Avoimen lähdekoodin hajautettu mesh-verkko, joka on suunniteltu toimimaan vähän virtaa kuluttavilla laitteilla
Heltec mesh Node T114
Specifications
- MCU: nRF52840
- LoRa Node Chip: SX1262
- Frequency: 470~510MHz, 863~870MHz and 902~928MHz
- Max. TX Power: 21±1dBm
- Max. Receiving sensitivity: -135dBm@SF12 BW=125KHz
- Bluetooth: Bluetooth LE: Bluetooth 5, Bluetooth mesh
- Hardware Resource: USB 2.0, 4 * SPI, 2 * TWI, 2 * UART, 4 * PWM, QPSI, 12S, PDM, QDEC Etc.
- Memory: 1M ROM and 256KB SRAM
- Battery: 3~4.2V battery power supply and charge.
- Operating Temperature: -20 ~ 70℃
- Dimensions: 50.80*22.86mm
- Display: onboard 1.14 inch TFT-LCD display
Interface
- Type-C USB
- 2*1.25 lithium battery connector
- 2*1.25 solar panel connector
- LoRa ANT (IPEX1.0)
- 8*1.25 GPS module connector
- 2*13*2.54 Header Pin
Electrical characteristics
- Deep Sleep: ~11uA
- Tracker mode sleep: ~22uA
- GPS OFF, TFT OFF: ~9mA
- GPS OFF, TFT ON: ~20mA
- GPS ON, TFT ON: ~51mA