Description
D1 R32 = + WiFi + Bluetooth + UNO
and multiple digital interfaces
Weighs less than 2 grams
It has the first two modules of the input terminal of the three termination modules
It is designed to extract
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