Lion:Bit Dev Board

Development Board

Code name: Lion:Bit_Dev_Board

Lion:Bit Dev Board 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 Lion:Bit Dev Board

ESP32-based board designed for education and STEM - features built-in sensors and Grove connectors for quick prototyping.

Technical Specifications

Complete technical specification details for Lion:Bit Dev Board

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 23

Interrupts 16

Quick Setup

Copy-paste configs for Lion:Bit Dev Board - auto‑generated from this board's exact hardware specs.

ESP32 240 MHz 4MB DIO Xtensa

In Arduino IDE 2 select Lion:bit Dev Board from the esp32 by Espressif package. In PlatformIO use board = esp32dev. ESP32 · 240 MHz · 4MB · DIO.

Tools menu settings

Board (select in Arduino IDE) Lion:bit Dev Board

CPU Frequency 240 MHz

Flash Size 4MB

Flash Mode DIO

Upload Speed 921600

Architecture Xtensa

In Arduino IDE 2, open Boards Manager, search "esp32" by Espressif and install it. Then go to Tools → Board and select "Lion:bit Dev Board" for the Lion:Bit Dev Board.

platformio.ini


[env:lionbit]
platform  = espressif32
board     = esp32dev
framework = arduino

; Exact hardware config for Lion:Bit Dev Board
board_build.mcu        = esp32
board_build.f_cpu      = 240000000L
board_build.flash_size = 4MB
board_build.flash_mode = dio
board_upload.flash_size = 4MB

The board value is a close generic match - check PlatformIO board registry for an exact fit.

esp32: block (YAML)


esp32:
  board: esp32dev
  framework:
    type: arduino   # or "esp-idf"

# Lion:Bit Dev Board - 240 MHz ESP32
# Flash: 4MB | USB: N/A

Paste into your device's .yaml. See ESPHome ESP32 docs for full options.

esptool.py - flash command


esptool.py \
  --chip esp32 \
  --baud 921600 \
  write_flash \
    --flash_mode dio \
    --flash_size 4MB \
    0x1000 bootloader.bin \
    0x8000    partitions.bin \
    0xe000    boot_app0.bin \
    0x10000   firmware.bin

Install: pip install esptool - replace firmware.bin with your binary - bootloader at 0x1000

Useful Links

Datasheets and resources for Lion:Bit Dev Board

ESP32 Datasheet

Microcontroller reference

Pin Mappings

Complete pinout and GPIO mapping for Lion:Bit Dev Board

Digital I/O Pins

Interrupt Pins

Analog Inputs

PWM Pins

Pin	Analog	Touch	PWM	Other
0				LED_BUILTIN
1			PWM	TX
2			PWM	SWITCH_A
3			PWM	RX
4			PWM	SWITCH_B
5			PWM	VSS
9			PWM	U1RX
10			PWM	U1TX
12			PWM	MISO MTDI
13			PWM	MOSI MTCK
14			PWM	SCK MTMS
15			PWM	SS MTDO
16			PWM
17			PWM
18			PWM	VSCK CLK
19			PWM	VMISO
21			PWM	SDA
22			PWM	SCL
23			PWM	VMOSI ST_MOSI
25			PWM	DAC1
26			PWM	DAC2
27			PWM	CS
32			PWM	DC
33			PWM	RST
36		T0		VP
39		T1		VN
*/	A0 A1 A2 A3 A4 A5

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 Lion:Bit Dev Board

Setting	Value
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 bytes)
Maximum data size	320 KB (327680 bytes)