_Unfortunately I can't open my ebay shop right now. While I'm trying to open it, you can buy this board here: https://www.tindie.com/stores/easySensors/ _
I think this shield for arduino nano may be useful in some cases like serial gateway building, prototyping etc
Specification
- Quite small (40x25mm)
- Fully compartible with standard inexpensive Arduino Nano boards.
- All arduino pins are avaliable for dupont wires.
- RFM69HW and NRF24l01 footprints
- SMA socket for external sub-GHz antenna
- Supply from arduino nano USB cable
- 3.3v LDO onboard
- 5v to 3.3v level convertor onboard (for radios and flash)
- Authentication security - Atmel ATSHA204A Crypto Authentication Chip
- External JDEC EPROM
- SD card reader onboard
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