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Features
■ Support Free RTOS operating system
■ Support STASTA, Soft AP and Sniffer mode
■ Comply with CE/FCC/SRRC electromagnetic compatibility regulations
■ Follow RoHs/REACH environmental protection directives
■ Golden finger package, easy to SMT process
■ Applicable to: smart lighting, smart switches, smart sockets, smart home appliances
Module size chart

Module pin
NO | Name |
Description |
1 | CHIP_EN | Chip enable pin (active high) |
2 | GPIO5 | ADC |
3 | GPIO2 | EN |
4 | GPIO11 | GPIO11 |
5 | GPIO12 | GPIO12 |
6 | GPIO14 | GPIO14 |
7 | GPIO17 | GPIO17 |
8 | VCC | Power supply. 3.3V is required |
9 | GND | Ground connections |
10 | GPIO0 | GPIO0 |
11 | GPIO8 | GPIO8 (Boot option) |
12 | GPIO1 | GPIO1 |
13 | GPIO3 | RXD(5V)通信串口 |
14 | GPIO4 | TXD(5V)通信串口 |
15 | GPIO16 | RXD(3.3V)烧录串口 |
16 | GPIO7 | TXD(3.3V)烧录串口 |
Specification Download
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