LOLIN S2 PICO is a development board based on the ESP32S2 microcontroller using XTENSA architecture.
This board features a maximum CPU frequency of 240 MHz and 4MB flash memory.
About LOLIN S2 PICO
Tiny ESP32-S2 board with castellated edges and USB-C - ideal for compact integrations and custom modules.
LOLIN S2 PICO Technical Specifications
🖥️ Display
🛰️ Connectivity
🧠 Microcontroller
✨ Features
- 21 digital IO pins
- 46 external interrupt pins
- 20 analog input pins
- 26 PWM pins
LOLIN S2 PICO Pin Mappings
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 for LOLIN S2 PICO
| 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, 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.
