Description
1. Supports Micro SD cards, Micro SDHC card (high speed card)
2. onboard level conversion circuit that interfaces level for 5V or 3.3V
3. power supply is 4.5V ~ 5.5V, onboard 3.3V voltage regulator circuit
4. is a standard communication interface SPI interface
5. tshere's 4 M2 screw positioning holes for easy installation
6.Size: 42*24*12mm
7.Weight: 5g
Control Interface:
A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is SPI bus, CS is the chip select signal pin;
3.3V voltage regulator circuit:
LDO regulator output is 3.3V level converter chip, Micro SD card supply;