This is what I see when I connect USB from Pi to EmonTx:
OpenEnergyMonitor.org
2024-02-01 21:07:48,985 DEBUG USB0 No EEPROM config
2024-02-01 21:07:49,088 DEBUG USB0 Settings:
2024-02-01 21:07:49,192 DEBUG USB0 Band 433 MHz, Group 210, Node 17, 7 dBm
2024-02-01 21:07:49,294 DEBUG USB0 Calibration:
2024-02-01 21:07:49,397 DEBUG USB0 vCal = 807.86
2024-02-01 21:07:49,499 DEBUG USB0 assumedV = 240.00
2024-02-01 21:07:49,602 DEBUG USB0 i1Cal = 300.30
2024-02-01 21:07:49,704 DEBUG USB0 i1Lead = 3.20
2024-02-01 21:07:49,806 DEBUG USB0 i2Cal = 150.15
2024-02-01 21:07:49,908 DEBUG USB0 i2Lead = 3.20
2024-02-01 21:07:50,010 DEBUG USB0 i3Cal = 150.15
2024-02-01 21:07:50,112 DEBUG USB0 i3Lead = 3.20
2024-02-01 21:07:50,214 DEBUG USB0 i4Cal = 60.06
2024-02-01 21:07:50,317 DEBUG USB0 i4Lead = 3.20
2024-02-01 21:07:50,419 DEBUG USB0 i5Cal = 60.06
2024-02-01 21:07:50,521 DEBUG USB0 i5Lead = 3.20
2024-02-01 21:07:50,623 DEBUG USB0 i6Cal = 60.06
2024-02-01 21:07:50,726 DEBUG USB0 i6Lead = 3.20
2024-02-01 21:07:50,828 DEBUG USB0 datalog = 9.80
2024-02-01 21:07:50,930 DEBUG USB0 pulses = 1
2024-02-01 21:07:51,032 DEBUG USB0 pulse period = 100
2024-02-01 21:07:51,134 DEBUG USB0 RF on
2024-02-01 21:07:51,242 DEBUG USB0 temp_enable = 1
2024-02-01 21:07:51,344 DEBUG USB0 JSON Format Off
2024-02-01 21:07:51,448 DEBUG USB0 RFM69CW Freq: 433MHz Group: 210 Node: 17
2024-02-01 21:07:51,551 DEBUG USB0 RadioFormat: LowPowerLabs
2024-02-01 21:07:51,655 DEBUG USB0 Reference voltage calibration: 1.0263
2024-02-01 21:07:51,759 DEBUG USB0 Temperature Sensors found = 0 of 3
2024-02-01 21:07:51,862 DEBUG USB0 Temperature measurement is enabled.
2024-02-01 21:07:52,068 DEBUG USB0 No temperature sensors detected, disabling temperature
2024-02-01 21:07:52,172 DEBUG USB0 AC present - Real Power calc enabled
2024-02-01 21:07:52,280 DEBUG USB0 ---------------------------------------------------------------------
2024-02-01 21:07:53,281 DEBUG USB0 Config format: new
2024-02-01 21:07:55,383 DEBUG USB0 ---------------------------------------------------------------------
2024-02-01 21:08:01,436 DEBUG USB0 40 NEW FRAME : MSG:2,Vrms:195.47,P1:-1,P2:0,P3:0,P4:0,P5:0,P6:0,E1:0,E2:0,E3:0,E4:0,E5:0,E6:0,pulse:0
2024-02-01 21:08:01,436 DEBUG USB0 40 Timestamp : 1706821681.435327
2024-02-01 21:08:01,437 DEBUG USB0 40 From Node : emonTx4
2024-02-01 21:08:01,437 DEBUG USB0 40 Values : [2, 195.47, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
2024-02-01 21:08:01,438 DEBUG USB0 40 Sent to channel(start)’ : ToEmonCMS
2024-02-01 21:08:01,438 DEBUG USB0 40 Sent to channel(end)’ : ToEmonCMS
2024-02-01 21:08:01,549 INFO MQTT Connecting to MQTT Server
2024-02-01 21:08:01,607 DEBUG emoncmsorg Buffer size: 1
2024-02-01 21:08:01,652 INFO MQTT connection status: Connection successful
2024-02-01 21:08:01,653 DEBUG MQTT CONACK => Return code: 0
2024-02-01 21:08:01,755 INFO MQTT on_subscribe
2024-02-01 21:08:11,208 DEBUG USB0 41 NEW FRAME : MSG:3,Vrms:195.44,P1:0,P2:1,P3:0,P4:0,P5:0,P6:0,E1:0,E2:0,E3:0,E4:0,E5:0,E6:0,pulse:0
2024-02-01 21:08:11,209 DEBUG USB0 41 Timestamp : 1706821691.208169
2024-02-01 21:08:11,210 DEBUG USB0 41 From Node : emonTx4
2024-02-01 21:08:11,210 DEBUG USB0 41 Values : [3, 195.44, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.0]
2024-02-01 21:08:11,211 DEBUG USB0 41 Sent to channel(start)’ : ToEmonCMS
