Features
■ CMWX1ZZABZ-091 LoRa® module (Murata) – Embedded ultra-low-power STM32L072CZ Series MCUs, based on ARM®Cortex® -M0+ core, with 192 Kbytes of Flash memory, 20 Kbytes of RAM, 20 Kbytes of EEPROM – USB 2.0 FS – 4-channel,12-bit ADC, 2xDAC – 6-bit timers, LP-UART, I2C and SPI – Embedded SX1276 transceiver – LoRa®, FSK, GFSK, MSK, GMSK and OOK modulations – +14 dBm or +20 dBm selectable output power – 157 dB maximum link budget – Programmable bit rate up to 300 Kbit/s – High sensitivity: down to -137 dBm – Bullet-proof front end: IIP3 = -12.5 dBm – 89 dB blocking immunity – Low RX current of 10 mA, 200 nA register retention – Fully integrated synthesizer with a resolution of 61 Hz – Built-in bit synchronizer for clock recovery – Sync word recognition – Preamble detection – 127 dB+ dynamic range RSSI
■ SMA and U.FL RF interface connectors
■ Including 50 Ohm SMA RF antenna
■ On-board ST-LINK/V2-1 supporting USB re-enumeration capability
■ USB ST-LINK functions: – Virtual COM port – Mass storage – Debug port 1. Picture is not contractual.
■ Board power supply: – Through USB bus or external VIN/3.3 V supply voltage or batteries
■ 3xAAA-type-battery holder for standalone operation
■ 7 LEDs: – 4 general-purpose LEDs – A 5 V-power LED – An ST-LINK-communication LED – A fault-power LED
■ 2 push-buttons (user and reset)
■ Arduino™ Uno V3 connectors
■ ARM® mbed™ (see http://mbed.org)