1. ആമുഖം
The EBYTE E32-900T20S is a high-quality, low-energy consumption wireless serial port module (UART) designed for transparent data transmission. It is based on SEMTECH's SX1276 RF chip and utilizes LoRa spread spectrum technology, operating within the 862MHz to 931MHz frequency band. This module offers multiple transmission modes and provides TTL output, making it suitable for various embedded applications requiring long-range, reliable wireless communication.
2 പ്രധാന സവിശേഷതകൾ
- Utilizes SEMTECH SX1276 RF chip.
- LoRa spread spectrum technology for long-range communication.
- Operating frequency range: 862MHz to 931MHz.
- Maximum transmission power: 20dBm.
- Communication distance up to 5.5 km (under ideal conditions).
- UART (TTL) interface for easy integration.
- Supports transparent transmission mode.
- Multiple transmission modes for flexible application.
- Low energy consumption design.
- Compact size: 16mm x 26mm.
- IPEX/stamp hole antenna interface with 50 ohm impedance.
3 സ്പെസിഫിക്കേഷനുകൾ
3.1. പ്രധാന പാരാമീറ്ററുകൾ
| പരാമീറ്റർ | വിവരണം | പരാമർശം |
|---|---|---|
| റഫറൻസിനുള്ള ദൂരം | 5500മീ | ടെസ്റ്റ് അവസ്ഥ: തെളിഞ്ഞതും തുറന്നതുമായ പ്രദേശം, ആന്റിന നേട്ടം: 5dBi, ആന്റിന ഉയരം: 2.5m, എയർ ഡാറ്റ നിരക്ക്: 2.4kbps |
| TX Length | 58Bbyte | സിംഗിൾ പാക്കേജിന്റെ പരമാവധി ശേഷി, കവിഞ്ഞതിന് ശേഷം യാന്ത്രിക സബ്-പാക്കിംഗ്. |
| ബഫർ | 512Bbyte | - |
| മോഡുലേഷൻ | ലോറ ™ | - |
| ആശയവിനിമയ ഇൻ്റർഫേസ് | UART | @3.3V,TTL |
| പാക്കേജ് | എസ്എംഡി | - |
| കണക്റ്റർ | Stamp ദ്വാരം | 1.27 എംഎം സ്പെയ്സിംഗ് |
| വലിപ്പം | 16 * 26 മി.മീ | - |
| ആൻ്റിന | IPEX/stamp ദ്വാരം | 50 ഓം ഇംപെഡൻസ് |
3.2. ഇലക്ട്രിക്കൽ പാരാമീറ്ററുകൾ
| പ്രധാന പാരാമീറ്റർ | മിനി | ടൈപ്പ് ചെയ്യുക. | പരമാവധി | യൂണിറ്റ് | പരാമർശം |
|---|---|---|---|---|---|
| ഓപ്പറേറ്റിംഗ് വോളിയംtage | 2.3 | 5 | 5.5 | V | .5.0 V outputട്ട്പുട്ട് പവർ ഉറപ്പാക്കുന്നു |
| ആശയവിനിമയ നില | - | 3.3 | - | V | 5V ടിടിഎല്ലിനെ സംബന്ധിച്ചിടത്തോളം ഇത് കത്താനുള്ള സാധ്യതയുണ്ട് |
| പ്രവർത്തന താപനില | -40 | - | +85 | °C | വ്യാവസായിക രൂപകൽപ്പന |
| പ്രവർത്തന ആവൃത്തി | 862 | - | 931 | MHz | ISM ബാൻഡിനെ പിന്തുണയ്ക്കുക |
| കറന്റ് കൈമാറുന്നു | - | 120 | - | mA | തൽക്ഷണ വൈദ്യുതി ഉപഭോഗം |
| കറന്റ് സ്വീകരിക്കുന്നു | - | 16 | - | mA | - |
| കറന്റ് ഓഫ് ചെയ്യുക | - | 4 | - | μA | സോഫ്റ്റ്വെയർ അടച്ചുപൂട്ടി |
| Max Tx power | - | 20 | - | dBm | - |
| സംവേദനക്ഷമത സ്വീകരിക്കുന്നു | - | -123 | - | dBm | എയർ ഡാറ്റ നിരക്ക് 2.4kbps ആണ് |
3.3 അളവുകളും പിൻഔട്ടും
Refer to Figure 6 for the pinout. Key pins include:
- വിസിസി: Power supply input (2.3V - 5.5V).
