Hornbill ESP32 Dev Development Board

Code name: HORNBILL_ESP32_DEV

Hornbill ESP32 Dev 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 Hornbill ESP32 Dev

Full-featured ESP32 development board with USB and power management β€” ideal for prototyping and learning.

Technical Specifications

πŸ›°οΈ Connectivity

WiFi 802.11 b/g/n (2.4 GHz)
Bluetooth 4.2
BLE 4.2

🧠 Microcontroller

Model esp32
Clock Speed 240 MHz
Flash Size 4MB
Architecture xtensa

✨ Features

  • 40 digital IO pins
  • 16 external interrupt pins
  • 16 analog input pins
  • 19 PWM pins

Hornbill ESP32 Dev Pins Mapping Arduino IDE

Below you can find the Hornbill ESP32 Dev 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 19 pins have Pulse-Width Modulation (PWM).

PinAnalogTouchPWMOther
0A11T1KEY_BUILTIN
1PWMTX
2A12T2PWM
3PWMRX
4A10T0PWM
5PWMSS
12A15T5PWM
13A14T4PWMLED_BUILTIN
14A16T6PWM
15A13T3PWM
18PWMSCK
19PWMMISO
21PWMSDA
22PWMSCL
23PWMMOSI
25A18PWMDAC1
26A19PWMDAC2
27A17T7PWM
32A4T9PWM
33A5T8PWM
34A6
35A7
36A0
39A3
Analog Analog input pins
Touch Touch pins
Function Function pins
RX / TX Receive/Transmit
LED_BUILTIN Built-in LED
PWM Pulse-Width Modulation

Default Tools

Bootloader toolesptool_py
Uploader toolesptool_py
Network uploader toolesp_ota
Bootloader address0x1000
Flash modedio
Boot modedio
Maximum upload size
1280 Kb
(1310720 B)
Maximum data size
320 Kb
(327680 B)

The Hornbill ESP32 Dev 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 Hornbill ESP32 Dev development board by default is dio and dio respectively.