A wireless desktop air sensor base STM32
The project still working!
Notice: The document will be written in Chinese. If you can't understand Chinese, you can use Google Translate, thank you.
| GPIO | 芯片IO | 描述 |
|---|---|---|
| PA9 | Tx(2) | USART1_TX |
| PA10 | Rx(3) | USART1_RX |
| GND | G(1) | 数字地 |
| 3V3 | VCC(4) | 外部输入3.3V供电接口 |
| GPIO | 芯片IO | 描述 |
|---|---|---|
| PA3 | ESP_TXD | USART2_RX |
| PA2 | ESP_RXD | USART2_TX |
| GND | GND | 数字地 |
| 3V3 | VCC | 供电 |
| GPIO | 外设IO | 描述 |
|---|---|---|
| PC13 | LED | |
| PA0 | 按钮 |
| GPIO | 芯片IO | 描述 |
|---|---|---|
| PB12 | CLK | 时钟 |
| PB14 | DT | 数据 |
| PB15 | SW | 按下按钮 |
| GND | GND | 数字地 |
| 3V3 | VCC | 供电 |
| GPIO | 芯片IO | 描述 |
|---|---|---|
| PB6 | SCL | 时钟 |
| PA12 | SDA | 数据总线 |
| GND | GND | 数字地 |
| 3V3 | VCC | 供电 |
| GPIO | 芯片IO | 描述 |
|---|---|---|
| PA7 | CLK (SCL) | 时钟 |
| PB0 | MOSI (SDA) | 数据总线 |
| PB1 | DC1 | 数字地 |
| PB2 | CS1 | 供电 |
| PB11 | FSO | |
| PB10 | CS2 |