Resetting RFM98W Project


Start over
I’ve prepared a plan to start over and rebuild this RFM98W-433S2 project cleanly from scratch.
  • We’ll reset the current schematic/layout, then recreate the module symbol and all pins, add labeled ports, and run ERC/DRC.
  • Metadata (MPN, datasheet URL, description) will be preserved.
Before we begin:
  1. Do you want me to reset this project, or create a new clean copy?
  2. Keep the existing project description as-is?
  3. Any specific interface ports you want added beyond SPI, DIO0–DIO5, RESET, ANT, 3.3V, and GND?
Click Start on the plan bar when ready.
Reset this project
New clean copy
Add a header port
Only DIO0/DIO1
Antenna connector choice

https://www.rcscomponents.kiev.ua/modules/Asers\_Shop/images/productimages/rfm98...

The RFM95/96/97/98(W) transceivers feature the
LoRaTM long range modem that provides ultra-long range
spread spectrum communication and high interference
immunity whilst minimising current consumption.
Using Hope RF’s patented LoRaTM modulation technique
RFM95/96/97/98(W) can achieve a sensitivity of over -
148dBm using a low cost crystal and bill of materials. The
high sensitivity combined with the integrated +20 dBm
power amplifier yields industry leading link budget
making it optimal for any application requiring range or
robustness. LoRaTM also provides significant advantages in
both blocking and selectivity over conventional modulation
techniques, solving the traditional design compromise
between range, interference immunity and energy
consumption.
These devices also support high performance (G)FSK
modes for systems including WMBus, IEEE802.15.4g. The
RFM95/96/97/98(W) deliver exceptional phase noise,
selectivity, receiver linearity and IIP3 for significantly
lower current consumption than competing devices.
5y

rfm98w-433s2 -images.jpg

https://www.rcscomponents.kiev.ua/modules/Asers_Shop/images/productimages/rfm98w-433s2%20-images.jpg
5y
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1
explain this project.

@copilot explain this project.
2y
This project involves designing a circuit with the RFM98W-433S2, a low-power, long-range transceiver module. The module operates in the 433 MHz frequency band and supports a range of bandwidths $7.8$ kHz to $500$ kHz and spreading factors $SF6$ to $SF12$, making it suitable for various LoRa applications. Its sensitivity ranges from -$111$ to -$148$ dBm, indicating its ability to detect weak signals, which is crucial for long-range communication. The module interfaces with microcontrollers or other systems through SPI and parallel connections and comes in both SMD-16 and DIP-16 packages, making it versatile for different types of PCB layouts.
Here are the key components and properties mentioned for your project:
  • RFM98W-433S2 Transceiver Module: The core component for the RF (Radio Frequency) and LoRa (Long Range) wireless communication capabilities.
  • Pins and their Designators:
    • GND (Ground): Pins 1, 8, 10. The common reference point for the electrical current in the circuit.
    • MISO (Master In Slave Out): Pin 3, 2. Used for SPI (Serial Peripheral Interface) communication, carrying data from the module to the microcontroller.
    • NSS (Chip Select/Slave Select): Pin 5. Enables and disables the device on the SPI bus.
    • 3.3V: Pin 13. Power supply pin for the module.
    • DIO0 to DIO5 (Digital Input/Output): Pins 14, 11, 16, 7, 15, 12. General purpose I/O pins used for various functions like interrupt signals.
    • ANT (Antenna): Pin 9. Connects to the antenna for RF transmission and reception.
    • RESET: Pin 6. Used to reset the module.
    • SCK (Serial Clock): Pin 4. Provides timing for SPI communication.
  • Additional Properties:
    • The project is licensed under the Creative Commons Attribution 4.0 International License.
    • Component designators follow a specific prefix "U" for identifying parts.
    • The manufacturer for the module is Hoperf Electronics.
No electrical connections have been defined in the project yet, so the next step would be to layout these components on a PCB and establish the necessary connections for power, ground, SPI communication (MISO, SCK, NSS), configuring the DIO pins according to specific needs, and connecting the antenna.
This setup could potentially be used for a wide variety of applications requiring remote communication over long distances, such as environmental monitoring, home automation, and IoT (Internet of Things) deployments.
2y
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GND
MISO
NSS
3.3V
DIO0
DIO3
DIO2
MISO
GND
DIO5
ANT
GND
RESET
DIO1
DIO4
SCK

RFM98W-433S2