Hardware_versions
For enabling the chip in the second version, bind pin CH_PD to VCC (3.3v).
| Pin | Name | Description |
|---|---|---|
| 1 | GND | Ground |
| 2 | U0TXD | UART0 Transmit |
| 3 | GPIO2 | |
| 4 | CHIP_EN | Chip Enable, active high |
| 5 | GPIO0 | |
| 6 | EXT_RSTB | External reset signal, active low |
| 7 | U0RXD | UART0 Receive |
| 8 | VDD | +3.3V power input |
Starting the module bind CH_PD to VCC (3.3v) and GPIO15 to GND
