E73-2G4M08S1E E73-2G4M08S1E Small Size nRF52833 BLE5.1 Ble Mesh Thread Zigbee Multi-protocol Wireless Module IOT Communication Module
[IC]：nRF52833
[Frequency]：2.360~2.500GHz
[Protocol]：BLE5.1/Zigbee
[Distance]：120m
[Size]：13.0*18.0mm
[Weight]：1.0±0.1g
[Introduction]：E73-2G4M08S1E is a small-sized, low-power multi-protocol module developed by Ebyte. It adopts the original imported nRF52833 radio frequency chip from Nordic, supports Bluetooth 5.1, Ble mesh, Thread, Zigbee; This chip comes with a high-performance ARM CORTEX-M4 core.
| Pin No. | Item | Corresponding chip pin item | Direction | Description |
| 1 | P1.11 | B19 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 2 | P1.10 | A20 | Common I/O | Low frequency I0: standard drive |
| 3 | P0.03 | B13 | Common I/O | Analog input 1, low frequency I /O, standard drive. |
| 4 | AI4 | Bll | Common I/O | Analog input 4 |
| 5 | GND | - | - | Single ground line, connect to the power reference ground. |
| 6 | P1.13 | A16 | Common I/O | Low frequency I0: standard drive |
| 7 | AI0 | A12 | Common I/O | Analog input 0, low frequency I /O. standard drive. |
| 8 | AI5 | A10 | Common I/O | Analog input 5, low frequency I /O standard drive. |
| 9 | AI7 | A8 | Common I/O | Analog input 7, low frequency I /O standard drive. |
| 10 | AI6 | B9 | Common I/O | Analog input 6; low frequency I /O: standard drive. |
| 11 | XL1 | D2 | Common I/O | Connect to 32.768 kHz crystal |
| 12 | P0.26 | G1 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 13 | XL2 | F2 | Common I/O | Connect to 32.76S kHz crystal |
| 14 | P0.06 | LI | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 15 | AI3 | K2 | Common I/O | Analog input 3 |
| 16 | P0.0S | N1 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 17 | P1.09 | RI | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 18 | AI2 | JI | Common I/O | Analog input 2 |
| 19 | vcc | - | - | Power supply |
| 20 | P12 | UI | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 21 | GND | - | - | Ground line, connect to the power reference ground |
| 22 | P0.07 | M2 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 23 | VDH | VDDH | - | High voltage power supply |
| 24 | GND | - | - | Ground line, connect to the power reference ground |
| 25 | DCH | DCCH | - | DC. DC converter output |
| 26 | RST | P0.18. RESET | Common I/O | QSPL CSN. external reset |
| 27 | VBS | VBUS | - | USB power supply, 5W input, used to USB3.3V voltage regulator |
| 28 | P15 | AD10 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 29 | D- | D- | - | USB D- |
| 30 | P17 | AD12 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 31 | D+ | D+ | - | USB D+ |
| 32 | P0.20 | AD16 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 33 | P0.13 | ADS | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 34 | P0.22 | AD18 | Common I/O | QSPI |
| 35 | P0.24 | AD20 | Common I/O | - |
| 36 | P1.00 | AD22 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 37 | SWD | SWDIO | - | Serial debug programming port clock |
| 38 | Pl.02 | Pl.02 | Common I/O | See details about nrf52833 datasheet on Nordic website |
| 39 | SWC | AC24 | - | Serial debug programming port clock |
| 40 | Pl.04 | U24 | Common I/O | Low frequency I/O. standard drive |
| 41 | NF1 | L24 | Common I/O | NFC input |
| 42 | P1.06 | R24 | Common I/O | Low frequency I/O, standard drive |
| 43 | NF2 | J24 | Common I/O | NFC input |