WL2S Wi-Fi/BLE Module
by Unknown
| Parameter | Value |
|---|---|
| Board code | wl2s |
| MCU | LN882HK |
| Manufacturer | Lightning |
| Series | LN882X |
| Frequency | 160 MHz |
| Flash size | 2 MiB |
| RAM size | 295 KiB |
| Voltage | 3.0V - 3.6V |
| I/O | 13x GPIO, 2x UART, 3x ADC |
| Wi-Fi | 802.11 b/g/n |
| Bluetooth | BLE v5.1 |
Usage
Board code: wl2s
In platformio.ini:
Pinout
Pin functions
| Name(s) | UART | IĀ²C | SPI | PWM | Other |
|---|---|---|---|---|---|
| PA00, ADC2 | |||||
| PA01, ADC3 | SWDIO | ||||
| PA02 | TX0 | ||||
| PA03 | RX0 | ||||
| PA05 | |||||
| PA07 | |||||
| PA09 | |||||
| PA10 | |||||
| PA11 | |||||
| PA12 | |||||
| PB03, ADC5 | |||||
| PB08 | RX1 | ||||
| PB09 | TX1 |
Flash memory map
Flash size: 2 MiB / 2,097,152 B / 0x200000
Hex values are in bytes.
| Name | Start | Length | End |
|---|---|---|---|
| Boot Image | 0x000000 | 24 KiB / 0x6000 | 0x006000 |
| part_tab | 0x006000 | 4 KiB / 0x1000 | 0x007000 |
| App Image | 0x007000 | 1.2 MiB / 0x12C000 | 0x133000 |
| ota | 0x133000 | 680 KiB / 0xAA000 | 0x1DD000 |
| nvds | 0x1DD000 | 12 KiB / 0x3000 | 0x1E0000 |
| kv | 0x1E0000 | 16 KiB / 0x4000 | 0x1E4000 |
| Key-Value Store | 0x1E4000 | 32 KiB / 0x8000 | 0x1EC000 |
| user | 0x1EC000 | 80 KiB / 0x14000 | 0x200000 |