1 01 2023

printf “0x%x” $(( 18446744073709397316 )) output: 0xfffffffffffda544 then: printf “%d” $(( 0xfffffffffffda544 )) output: -154300 short versions: printf “%d” $(( 18446744073709397316 )) echo $(( 18446744073709397316 )) output: -154300 -154300

12 11 2022

KOSTAL KSEM G2 (modbus TCP) grid power total: 1) In device configuration, enable ModBus TCP slave 2) Install mbpoll 3) Reading smart meter using command line: mbpoll -0 -t 3:int -r 0,2 -c 2 192.168.1.12 -1 -B -q Simple BASH parsing example: mbpoll -0 -t 3:int -r 0,2 -c 2 192.168.1.12 -1 -B -q > […]

23 10 2022

13 10 2022

Direktlink zum Anbieter Frank Bräuer aus Hamburg: https://www.akkutauschen.de/ Siehe auch: https://www.akku.net/

12 10 2022

Optimizing mySQL mariaDB disk usage after deleting/truncating large tables: ALTER TABLE YOURTABLE ENGINE=InnoDB This also works when ENGINE already was InnoDB …

5 02 2022

For API documentation see https://smart-me.com/swagger/ui/index and/or https://www.any-api.com/smart_me_com/smart_me_com/docs/API_Description Current energy usage (update every minute for free *or* every second for a small subscription fee or a one time payment, see https://web.smart-me.com/en/cloud-services-pricing/ …. also updates each second while running smart-me mobile app or website live data): curl -s –user “username:password” -H “Accept: application/json” “https://smart-me.com:443/api/Values/a1b1c1d1-abcd-1234-abcd-a1b2c3e4g5h6” example output: {“DeviceId”:”a1b1c1d1-abcd-1234-abcd-a1b2c3e4g5h6″,”Date”:”2022-02-05T17:53:16.3596015Z”,”Values”:[{“Obis”:”1-0:1.8.0*255″,”Value”:15492250.0},{“Obis”:”1-0:2.8.0*255″,”Value”:4154730.0},{“Obis”:”1-0:1.8.1*255″,”Value”:10728380.0},{“Obis”:”1-0:1.8.2*255″,”Value”:4763870.0},{“Obis”:”1-0:1.8.3*255″,”Value”:0.0},{“Obis”:”1-0:1.8.4*255″,”Value”:0.0},{“Obis”:”1-0:2.8.1*255″,”Value”:4153930.0},{“Obis”:”1-0:2.8.2*255″,”Value”:800.0},{“Obis”:”1-0:2.8.3*255″,”Value”:0.0},{“Obis”:”1-0:2.8.4*255″,”Value”:0.0},{“Obis”:”1-0:1.7.0*255″,”Value”:2456.0},{“Obis”:”0-0:96.14.0*255″,”Value”:1.0},{“Obis”:”1-0:32.7.0*255″,”Value”:236.0},{“Obis”:”1-0:52.7.0*255″,”Value”:235.0},{“Obis”:”1-0:72.7.0*255″,”Value”:236.0},{“Obis”:”1-0:31.7.0*255″,”Value”:1.07},{“Obis”:”1-0:51.7.0*255″,”Value”:7.89},{“Obis”:”1-0:71.7.0*255″,”Value”:2.18}]} […]

5 02 2022

1) Enable local HTTP API v2 inside go-e app (Internet -> extended settings) 2) Use curl to adjust charging: #adjust amps curl “http://1.2.3.4/api/set?amp=16” #set 1-phase curl “http://1.2.3.4/api/set?psm=1” #set 3-phase curl “http://1.2.3.4/api/set?psm=2” #start charging curl “http://1.2.3.4/api/set?frc=0” #stop charging curl “http://1.2.3.4/api/set?frc=1” Get settings (all or some, see https://github.com/goecharger/go-eCharger-API-v2/blob/main/apikeys-de.md ): curl “http://1.2.3.4/api/status” curl “http://1.2.3.4/api/status?filter=amp,psm”

1 03 2021

Scan My Tesla (SMT) and OBD2 Bluetooth Adapter basics: Tesla OBD2 Schnittstelle auslesen https://play.google.com/store/apps/details?id=com.emon.canbus.tesla&hl=de_AT&gl=US Analyzers / Inspectors: https://github.com/amund7/CANBUS-Analyzer https://github.com/tesLAXApp/tesLAX https://github.com/hanswolff/TeslaCanBusInspector https://github.com/shred86/tesla-can-frame-tool CAN DBC file: https://www.csselectronics.com/screen/page/can-dbc-file-database-intro/language/en https://github.com/joshwardell/model3dbc/blob/master/README.md CAN BUS message/id overview: https://docs.google.com/spreadsheets/d/1ijvNE4lU9Xoruvcg5AhUNLKr7xYyHcxa8YSkTxAERUw/edit#gid=766812754 Tutorial (including Salae Logic Analyzer analysis): https://www.instructables.com/Exploring-the-Tesla-Model-S-CAN-Bus/