Need help to add BL0973 I have for power socket from NEO (Brazil) and dont have the energy meter I bought 10 BL0973 , but is missins some resistors and I'm not specialist someone can show what and where I have to add ? this is mine I add another one with resistors

You have two options, first is to measure or read which values are used in the original product, and second is to try to derive them from BL0937 datasheet. BL0937_V1..._en.pdf (406.09 kB)You must be logged in to download this attachment.

Interestingly enough, your non-BL0937 socket has already shunt resistor installed.

>>21809337 I dont have a similar with the BL, I just get another one from other brand, but youd diagram will very helpful

Wait a moment, I was sure you have a piece with BL0937 as well. I can see you uploaded two photos of the same socket model - one with BL0937, second without it?

I have probably 6 different models with bl0973, but no one from NEO WITH the BL inside , they dont have it ;-( If they have I just copy and past the resistors huahauhua

BL0973 Energy Meter Integration for NEO Power Socket: Missing Resistor Placement Guide

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#1 21809130 15 Jan 2026 00:46

tadeu1 tadeu1

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Post #1
21809130 15 Jan 2026 00:46

Need help to add BL0973

I have for power socket from NEO (Brazil) and dont have the energy meter
I bought 10 BL0973 , but is missins some resistors
and I'm not specialist
someone can show what and where I have to add ?

this is mine

I add another one with resistors
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#2 21809337 15 Jan 2026 10:33

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

Helpful post? (0)

Post #2
21809337 15 Jan 2026 10:33

You have two options, first is to measure or read which values are used in the original product, and second is to try to derive them from BL0937 datasheet.

BL0937_V1..._en.pdf (406.09 kB)You must be logged in to download this attachment.

I am creating multiplatform open source firmware (Tasmota replacement), right now supporting BK7231T, BK7231N, XR809, BL602, W800, W600, LN882H and soon supporting RTL and W701:
https://github.com/openshwprojects/OpenBK7231T
If you like my work, support me at: https://paypal.me/openshwprojects

Helpful post? Buy me a coffee.
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#3 21809341 15 Jan 2026 10:34

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

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Post #3
21809341 15 Jan 2026 10:34

Interestingly enough, your non-BL0937 socket has already shunt resistor installed.

I am creating multiplatform open source firmware (Tasmota replacement), right now supporting BK7231T, BK7231N, XR809, BL602, W800, W600, LN882H and soon supporting RTL and W701:
https://github.com/openshwprojects/OpenBK7231T
If you like my work, support me at: https://paypal.me/openshwprojects

Helpful post? Buy me a coffee.
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#4 21809469 15 Jan 2026 12:27

tadeu1 tadeu1

Level 5

Topic author Helpful post? (0)

Post #4
21809469 15 Jan 2026 12:27

>>21809337 I dont have a similar with the BL, I just get another one from other brand, but youd diagram will very helpful
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#5 21809519 15 Jan 2026 13:13

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

Helpful post? (0)

Post #5
21809519 15 Jan 2026 13:13

Wait a moment, I was sure you have a piece with BL0937 as well. I can see you uploaded two photos of the same socket model - one with BL0937, second without it?

I am creating multiplatform open source firmware (Tasmota replacement), right now supporting BK7231T, BK7231N, XR809, BL602, W800, W600, LN882H and soon supporting RTL and W701:
https://github.com/openshwprojects/OpenBK7231T
If you like my work, support me at: https://paypal.me/openshwprojects

Helpful post? Buy me a coffee.
#6 21809537 15 Jan 2026 13:32

tadeu1 tadeu1

Level 5

Topic author Helpful post? (0)

Post #6
21809537 15 Jan 2026 13:32

I have probably 6 different models with bl0973, but no one from NEO WITH the BL inside , they dont have it ;-(
If they have I just copy and past the resistors huahauhua
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