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example_output.log
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========================================
Bresser Weather Sensor Frequency Test
========================================
This utility will scan different frequency offsets
to find the optimal setting for your weather sensor.
Base frequency: 868.300 MHz
Scan range: -250 to 250 kHz (868.050 to 868.550 MHz)
Scan step: 25 kHz
Time per frequency: 60 seconds
Make sure your weather sensor is transmitting!
Most sensors transmit every 30-60 seconds.
Starting scan in 5 seconds...
========================================
Scanning Frequencies
========================================
Testing frequency offset: -250 kHz (868.050 MHz) ... No messages received
Testing frequency offset: -225 kHz (868.075 MHz) ... No messages received
Testing frequency offset: -200 kHz (868.100 MHz) ... No messages received
Testing frequency offset: -175 kHz (868.125 MHz) ... No messages received
Testing frequency offset: -150 kHz (868.150 MHz) ... No messages received
Testing frequency offset: -125 kHz (868.175 MHz) ... No messages received
Testing frequency offset: -100 kHz (868.200 MHz) .... Received: 4 messages, RSSI: max=-48.5 dBm, avg=-51.2 dBm
Testing frequency offset: -75 kHz (868.225 MHz) ..... Received: 5 messages, RSSI: max=-46.8 dBm, avg=-49.3 dBm
Testing frequency offset: -50 kHz (868.250 MHz) ....... Received: 7 messages, RSSI: max=-44.2 dBm, avg=-46.8 dBm
Testing frequency offset: -25 kHz (868.275 MHz) ......... Received: 9 messages, RSSI: max=-42.5 dBm, avg=-44.1 dBm
Testing frequency offset: 0 kHz (868.300 MHz) ........... Received: 11 messages, RSSI: max=-40.8 dBm, avg=-42.5 dBm
Testing frequency offset: +25 kHz (868.325 MHz) ............. Received: 13 messages, RSSI: max=-39.2 dBm, avg=-41.0 dBm
Testing frequency offset: +50 kHz (868.350 MHz) ............... Received: 15 messages, RSSI: max=-38.1 dBm, avg=-39.8 dBm
Testing frequency offset: +75 kHz (868.375 MHz) ............. Received: 13 messages, RSSI: max=-39.5 dBm, avg=-41.2 dBm
Testing frequency offset: +100 kHz (868.400 MHz) ........... Received: 11 messages, RSSI: max=-41.0 dBm, avg=-43.5 dBm
Testing frequency offset: +125 kHz (868.425 MHz) ......... Received: 9 messages, RSSI: max=-42.8 dBm, avg=-45.2 dBm
Testing frequency offset: +150 kHz (868.450 MHz) ....... Received: 7 messages, RSSI: max=-45.1 dBm, avg=-47.8 dBm
Testing frequency offset: +175 kHz (868.475 MHz) ..... Received: 5 messages, RSSI: max=-47.5 dBm, avg=-50.1 dBm
Testing frequency offset: +200 kHz (868.500 MHz) .... Received: 4 messages, RSSI: max=-49.2 dBm, avg=-52.0 dBm
Testing frequency offset: +225 kHz (868.525 MHz) ... No messages received
Testing frequency offset: +250 kHz (868.550 MHz) ... No messages received
========================================
Scan Results Summary
========================================
Offset (kHz) | Frequency (MHz) | Messages | Max RSSI (dBm) | Avg RSSI (dBm)
-------------|-----------------|----------|----------------|----------------
-250 | 868.050 | 0 | -200.0 | -200.0
-225 | 868.075 | 0 | -200.0 | -200.0
-200 | 868.100 | 0 | -200.0 | -200.0
-175 | 868.125 | 0 | -200.0 | -200.0
-150 | 868.150 | 0 | -200.0 | -200.0
-125 | 868.175 | 0 | -200.0 | -200.0
-100 | 868.200 | 4 | -48.5 | -51.2
-75 | 868.225 | 5 | -46.8 | -49.3
-50 | 868.250 | 7 | -44.2 | -46.8
-25 | 868.275 | 9 | -42.5 | -44.1
0 | 868.300 | 11 | -40.8 | -42.5
+25 | 868.325 | 13 | -39.2 | -41.0
+50 | 868.350 | 15 | -38.1 | -39.8
+75 | 868.375 | 13 | -39.5 | -41.2
+100 | 868.400 | 11 | -41.0 | -43.5
+125 | 868.425 | 9 | -42.8 | -45.2
+150 | 868.450 | 7 | -45.1 | -47.8
+175 | 868.475 | 5 | -47.5 | -50.1
+200 | 868.500 | 4 | -49.2 | -52.0
+225 | 868.525 | 0 | -200.0 | -200.0
+250 | 868.550 | 0 | -200.0 | -200.0
========================================
Recommendation
========================================
Based on the scan results:
Optimal frequency offset: 0.050 MHz
Optimal frequency: 868.350 MHz
Messages received: 15
Average RSSI: -39.8 dBm
To use this frequency offset in your sketch:
ws.begin(1, true, 0.050);
Scan complete. Reset device to run another scan.