E73-2G4M04S1BX Nordic nRF52832 ble Wireless Module BLE4.2 BLE5.0 2.4G Rf Receiver And Transmitter Module With IPEX Antenna Interface
[IC]：nRF52832
[Frequency]：2.379~2.496GHz
[Protocol]：BLE 4.2/5.0
[Distance]：100m
[Size]：17.5*23.5mm
[Product weight]：2.1g±0.1g
[Antenna]：IPEX
[Introduction]：E73-2G4M04S1BX is a small volume chip BLE module independently developed based on nrf52832 chip of Nordic of Norway. It adopts 32mhz industrial crystal oscillator to ensure its industrial characteristics and stable performance.
Official Store
| No. | Pin | Pin direction | Description |
|---|---|---|---|
| 0 | GND | Input | Ground, connected to reference ground of power |
| 1 | GND | Input | Ground, connected to reference ground of power |
| 2 | GND | Input | Ground, connected to reference ground of power |
| 3 | DEC2 | - | 1.3 V digital power decoupling regulator (see chip manual for details) |
| 4 | DEC3 | - | Power supply decoupling (see chip manual for details) |
| 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 | - | Power supply decoupling (see chip manual for details Input from DC/DC regulator, output from 1.3 V LDO) |
| 13 | DCC | - | DC / DC regulator output (see chip manual for details) |
| 14 | DEC1 | - | 0.9 V digital power decoupling regulator (see chip manual for details) |
| 15 | GND | Input | MCU GPIO |
| 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 | Serial Line Debugging / Clock Input Debugging and Programming |
| 38 | SWDIO | Input | Serial line debugging and programming debugging |
| 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, connected to reference ground of power |
| 43 | GND | Input | Ground, connected to reference ground of power |