What is it?
Adds micro sd card capabilities to a xiao seeed esp32-c3 or esp32-c6. Has battery holes for charging via usb.
Why did you make it?
Wanted a middle man device between my wifi dashcam and my home nas. Useful for other scenarios too like wardriving. Can be used as a penetration collector device or other data collection methods.
Pinout:
- SPI CS: GPIO4 - Used for MicroSD
- SPI MOSI: GPIO5 - Used for MicroSD
- SPI SCLK: GPIO6 - Used for MicroSD
- SPI MISO: GPIO7 - Used for MicroSD
- CHARGE: GPIO18 - Used as input to indicate device is charging from USB
- METER: GPIO0 - Voltage divider analog input. Can be used to calculate percentage
- METER_EN: GPIO1 - Enable or Disable voltage divider
What makes it special?
Thin pcb, small form factor, minimal design.
