User's Manual
Table Of Contents
- 1.Product Introduction
- 2.Function description
- 3. AT command instructions
- 3.1.Basic AT commands
- 3.2.WI-FI related AT commands
- 3.3.TCP/IP Related AT commands
- 3.3.8.Set the framing length of the serial port：at+uartp
- 3.3.9.Set the framing time of the serial port：at+uartpac
- 3.4.BLE related AT commands
- 3.5.Custom message prompt instruction
- Note：This type of command does not have a message
- The maximum length supports 30 bytes. Do not inclu
- 4.AT command control code example
- 5.Bluetooth distribution network and data transparen
- 6.Module power consumption measured data
- 7.Appendix A Document Revision History
User Manual
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HLK-B35
1.4. Product package size and pin definition
Pic1 HLK-B35 Product package size and pin definition
1.5. Pin introduction
Table 2 Module pin interface
PIN
Network name
Type
Description
1
RST
I
Chip enable, high active, low reset
2
IO5
I/O
preserve
3
IO2
I/O
preserve
4
IO11
I/O
preserve
5
IO12
I/O
ES0 button, enter at command
mode/restore factory settings, please pull
up if not in use
6
IO14
I/O
preserve
7
IO17
I/O
preserve
8
VCC
P
3.3V power