Denky image

Denky

Development Board

Code name: DENKY
ESP32

Denky is a development board based on the ESP32 microcontroller using XTENSA architecture.

This board features a maximum CPU frequency of 240 MHz and 4MB flash memory.

About Denky

ESP32 board optimized for IoT control systems - great for DIY automation and connected hardware.

📋 Technical Specifications

Complete technical specification details for Denky

🛰️ 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 & Pins

Digital IO 40
Analog Input 16
PWM 20
Interrupts 16

Useful Links

Datasheets and resources for Denky

ESP32 Datasheet

Microcontroller reference

Pin Mappings

Complete pinout and GPIO mapping for Denky

40
Digital I/O Pins
16
Interrupt Pins
16
Analog Inputs
20
PWM Pins
PinAnalogTouchPWMOther
0A11T1
1PWMTX
2A12T2PWM
3PWMRX
4A10T0PWMTIC_ENABLE_PIN
5PWMSS
8PWMTIC_RX_PIN
12A15T5PWM
13A14T4PWM
14A16T6PWMLORA_RESET
15A13T3PWM
18PWMSCK
19PWMMISO
21PWMSDA
22PWMSCL
23PWMMOSI
25A18PWMDAC1 RGB_LED_PIN LED_BLU_PIN
26A19PWMDAC2 LORA_TX_PIN LED_GRN_PIN
27A17T7PWMLORA_RX_PIN LED_RED_PIN
32A4T9PWM
33A5T8PWMTIC_RX_PIN
34A6
35A7
36A0
39A3
Legend
A0 Analog input
T0 Touch sensor
PWM PWM capable
RX/TX Serial pins
LED Built-in LED
# Pin number

Default Tools & Configuration

Build and upload settings for Denky

SettingValue
Bootloader toolesptool_py
Uploader toolesptool_py
Network uploader toolesp_ota
Bootloader address0x1000
Flash modedio
Boot modedio
Maximum upload size
1280 KB (1310720 bytes)
Maximum data size
320 KB (327680 bytes)
Configuration Summary

The Denky uses esptool_py for uploads , esp_ota for OTA updates, and esptool_py bootloader at 0x1000.

Flash mode: dio | Boot mode: dio

Max sketch size: 1280 KB | Max data size: 320 KB