Control Interface:
Six pins total (GND, VCC, Miso, MOSI, SCK, CS)
- GND: Ground,
- VCC: power supply,
- Miso, MOSI, SCK: SPI bus,
- CS: Chip Select Signal Pin.
3.3V control loop:
LDO regulator output 3.3 V as a level converter chip, micro SD card supply.
Level shifter circuit:
Micro SD card in the direction of the signals in 3.3V, the MicroSD card in the direction of the control interface MISO signal is also converted to 3.3V, general AVR microcontroller system can read the signal.
- Support Micro SD card up to 32g
- The level conversion circuit board, the level interface can be 5V or 3.3V
- Power supply 4.5V ~ 5.5V, 3.3V voltage regulator circuit board
- Communication interface is a standard SPI interface
- 4x M2 screw positioning holes for easy installation
- Size: 4.1 x 2.4 cm
Shipping content:
- 1 x Micro SD TF Card Module
Development Resources
Shenzhen Harztec Technology Co., 309, 3F, Block B, Ganfeng Technology Building 1, No.993 Jiaxian Road, Xiangjiaotang Community, Bantian Street,, 518129 Shenzhen, China, [email protected], https://harztec.com