LOLIN S2 PICO Development Board
Code name: LOLIN_S2_PICO
LOLIN S2 PICO development board is based on esp32s2 microcontroller and uses xtensa architecture. This board has a maximum CPU frequency of 240 MHz and a flash size of 4MB.
About LOLIN S2 PICO
Tiny ESP32-S2 board with castellated edges and USB-C — ideal for compact integrations and custom modules.
Technical Specifications
🖥️ Display
🛰️ Connectivity
🧠 Microcontroller
✨ Features
- 21 digital IO pins
- 46 external interrupt pins
- 20 analog input pins
- 26 PWM pins
LOLIN S2 PICO Pins Mapping Arduino IDE
Below you can find the LOLIN S2 PICO pinout. This development board provides 21 digital IO pins, out of which 46 can be used as external interrupt pins, 20 as analog input pins and 26 pins have Pulse-Width Modulation (PWM).
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 1 | A0 | T1 | PWM | |
| 2 | A1 | T2 | PWM | |
| 3 | A2 | T3 | PWM | |
| 4 | A3 | T4 | PWM | |
| 5 | A4 | T5 | PWM | |
| 6 | A5 | T6 | PWM | |
| 7 | A6 | T7 | PWM | |
| 8 | A7 | T8 | PWM | SDA |
| 9 | A8 | T9 | PWM | SCL |
| 10 | A9 | T10 | PWM | LED_BUILTIN |
| 11 | A10 | T11 | PWM | |
| 12 | A11 | T12 | PWM | |
| 13 | A12 | T13 | PWM | |
| 14 | A13 | T14 | PWM | |
| 15 | A14 | PWM | ||
| 16 | A15 | PWM | ||
| 17 | A16 | PWM | DAC1 | |
| 18 | A17 | PWM | DAC2 S2_PICO_OLED_RESET | |
| 19 | A18 | PWM | ||
| 20 | A19 | PWM | ||
| 33 | PWM | RX | ||
| 34 | PWM | SS | ||
| 35 | PWM | MOSI | ||
| 36 | PWM | SCK | ||
| 37 | PWM | MISO | ||
| 38 | PWM | TX | ||
| 0x00000000 | USB_FW_MSC_SERIAL_NUMBER |
Default Tools
| Bootloader tool | esptool_py |
| Uploader tool | esptool_py |
| Network uploader tool | esp_ota |
| Bootloader address | 0x1000 |
| Flash mode | dio |
| Boot mode | qio |
| Maximum upload size | 1280 Kb (1310720 B) |
| Maximum data size | 320 Kb (327680 B) |
The LOLIN S2 PICO development board by default uses esptool_py uploader tool, esp_ota network uploader tool for Over-the-air (OTA) uploads and esptool_py bootloader tool. The bootloader starts at address "0x1000". Flash mode and boot mode for LOLIN S2 PICO development board by default is dio and qio respectively.
