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Added description of using new calibration commands

PeteBa 2017-07-30 21:51:13 +01:00
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Sonoff-Pow.md

@ -36,6 +36,8 @@ I used the following procedure to calibrate.
7. Verify the voltage reading with the multimeter and if needed change the voltage offset value with command `HLWUcal` starting from 1000. Default value is 1950 7. Verify the voltage reading with the multimeter and if needed change the voltage offset value with command `HLWUcal` starting from 1000. Default value is 1950
8. Verify the current reading with the calculated value of P (step 6) / U (step 7) and if needed change the current offset with command `HLWIcal` starting from 2500. Default value is 3500 8. Verify the current reading with the calculated value of P (step 6) / U (step 7) and if needed change the current offset with command `HLWIcal` starting from 2500. Default value is 3500
As an alternative to steps 6-8, if you have a known load connected (e.g. a 60W bulb on a 240V supply with 250mA current) then you can use "HLWPset 60", "HLWUset 240" and "HLWIset 250" to have the Sonoff-Pow auto-calibrate to these values.
## Result explanation ## Result explanation
The Sonoff Pow can provide Energy, Power, Voltage and Current information in different ways. The Sonoff Pow can provide Energy, Power, Voltage and Current information in different ways.