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Segment reporting (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | $ 238,911 | $ 451,486
Cost of revenue | $ 31,834 | $ 149,259 | 251,191 | 330,003
Gross Profit (loss) | (12,081) | 66,132 | (12,280) | 121,483
Total operating expense | 1,367,056 | 1,137,618 | 2,686,667 | 2,433,943
Loss from Operations | (1,379,137) | (1,071,486) | (2,698,947) | (2,312,460)
Total other income (expense) | 14,031 | 53,320 | 18,244 | 180,051
Net Loss | $ (1,365,106) | $ (1,018,166) | (2,680,703) | (2,132,409)
Corporate Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 0 | 0
Cost of revenue |  |  | 0 | 0
Gross Profit (loss) |  |  | 0 | 0
Total operating expense |  |  | 2,637,653 | 2,290,714
Loss from Operations |  |  | (2,637,653) | (2,290,714)
Total other income (expense) |  |  | 15,176 | 181,483
Net Loss |  |  | (2,622,477) | (2,109,231)
Iot Products [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 190,739 | 78,148
Cost of revenue |  |  | 93,156 | 56,355
Gross Profit (loss) |  |  | 97,583 | 21,793
Total operating expense |  |  | 32,028 | 41,038
Loss from Operations |  |  | 65,555 | (19,245)
Total other income (expense) |  |  | 907 | 2,002
Net Loss |  |  | 66,462 | (17,243)
Iot Installation Services [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 48,172 | 373,338
Cost of revenue |  |  | 158,035 | 273,648
Gross Profit (loss) |  |  | (109,863) | 99,690
Total operating expense |  |  | 16,986 | 102,191
Loss from Operations |  |  | (126,849) | (2,501)
Total other income (expense) |  |  | 2,161 | (3,434)
Net Loss |  |  | $ (124,688) | $ (5,935)

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