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Description
Characteristics
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Description
Summary
The turnkey Turtle board solution can be used immediately. Support standard LoRaWAN protocol and RadioShuttle protocol. The included RadioShuttle radio protocol software enables node-to-node communication without additional routers and servers. The Turtle LoRa board by HelTec Automation can run 10 years on AAA batteries (standard or rechargeable NiMH) using the “RadioShuttle” LoRa wireless low-energy protocol software.
Main Features
- CE Certificate;
- Microprocessor: STM32L432KC (32-bit ultra-low power MCU) with LoRa node chip SX1276;
- Micro USB interface with complete protection measures such as voltage regulation, ESD protection, and short circuit protection;
- Onboard AAA x 2 battery holder, USB / battery power automatically switch;
- Reserve IPEX and SMA antenna interfaces for LoRa use;
- Programming and debugging interface can be combined with our downloader
- Support DFU protocol, which can be downloaded conveniently via USB (combined with “RadioShuttle STM32 Utility”)
- Professional software support (ARM Mbed IDE);
- Provide Standard LoRaWAN protocol routines;
- Good RF circuit design and perfect low-power design (sleep current: 4uA), which is convenient for IoT application vendors to quickly verify solutions and deploy applications;
Specifications
| Parameters | Description | Master Chip | STM32L432KC(Ultra-low-power 32-bit MCU+FPU ARM® Cortex®-M4) |
|---|---|
| LoRa Chipset | SX1276 |
| Frequency | 470~510MHz, 863~928MHz |
| Max. TX Power | 19 ± 1dBm |
| Max. Receiving sensitivity | -135dBm |
| Operating temperature | -20 ~ 70 ℃ |
| Dimensions | 73.5 x 31.5 x 24 mm |
| Interface | Micro USB x 1; LoRa Antenna interface(SMA) x 1; 14 x 2.54 pin x 2+4 x 2.54 pin x 2(Debug interface) |
| Hardware Resource | USART x 3; SPI x 2; I2C x 2; SAI x 1; 12-bits ADC input x 1; 12-bits DAC output x 2; GPIO x 18 |
| Memory | 256KB internal FLASH; 64KB internal SRAM |
| Battery | AAA Lithium x 2 |
Description
Pin Map
High light
Docs & Resource
- [Resource] — Datasheet
- [Docs] — User Manual
- [Resource] —Downloadable Resource
Packing list
The default packing list without selecting any accessories is as follows:
| Item | Quantity |
|---|---|
| Turtle Board | x1 |
| Glue Rod Antenna | x1 |
| Pin Map Sticker | x1 |
Characteristics
| Weight | 40 g |
|---|---|
| Dimensions | 8 × 6 × 3.2 cm |
| LoRa Band | 433MHz, 470~510MHz, 863~870MHz, 902~928MHz |
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Turtle Board
What's this?
The turnkey Turtle board solution can be used immediately. Support standard LoRaWAN protocol and RadioShuttle protocol.
$41.00
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