard power indicator. The chip pin leads, can be directly input audio signal. Operating voltage: 5 ~ 12V. Board size...