Description
1. the onboard MAX485 chip, is a for RS - 485 communication of low power consumption, limit rate transceiver
2. the onboard 5.08 (mm) spacing 2 p terminal, convenience of RS - 485 communication connection
All three, chip pins has led, can be operated by single chip microcomputer control
3. working voltage: 5 v
4. the board size: 46 (mm) x12 (mm)