2024-02-01 21:08:11,211 DEBUG USB0 41 Sent to channel(end)’ : ToEmonCMS
2024-02-01 21:08:11,502 DEBUG MQTT Publishing: emon/emonTx4/MSG 3
2024-02-01 21:08:11,503 DEBUG MQTT Publishing: emon/emonTx4/Vrms 195.44
2024-02-01 21:08:11,504 DEBUG MQTT Publishing: emon/emonTx4/P1 0
2024-02-01 21:08:11,506 DEBUG MQTT Publishing: emon/emonTx4/P2 1
2024-02-01 21:08:11,507 DEBUG MQTT Publishing: emon/emonTx4/P3 0
2024-02-01 21:08:11,508 DEBUG MQTT Publishing: emon/emonTx4/P4 0
2024-02-01 21:08:11,509 DEBUG MQTT Publishing: emon/emonTx4/P5 0
2024-02-01 21:08:11,511 DEBUG MQTT Publishing: emon/emonTx4/P6 0
2024-02-01 21:08:11,512 DEBUG MQTT Publishing: emon/emonTx4/E1 0
2024-02-01 21:08:11,513 DEBUG MQTT Publishing: emon/emonTx4/E2 0
2024-02-01 21:08:11,515 DEBUG MQTT Publishing: emon/emonTx4/E3 0
2024-02-01 21:08:11,516 DEBUG MQTT Publishing: emon/emonTx4/E4 0
2024-02-01 21:08:11,517 DEBUG MQTT Publishing: emon/emonTx4/E5 0
2024-02-01 21:08:11,518 DEBUG MQTT Publishing: emon/emonTx4/E6 0
2024-02-01 21:08:11,519 DEBUG MQTT Publishing: emon/emonTx4/pulse 0
2024-02-01 21:08:11,520 DEBUG MQTT Publishing: emon/emonTx4/missed 0
2024-02-01 21:08:11,522 DEBUG MQTT Publishing: emon/emonTx4/missedprc 0.0
2024-02-01 21:08:11,523 INFO MQTT Publishing ‘node’ formatted msg
2024-02-01 21:08:11,523 DEBUG MQTT Publishing: emonhub/rx/emonTx4/values 3,195.44,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0.0
2024-02-01 21:08:20,988 DEBUG USB0 42 NEW FRAME : MSG:4,Vrms:195.44,P1:0,P2:1,P3:0,P4:0,P5:0,P6:0,E1:0,E2:0,E3:0,E4:0,E5:0,E6:0,pulse:0
2024-02-01 21:08:20,989 DEBUG USB0 42 Timestamp : 1706821700.988244
2024-02-01 21:08:20,990 DEBUG USB0 42 From Node : emonTx4
2024-02-01 21:08:20,990 DEBUG USB0 42 Values : [4, 195.44, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.0]
2024-02-01 21:08:20,991 DEBUG USB0 42 Sent to channel(start)’ : ToEmonCMS
2024-02-01 21:08:20,992 DEBUG USB0 42 Sent to channel(end)’ : ToEmonCMS
2024-02-01 21:08:21,213 DEBUG MQTT Publishing: emon/emonTx4/MSG 4
2024-02-01 21:08:21,214 DEBUG MQTT Publishing: emon/emonTx4/Vrms 195.44
2024-02-01 21:08:21,215 DEBUG MQTT Publishing: emon/emonTx4/P1 0
2024-02-01 21:08:21,216 DEBUG MQTT Publishing: emon/emonTx4/P2 1
2024-02-01 21:08:21,217 DEBUG MQTT Publishing: emon/emonTx4/P3 0
2024-02-01 21:08:21,218 DEBUG MQTT Publishing: emon/emonTx4/P4 0
2024-02-01 21:08:21,219 DEBUG MQTT Publishing: emon/emonTx4/P5 0
2024-02-01 21:08:21,221 DEBUG MQTT Publishing: emon/emonTx4/P6 0
2024-02-01 21:08:21,222 DEBUG MQTT Publishing: emon/emonTx4/E1 0
2024-02-01 21:08:21,223 DEBUG MQTT Publishing: emon/emonTx4/E2 0
2024-02-01 21:08:21,224 DEBUG MQTT Publishing: emon/emonTx4/E3 0
2024-02-01 21:08:21,225 DEBUG MQTT Publishing: emon/emonTx4/E4 0
2024-02-01 21:08:21,226 DEBUG MQTT Publishing: emon/emonTx4/E5 0
2024-02-01 21:08:21,227 DEBUG MQTT Publishing: emon/emonTx4/E6 0
2024-02-01 21:08:21,228 DEBUG MQTT Publishing: emon/emonTx4/pulse 0
2024-02-01 21:08:21,229 DEBUG MQTT Publishing: emon/emonTx4/missed 0
2024-02-01 21:08:21,230 DEBUG MQTT Publishing: emon/emonTx4/missedprc 0.0
2024-02-01 21:08:21,231 INFO MQTT Publishing ‘node’ formatted msg
2024-02-01 21:08:21,232 DEBUG MQTT Publishing: emonhub/rx/emonTx4/values 4,195.44,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0.0