- GND: ഗ്രൗണ്ട്.
- TXD: UART Transmit Data (connect to RXD of microcontroller).
- RXD: UART Receive Data (connect to TXD of microcontroller).
- M0, M1: Mode selection pins for configuring the module's operating mode.
- ഓക്സ്: Auxiliary pin, often used for indicating module status.
- എന്റ്: Antenna connection point (IPEX or stamp hole).
4. സജ്ജീകരണ ഗൈഡ്
Before using the E32-900T20S module, ensure you have the necessary components and follow these steps for proper integration:
- വൈദ്യുതി വിതരണം: Connect the VCC pin to a stable power supply between 2.3V and 5.5V. Connect GND to the system ground. Ensure the power supply can provide sufficient current (up to 120mA during transmission).
- UART Connection:
- Connect the module's TXD pin to the RXD pin of your microcontroller or host device.
- Connect the module's RXD pin to the TXD pin of your microcontroller or host device.
- The communication level is 3.3V TTL. If your host device uses 5V TTL, a level shifter is recommended to prevent damage to the module.
- ആന്റിന കണക്ഷൻ: Attach a 50-ohm impedance antenna to the IPEX connector or solder an antenna to the stamp hole. Ensure the antenna is suitable for the 862-931MHz frequency band.
- Mode Selection (M0, M1): Configure the M0 and M1 pins according to your desired operating mode (e.g., transparent transmission, configuration mode). Refer to the detailed EBYTE datasheet for specific mode configurations.
- സോഫ്റ്റ്വെയർ കോൺഫിഗറേഷൻ: Initialize your microcontroller's UART peripheral with the correct baud rate and other communication parameters to match the module's settings.
It is crucial to ensure all connections are secure and correctly polarized before applying power to avoid damaging the module or host device.
5. പ്രവർത്തന നിർദ്ദേശങ്ങൾ
The E32-900T20S module primarily supports transparent transmission, meaning data sent to its UART input is automatically transmitted wirelessly, and data received wirelessly is output through its UART. The specific operating mode is determined by the M0 and M1 pins.
- പവർ ഓൺ: Apply power to the VCC and GND pins. The module will enter its default or pre-configured operating mode.
- മോഡ് തിരഞ്ഞെടുക്കൽ: Set the M0 and M1 pins to select the desired operating mode. Common modes include:
- സുതാര്യമായ ട്രാൻസ്മിഷൻ മോഡ്: For direct data transfer.
- കോൺഫിഗറേഷൻ മോഡ്: To change parameters like baud rate, air data rate, and channel frequency via AT commands (refer to the full datasheet for command details).
- സ്ലീപ്പ് മോഡ്: For ultra-low power consumption.
- ഡാറ്റ ട്രാൻസ്മിഷൻ: Once in transparent transmission mode, send data to the module's RXD pin via UART. The module will automatically package and transmit this data wirelessly.
- ഡാറ്റ സ്വീകരണം: Data received wirelessly by the module will be output through its TXD pin via UART. Your host device can then read this data.
- Monitoring (AUX Pin): The AUX pin can be used to monitor the module's status, such as whether it is busy transmitting/receiving or in configuration mode.
For advanced configurations and detailed command sets, please consult the official EBYTE E32-900T20S datasheet.
6. പരിപാലനം
The E32-900T20S LoRa module is designed for robust operation with minimal maintenance. Adhering to the following guidelines will help ensure its longevity and reliable performance:
- പരിസ്ഥിതി വ്യവസ്ഥകൾ: Operate the module within its specified operating temperature range (-40°C to +85°C). Avoid exposure to extreme temperatures, high humidity, or corrosive environments.
