Recommended Connection Diagram - Ebyte E280-2G4T12S User Manual

2.4ghz ttl high-speed lora wireless module

Hide thumbs Also See for E280-2G4T12S:

Table of Contents

Chengdu Ebyte Electronic Technology Co.,Ltd.

Output

AUX

VCC

Reference

GND

place

Reference

GND

place

12～19

Reference

GND

place

4 Recommended connection diagram

Serial number

Used to indicate the working status of the module, the user wakes up the external MCU, and outputs

low level during the power-on self-check initialization period. It can be configured as an open-drain

output or push-pull output. For details, see parameter settings (can be left floating)

Module power supply positive reference, voltage range: 2.3V ~ 5.5V DC

Module ground

Empty feet not connected

Module ground

Brief description of the connection between the module and the microcontroller (the picture above takes the

STM8L microcontroller as an example)

The wireless serial port module is TTL level, please connect with TTL level MCU.

For some 5V microcontrollers, it may be necessary to add 4-10K pull-up resistors to the TXD and AUX pins

of the module.

E280-2G4T12S User Manual

Table of Contents

E28-2g4t12s E28-2g4m27s E28-2g4m20s E28-2g4m12s