LoPy4

Development Board

Code name: LoPy4

LoPy4 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 LoPy4

Upgraded LoPy with BLE and improved specs - perfect for versatile multi-network IoT applications.

Complete technical specification details for LoPy4

WiFi 802.11 b/g/n (2.4 GHz)

Bluetooth 4.2

BLE 4.2

Model esp32

Clock Speed 240 MHz

Flash Size 4MB

Architecture xtensa

Digital IO 40

Analog Input 18

PWM 19

Interrupts 16

Datasheets and resources for LoPy4

ESP32 Datasheet

Microcontroller reference

Complete pinout and GPIO mapping for LoPy4

Digital I/O Pins

Interrupt Pins

Analog Inputs

PWM Pins

Pin	Analog	Touch	PWM	Other
0	A11	T1		LED_BUILTIN
1			PWM	TX
2	A12	T2	PWM
3			PWM	RX
4	A10	T0	PWM
5			PWM	LORA_SCK
12	A15	T5	PWM	SDA
13	A14	T4	PWM	SCL SCK
14	A16	T6	PWM
15	A13	T3	PWM
18			PWM	LORA_CS SS
19			PWM	LORA_MISO
21			PWM	ANT_SELECT
22			PWM	MOSI
23			PWM	LORA_IRQ
25	A18		PWM	DAC1
26	A19		PWM	DAC2
27	A17	T7	PWM	LORA_MOSI
32	A4	T9	PWM
33	A5	T8	PWM
34	A6
35	A7
36	A0
37	A1			MISO
38	A2
39	A3

Legend

A0 Analog input

T0 Touch sensor

PWM PWM capable

RX/TX Serial pins

LED Built-in LED

# Pin number

Build and upload settings for LoPy4