Tasmota: PZEM004T and display

Created on 27 Jan 2019 · 9Comments · Source: arendst/Tasmota

hi, is there PZEM004T support in the DISPLAY precompiled firmware? I'd like to add a 1602 i2c display to show actual values of the PZEM004T sensor...

or, how to know what features are enabled in standard precompiled firmwares?
Thanks

question

Source

fragolinux

All 9 comments

What about reading release notes?

Jason2866 on 27 Jan 2019

What about reading release notes?

did you? Already checked, of course, and there's no reference on what's included in DISPLAY edition, in RN...

anyway, i flashed the display edition and setting the device as generic i can see that i can select pzem rx and tx, so i'll try this afternoon and eventually close this issue

fragolinux on 27 Jan 2019

nope, no pzem info in main page, even if setup as such:

this is status 0 output

13:40:36 CMD: status 0
13:40:36 RSL: stat/sonoff/STATUS = {"Status":{"Module":18,"FriendlyName":["Sonoff"],"Topic":"sonoff","ButtonTopic":"0","Power":1,"PowerOnState":3,"LedState":1,"SaveData":1,"SaveState":1,"SwitchTopic":"0","SwitchMode":[0,0,0,0,0,0,0,0],"ButtonRetain":0,"SwitchRetain":0,"SensorRetain":0,"PowerRetain":0}}
13:40:36 RSL: stat/sonoff/STATUS1 = {"StatusPRM":{"Baudrate":115200,"GroupTopic":"sonoffs","OtaUrl":"http://thehackbox.org/tasmota/release/sonoff-IT.bin","RestartReason":"Software/System restart","Uptime":"0T00:00:19","StartupUTC":"2019-01-27T12:40:17","Sleep":50,"BootCount":17,"SaveCount":39,"SaveAddress":"FB000"}}
13:40:36 RSL: stat/sonoff/STATUS2 = {"StatusFWR":{"Version":"6.4.1(display)","BuildDateTime":"2018-12-24T14:47:48","Boot":12,"Core":"2_4_2","SDK":"2.2.1(cfd48f3)"}}
13:40:36 RSL: stat/sonoff/STATUS3 = {"StatusLOG":{"SerialLog":0,"WebLog":2,"SysLog":0,"LogHost":"","LogPort":514,"SSId":["Shark-HOME2","SharkAzzo2"],"TelePeriod":300,"SetOption":["00008009","558180C0","00000000"]}}
13:40:36 RSL: stat/sonoff/STATUS4 = {"StatusMEM":{"ProgramSize":504,"Free":496,"Heap":20,"ProgramFlashSize":1024,"FlashSize":4096,"FlashChipId":"1640EF","FlashMode":3,"Features":["00000809","0FAAA59C","00038FA0","23B617CA","00003BC0"]}}
13:40:36 RSL: stat/sonoff/STATUS5 = {"StatusNET":{"Hostname":"sonoff-2375","IPAddress":"192.168.1.241","Gateway":"192.168.1.1","Subnetmask":"255.255.255.0","DNSServer":"192.168.1.1","Mac":"5C:CF:7F:C8:89:47","Webserver":2,"WifiConfig":4}}
13:40:36 RSL: stat/sonoff/STATUS6 = {"StatusMQT":{"MqttHost":"","MqttPort":1883,"MqttClientMask":"DVES_%06X","MqttClient":"DVES_C88947","MqttUser":"DVES_USER","MqttType":1,"MAX_PACKET_SIZE":1000,"KEEPALIVE":15}}
13:40:36 RSL: stat/sonoff/STATUS7 = {"StatusTIM":{"UTC":"Sun Jan 27 12:40:36 2019","Local":"Sun Jan 27 13:40:36 2019","StartDST":"Sun Mar 31 02:00:00 2019","EndDST":"Sun Oct 27 03:00:00 2019","Timezone":"+01:00","Sunrise":"08:27","Sunset":"17:38"}}
13:40:36 RSL: stat/sonoff/STATUS10 = {"StatusSNS":{"Time":"2019-01-27T13:40:36"}}
13:40:36 RSL: stat/sonoff/STATUS11 = {"StatusSTS":{"Time":"2019-01-27T13:40:36","Uptime":"0T00:00:19","Vcc":2.952,"SleepMode":"Dynamic","Sleep":50,"LoadAvg":76,"POWER":"ON","Wifi":{"AP":1,"SSId":"Shark-HOME2","BSSId":"C4:EA:1D:0C:19:51","Channel":8,"RSSI":100}}}

fragolinux on 27 Jan 2019

while just switching from the DISPLAY edition to the standard (IT version) one, the pzem appeared on main page... so it seems i just need to compile my own firmware with both display and pzem support :)

fragolinux on 27 Jan 2019

@fragolinux Correct!

To make the display binary as small as possible (prefferably < 500k) I remove the ENERGY_SENSOR functionality. You can find this in file sonoff_post.h lines 225 - 248

arendst on 27 Jan 2019

@fragolinux Correct!

To make the display binary as small as possible (prefferably < 500k) I remove the ENERGY_SENSOR functionality. You can find this in file sonoff_post.h lines 225 - 248

why the display firmware allows selecting a not included device, anyway? Firmwares list any supported device in their combo boxes, even though not compiled in the installed version? Thanks, i'll post my setup once completed :)

fragolinux on 27 Jan 2019

why the display firmware allows selecting a not included device, anyway? Firmwares list any supported device in their combo boxes, even though not compiled in the installed version?

That's a matter of admin. I will add the (un)defines to solve this.

arendst on 27 Jan 2019

👍1

adding photo so i'll create a wiki page with project