E73-2G4M04S1B Low Energy 2.4GHz BLE5.0 NRF52832 Module Low Voltage Transmitter Module
[IC]：nRF52832
[Frequency]：2.379~2.496GHz
[Protocol]：BLE 4.2/5.0
[Distance]： 0.1km
[Interface]：SoC
[Weight]：1.8±0.1g
[Introduction]：E73-2G4M04S1B is a hardware platform without firmware, so users need to conduct secondary development.For more details about nRF52832, please refer to the official datasheet. This module has maximized the RF Characteristic of chip. Built in 32.768K real-time clock crystal oscillator for self-programmed.
| Pin No | Pin item | Pin direction | Pin application |
|---|---|---|---|
| 0 | GND | Input | Ground electrode, connect to reference ground of power |
| 1 | GND | Input | Ground electrode, connect to reference ground of power |
| 2 | GND | Input | Ground electrode, connect to reference ground of power |
| 3 | DEC2 | - | MCU GPIO |
| 4 | DEC3 | - | MCU GPIO |
| 5 | P0.25 | Input/Output | MCU GPIO |
| 6 | P0.26 | Input/Output | MCU GPIO |
| 7 | P0.27 | Input/Output | MCU GPIO |
| 8 | P0.28 | Input/Output | MCU GPIO |
| 9 | P0.29 | Input/Output | MCU GPIO |
| 10 | P0.30 | Input/Output | MCU GPIO |
| 11 | P0.31 | Input/Output | MCU GPIO |
| 12 | DEC4 | - | MCU GPIO |
| 13 | DCC | - | MCU GPIO |
| 14 | DEC1 | - | MCU GPIO |
| 15 | GND | Input | Ground electrode, connect to reference ground of power |
| 16 | VCC | Input | Power supply 1.8 ~ 3.6V DC（Note: The voltage higher 3.6V is forbidden） |
| 17 | P0.02 | Input/Output | MCU GPIO |
| 18 | P0.03 | Input/Output | MCU GPIO |
| 19 | P0.04 | Input/Output | MCU GPIO |
| 20 | P0.05 | Input/Output | MCU GPIO |
| 21 | P0.06 | Input/Output | MCU GPIO |
| 22 | P0.07 | Input/Output | MCU GPIO |
| 23 | P0.08 | Input/Output | MCU GPIO |
| 24 | P0.09 | Input/Output | MCU GPIO |
| 25 | P0.10 | Input/Output | MCU GPIO |
| 26 | P0.11 | Input/Output | MCU GPIO |
| 27 | P0.12 | Input/Output | MCU GPIO |
| 28 | P0.13 | Input/Output | MCU GPIO |
| 29 | P0.14 | Input/Output | MCU GPIO |
| 30 | P0.15 | Input/Output | MCU GPIO |
| 31 | P0.16 | Input/Output | MCU GPIO |
| 32 | P0.17 | Input/Output | MCU GPIO |
| 33 | P0.18 | Input/Output | MCU GPIO |
| 34 | P0.19 | Input/Output | MCU GPIO |
| 35 | P0.20 | Input/Output | MCU GPIO |
| 36 | P0.21 | Input/Output/RST | MCU GPIO |
| 37 | SWDCLK | Input | MCU GPIO |
| 38 | SWDIO | Input | MCU GPIO |
| 39 | P0.22 | Input/Output | MCU GPIO |
| 40 | P0.23 | Input/Output | MCU GPIO |
| 41 | P0.24 | Input/Output | MCU GPIO |
| 42 | GND | Input | Ground electrode, connect to power reference ground |
| 43 | GND | Input | Ground electrode, connect to power reference ground |