- ശുചിത്വം: Keep the module free from dust, dirt, and moisture. If cleaning is necessary, use a soft, dry cloth. Do not use liquid cleaners or solvents.
- സ്റ്റാറ്റിക് ഡിസ്ചാർജ്: Handle the module with care, especially in environments prone to static electricity. Use anti-static precautions (e.g., ESD wrist straps) when handling to prevent damage to sensitive electronic components.
- ശാരീരിക സംരക്ഷണം: Protect the module from physical shock or excessive vibration. Ensure it is securely mounted within its intended enclosure.
- കണക്ഷൻ സമഗ്രത: Periodically check all electrical connections (power, UART, antenna) to ensure they remain secure and free from corrosion.
7. പ്രശ്നപരിഹാരം
If you encounter issues with your E32-900T20S LoRa module, consider the following common problems and solutions:
- ആശയവിനിമയം ഇല്ല:
- Verify power supply (VCC and GND) is within the 2.3V-5.5V range and stable.
- Check UART wiring: Ensure TXD is connected to RXD and RXD to TXD between the module and host.
- Confirm UART settings (baud rate, parity, stop bits) on both the module and host device match.
- Ensure the module is not in sleep or configuration mode if transparent transmission is expected. Check M0/M1 pin states.
- If using 5V TTL host, confirm a level shifter is correctly implemented.
- Short Communication Range or Unreliable Connection:
- Check antenna connection: Ensure the antenna is securely attached and has the correct impedance (50 ohm) and frequency band.
- Verify antenna type and placement: Use an appropriate antenna for LoRa applications and ensure it is not obstructed or placed near metallic objects.
- Check power settings: Ensure the module is transmitting at the desired power level (20dBm max).
- Environmental factors: LoRa performance can be affected by obstacles (buildings, terrain) and interference. Test in a clear line-of-sight environment if possible.
- Air data rate: A higher air data rate generally means shorter range. Adjust if necessary.
- മൊഡ്യൂൾ പ്രതികരിക്കുന്നില്ല:
- Perform a power cycle (turn off and on).
- Check if the module is stuck in a specific mode. Try setting M0 and M1 to a known state (e.g., configuration mode) to attempt communication.
- ഓപ്പറേറ്റിംഗ് വോളിയം ഉറപ്പാക്കുകtage is not exceeding 5.5V, which could damage the module.
8 ഉപയോക്തൃ നുറുങ്ങുകൾ
ഒരു പ്രത്യേക ഉപയോക്താവും ഇല്ലെങ്കിലുംviews or Q&A were provided for this manual, here are some general tips for working with LoRa modules:
- Antenna Quality: Invest in a good quality antenna. The antenna is crucial for achieving the advertised communication range.
- വൈദ്യുതി ഉപഭോഗം: For battery-powered applications, utilize the module's sleep modes to significantly reduce power consumption when not actively transmitting or receiving.
- ഇടപെടൽ: Be aware of potential interference from other wireless devices operating in similar frequency bands. Proper shielding and channel selection can help mitigate this.
- Datasheet Reference: Always refer to the official EBYTE E32-900T20S datasheet for the most accurate and detailed information regarding pin functions, register settings, and advanced features.
- കമ്മ്യൂണിറ്റി പിന്തുണ: Many online forums and communities exist for LoRa and embedded wireless modules. These can be valuable resources for specific application questions or troubleshooting.
9. വാറൻ്റിയും പിന്തുണയും
For warranty information, technical support, or further assistance with your EBYTE E32-900T20S LoRa module, please contact the manufacturer, EBYTE, or your authorized reseller. Ensure you retain your proof of purchase for any warranty claims.
Manufacturer: EBYTE
10. ഉൽപ്പന്നം കഴിഞ്ഞുview വീഡിയോ
ഒരു വിഷ്വൽ ഓവറിനായി ഈ വീഡിയോ കാണുകview of the EBYTE E32-900T20S LoRa modules and their packaging.
