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Tiny ESP8266 module, 2MB flash
| Part number | ESP-01S Module |
|---|---|
| Category | Microcontrollers & Processors › ESP32 / ESP8266 |
| Package | DIP-28 |
| Pins | 28 |
ESP-01S Module pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | 1 | bidirectional | Pin 1 |
| 2 | 2 | bidirectional | Pin 2 |
| 3 | 3 | bidirectional | Pin 3 |
| 4 | 4 | bidirectional | Pin 4 |
| 5 | 5 | bidirectional | Pin 5 |
| 6 | 6 | bidirectional | Pin 6 |
| 7 | 7 | bidirectional | Pin 7 |
| 8 | 8 | bidirectional | Pin 8 |
| 9 | 9 | bidirectional | Pin 9 |
| 10 | 10 | bidirectional | Pin 10 |
| 11 | 11 | bidirectional | Pin 11 |
| 12 | 12 | bidirectional | Pin 12 |
| 13 | 13 | bidirectional | Pin 13 |
| 14 | GND | ground | Ground |
| 15 | 15 | bidirectional | Pin 15 |
| 16 | 16 | bidirectional | Pin 16 |
| 17 | 17 | bidirectional | Pin 17 |
| 18 | 18 | bidirectional | Pin 18 |
| 19 | 19 | bidirectional | Pin 19 |
| 20 | 20 | bidirectional | Pin 20 |
| 21 | 21 | bidirectional | Pin 21 |
| 22 | 22 | bidirectional | Pin 22 |
| 23 | 23 | bidirectional | Pin 23 |
| 24 | 24 | bidirectional | Pin 24 |
| 25 | 25 | bidirectional | Pin 25 |
| 26 | 26 | bidirectional | Pin 26 |
| 27 | 27 | bidirectional | Pin 27 |
| 28 | VCC | power | Supply |
Schematic symbol and footprint
Schematic symbol
Footprint: DIP-28 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.