Micro SD Card Reader Module 6 Pin Gesture D1 R32 = + WiFi

D1 R32 = + WiFi + Bluetooth + UNO

Weighs less than 2 grams

For extra loudness

It has the first two modules of the input terminal of the three termination modules

Programmable: Gain

Micro SD Card Reader Module 6 Pin Gesture D1 R32 = + WiFiMicro SD card with 6 PINS , Micro SDHC card (high speed card) level conversion circuit board which can interface level is 5 V or 3. 3 V communication interface is a standard SPI interface 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 the SPI bus, CS is the signal circuit of the chip signal; 3. 3 V regulator circuit: LDO regulator output 3. 3 V as a level converter