FireBeetle-ESP32 Development Board
Code name: ESP32_DEV
FireBeetle-ESP32 development board is based on esp32 microcontroller and uses xtensa architecture. This board has a maximum CPU frequency of 240 MHz and a flash size of 4MB.
About FireBeetle-ESP32
Original FireBeetle ESP32 board with battery support - compact and efficient for mobile IoT applications.
Technical Specifications
🛰️ Connectivity
🧠 Microcontroller
✨ Features
- 40 digital IO pins
- 16 external interrupt pins
- 16 analog input pins
- 21 PWM pins
FireBeetle-ESP32 Pinout
FireBeetle-ESP32 Useful Links
FireBeetle-ESP32 Pins Mapping Arduino IDE
Below you can find the FireBeetle-ESP32 pinout. This development board provides 40 digital IO pins, out of which 16 can be used as external interrupt pins, 16 as analog input pins and 21 pins have Pulse-Width Modulation (PWM).
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 0 | A7 | T1 | ||
| 1 | PWM | TX | ||
| 2 | A8 | T2 | PWM | LED_BUILTIN |
| 3 | PWM | RX | ||
| 4 | A6 | T0 | PWM | |
| 5 | PWM | SS | ||
| 9 | PWM | |||
| 10 | PWM | |||
| 12 | A10 | T5 | PWM | |
| 13 | A9 | T4 | PWM | |
| 14 | A11 | T6 | PWM | |
| 15 | A4 | T3 | PWM | |
| 18 | PWM | SCK | ||
| 19 | PWM | MISO | ||
| 21 | PWM | SDA | ||
| 22 | PWM | SCL | ||
| 23 | PWM | MOSI | ||
| 25 | A13 | PWM | DAC1 | |
| 26 | A14 | PWM | DAC2 | |
| 27 | A12 | T7 | PWM | |
| 32 | T9 | PWM | ||
| 33 | T8 | PWM | ||
| 34 | A2 | |||
| 35 | A3 A5 | |||
| 36 | A0 | |||
| 39 | A1 |
Default Tools
| Bootloader tool | esptool_py |
| Uploader tool | esptool_py |
| Network uploader tool | esp_ota |
| Bootloader address | 0x1000 |
| Flash mode | dio |
| Boot mode | dio |
| Maximum upload size | 1280 Kb (1310720 B) |
| Maximum data size | 320 Kb (327680 B) |
The FireBeetle-ESP32 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 FireBeetle-ESP32 development board by default is dio and dio respectively.
