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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
■ Stamp hole package, easy to SMT process
■ Applicable to: smart lighting, smart switches, smart sockets, smart home appliances
Module size chart
Module pin
| No | Name | IO Type | Description |
| 1 | CHIP_EN | IO | Chip cnable pin (active high) |
| 2 | GPIO5 | IO | GPIO5 |
| 3 | GPIO2 | IO | GPIO2 |
| 4 | GPIO11 | IO | GPIO11 |
| 5 | GPIO12 | IO | GPIO12 |
| 6 | GPIO14 | IO | GPIO14 |
| 7 | GPIO17 | IO | GPIO17 |
| 8 | VCC | P | Power supply. 3.3V is required |
| 9 | GND | P | Ground connections |
| 10 | GPIO0 | IO | GPIO0 |
| 11 | GPIO8 | IO | GPIO8(Boot option). |
| 12 | GPIO1 | TO | GPIO1 |
| l3 | GPIO3 | IO | GPIO3 |
| 14 | GPIO4 | IO | GPIO4 |
| 15 | RXD | I | UART RX |
| 16 | TXD | O | UART TX |
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sales@trolink.cn
Company address：Room 601, Huashengtai Technology Building, 36 Hangkong Road, Baoan District, Shenzhen
Factory address：Second Floor, Building B, Shijie, District A, Huafeng First Science and Technology Park, Gushu Sanwei, Baoan District, Shenzhen
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