The Dimensions of WIFI Module USR-C216
Unit: mm
Pin |
Name |
Signal type |
Introduction |
1 |
GPIO1 |
NC |
NC |
2 |
GPIO2 |
NC |
NC |
3 |
GPIO3 |
I/O |
GPIO, do not support |
4 |
GPIO4 |
I/O |
GPIO, do not support |
5 |
UART0_ TX |
O |
TX of UART |
6 |
UART0_ RX |
I |
RX of UART |
7 |
UART0_ CTS |
I |
CTS of UART |
8 |
UART0_ RTS |
O |
RTS of UART |
9 |
SPI_IRQ |
O |
485 Control pin, after disabled 485 function presents high resistance state, enable 485 function, the default is low level; when serial port has data transmission, temporary switch to high level |
10 |
nReset |
I |
Module reset, low level effective, pull down at least 100 ms |
11 |
nReady |
O |
Module works normally with indication pin, low efficiency, external LED |
12 |
nReload |
I |
Pull down 0.5-3 seconds to start Simple Config distribution network. Pull down more than 3 seconds to restore factory settings. |
13 |
nLink |
O |
Module WiFi Connection Indicator Pin, Low Effective, External LED |
14 |
WPS |
I/O |
WPS function pin, do not support |
15 |
VCC |
P |
3.3V |
16 |
GND |
P |
ground |
17 |
RFIO |
O |
Radio Frequency Signal Output |