Microduino-CoreESP32 Development Board Pinout and Technical Specifications
Code name: CoreESP32
Microduino-CoreESP32 development board is based on esp32 microcontroller and uses xtensa architecture. This development board has a maximum CPU frequency of 240 MHz and a flash size of 4MB.
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Microduino-CoreESP32 Specs
Below you can find the specifications of Microduino-CoreESP32, such as features, connectivity options, and Microduino-CoreESP32 technical specs.
Features
- 22 digital IO pins
- 16 external interrupt pins
- 12 analog input pins
- 21 PWM pins
Connectivity
- WiFi: 802.11 b/g/n (2.4 GHz)
- Bluetooth: 4.2
- WiFi: 4.2
Technical specs
| Clock Speed | 240 MHz |
| Flash size | 4MB |
| Microcontroller | esp32 |
| Architecture | xtensa |
Microduino-CoreESP32 Pinout
Microduino-CoreESP32 Pins Mapping Arduino IDE
Below you can find the Microduino-CoreESP32 pinout. This development board provides 22 digital IO pins, out of which 16 can be used as an external interrupt pins , 12 as analog input pins and 21 pins have Pulse-Width Modulation (PWM) .
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 0 | T1 | |||
| 1 | PWM | TX WIRE1_PIN_DEFINED | ||
| 2 | T2 | PWM | ||
| 3 | PWM | RX | ||
| 4 | A3 | T0 | PWM | |
| 5 | PWM | SS | ||
| 12 | A0 | T5 | PWM | MTDI SDA1 |
| 13 | A1 | T4 | PWM | MTCK SCL1 |
| 14 | A13 | T6 | PWM | MTMS |
| 15 | A2 | T3 | PWM | MTDO |
| 16 | PWM | |||
| 17 | PWM | |||
| 18 | PWM | SCK | ||
| 19 | PWM | MISO | ||
| 21 | PWM | |||
| 22 | PWM | |||
| 23 | PWM | MOSI | ||
| 25 | A10 | PWM | DAC1 | |
| 26 | A11 | PWM | DAC2 | |
| 27 | A12 | T7 | PWM | |
| 32 | A8 | T9 | PWM | |
| 33 | A9 | T8 | PWM | |
| 37 | A7 | |||
| 38 | A6 | |||
| -1 | LED_BUILTIN | |||
| 22//23; | SDA | |||
| 21//19; | SCL | |||
| 32//ADC1_CH4 | ||||
| 33//ADC1_CH5 | ||||
| 25//ADC2_CH8 | ||||
| 26//ADC2_CH9 | ||||
| 27//ADC2_CH7 | ||||
| 14//ADC2_CH6 |
Default Tools
| Bootloader tool | esptool_py |
| Uploader tool | esptool_py |
| Network uploader tool | esp_ota |
| Bootloader address | 0x1000 |
| Flash mode | dio |
| Boot mode | dio |
| PSRAM type | |
| Maximum upload size | 1280 Kb (1310720 B) |
| Maximum data size | 320 Kb (327680 B) |
The Microduino-CoreESP32 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 Microduino-CoreESP32 development board by default is dio and dio respectively.
