One of our in-house breakout boards designed for the Ra series of Ai-Thinker LoRa modules. This board features an original Ai-Thinker Ra-02 module, 2.54 mm pitch breakout pins, a 50-ohm antenna trace, and an M2 mounting hole in case you need it.
We are continuously looking to update and improve our designs, and we’d love to get your feedback on this board – please reach out through any of our contact channels to let us know what you think.
Features / Specs
- Module: Ai Thinker Ra-02
- Breakout Board: Make Electronics RA-0XXX REV0.1
- Antenna Connection: Male IPEX MHF-I Socket
- RF Transceiver: Semtech SX1278
- Operating Voltage Range: 2.5 – 3.7 VDC
- Receive Current (Typical): 12.15 mA
- Transmit Current (Typical): 93 mA @ 433 MHz
- Standby Current (Typical): 1.6 mA
- Communication Interface: SPI
- Frequency Range: 410 – 525 MHz
- Receive Sensitivity: As low as -141 dBm
- Transmit Power (Max): +18 dBm ±1 dBm
- Bit Rate: Programmable up to 300 kbps
- Modulation Types: FSK, GFSK, MSK, GMSK, LoRa and OOK
- Notable Features: Excellent blocking immunity and additional shielding
- Operating Temperature: -30 °C to +85 °C
- Storage Temperature: -40 °C to +90 °C, <90% RH
- Certifications: REACH / RoHS
- Module Package: SMD-16
- Dimensions (L x W x H): ~(27.94 x 24.13 x 5 mm)
- Header Pin Pitch: 2.54 mm
- Spacing Between Pin Rows (Pin Centre to Centre): ~22.86 mm
- Mounting Hole Diameter: 2.1 mm
Pin Description
| Pin | Function |
|---|---|
| ANT | Not used |
| GND | Ground |
| VCC | Supply Voltage (3.0 – 3.3 VDC) |
| RST | Reset Input |
| TXE | Digital IO 0 |
| D1 | Digital IO 1 |
| D2 | Digital IO 2 |
| D3 | Digital IO 3 |
| GND | Ground |
| BSY | Digital IO 4 |
| RXE | Digital IO 5 |
| SCK | SPI Serial Clock |
| MIS | SPI Serial Data Output (MISO) |
| MOS | SPI Serial Data Input (MOSI) |
| NSS | SPI Chip Select Input |
| GND | Ground |
