Small size: The circuit board is small in size, less than the size of a USB flash drive, and only occupies the width of a USB port. 5V-500mA or 3.3V-100mA. 1 x Module. colour: As Shown.
eBay
Has RXD, TXD signal indicator light, monitor send and receive status.
eBay
Has RXD, TXD signal indicator light, monitor send and receive status.
eBay
With RXD, TXD signal indicator light, monitor send and receive status. 1 UART Serial Port to RS485 Converter. Type: for TTL turn RS485. A large area of copper to prevent interference. It can not connect with the ground when the indoor short-distance transmission.
eBay
Has RXD, TXD signal indicator light, monitor send and receive status.
eBay
1 UART Serial Port to RS485 Converter. Type: for TTL turn RS485. Supports multi-machine communication, allowing for access at up to 128 devices on the bus. With RXD, TXD signal indicator light, monitor send and receive status.
eBay
Has RXD, TXD signal indicator light, monitor send and receive status.
eBay
Has RXD, TXD signal indicator light, monitor send and receive status.
eBay