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.
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1 UART Serial Port to RS485 Converter. Type: for TTL turn RS485. The module is fully considered mine design,it can for play a very good anti- and anti- effect, more secure. With RXD, TXD signal indicator light, monitor send and receive status.
eBay
3.3V or 5.0v communication signals can be matched.
eBay
3.3V or 5.0v communication signals can be matched.
eBay
(5) RXD, TXD signal indicator light shows send and receive status of the monitor. (4) Semi-hole pads, on board module, thin PCB. (6) Support multi-machine communication, allowing access at up to 128 devices.
eBay
Has RXD, TXD signal indicator light, monitor send and receive status.
eBay
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