Mobile phone control type heat control circuit of self heating outdoor sports garment
A technology for sportswear and self-heating, applied in clothing, clothing, clothing features, etc., can solve the problem that outdoor sportswear cannot be promoted and produced, and achieve good thermal insulation effect, increase comfort, and reduce discomfort.
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[0032] Such as Figure 1 to Figure 12 As shown, the present invention is composed of a main control chip, a power supply circuit, a low-power operation oscillation circuit, a full-speed operation oscillation circuit, a Bluetooth data interface circuit, a temperature control and switching circuit, a working state display circuit, a temperature feedback circuit and a heating drive circuit.
[0033] The main control chip CC2540 U1 is an ultra-low power consumption bluetooth radio frequency microcontroller.
[0034] The SPX3819M5-3.3 chip U7 of the power supply circuit is responsible for converting the external +5V power supply voltage into a stable +3.3V power supply voltage for the single-chip microcomputer to ensure the normal operation of the single-chip microcomputer. In addition, +5V power supply voltage is also used as the heating power supply of four groups of carbon fiber materials. The power supply circuit is provided with a DC power supply input terminal, a +5v DC volt...
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