User's Manual

HF-LPX70 SeriesWi-Fi&BLE User Manual
Pin
Describtion
Net Name
Signal
Type
Comments
13
Wi-Fi Status
nLink
O
“0” – Wi-Fi connect to router
“1”
– Wi-Fi unconncted;
Detailed functions see <Notes>
GPIO5
14
NC
15
+3.3V Power
VDD
Power
16 Ground GND Power
17 ANT Signal
Only
-0 and-2 have these two pins
A
ntenna Pad Out. See following for detailed.
18
Ground
GND
Power
 -0 use external IPEX antenna, PIN17 is useless.
 -2 use antenna PAD out, there is two pins can be used, recommend to use PIN17.
Figure 4. HF-LPT270-2 Antenna PAD Out
<Notes>
I— Input
；O— Output
PU—InternalResistor Pull Up
； I/O: Digital I/O；Power—Power Supply
nReload Pin (Button) function:
1. When this pin is set to “low” during module boot up, the module will enter wireless
firmware and config upgrade mode. This mode is used for customer manufacture.
See Appendix to download software tools for customer batch configuration and
upgrade firmware during mass production.
2. After module is powered up, short press this button (0.2s<“Low” <1.5s) and loose to
make the module go into SmartBLELinkconfig mode, waiting for APP to set
routerSSIDandpassword, config module connect to router. Recommend to use
SmartBleLink BLE method config, may use AT+SMARTCONFIG to choose other
config mode(SmartLink V8 and SmartAPLink).
See Appendix to download SmartBLELink, SmartLinkV8andSmartAPLinkAPP
3. After module is powered up, long press this button ( “Low” >4s ) and loose to make
the module recover to factory setting.
High-Flying strongly suggest customer fan out this pin to connector or button for
“Manufacture” upgrade or “SmartLink” application.
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com) - 9-