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Photoelectric wrist sphygmomanometer

Detect pulse wave by collecting red light and infrared light signals.

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Single chip Bluetooth BLE, 2.4G

Specification and model: CA001 Package specification: SOT-23

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Development of Infrared Thermometer Scheme PCBA Design

The infrared thermometer is an electronic product for infrared temperature measurement.

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QR code IC card CPU card

Two-dimensional code IC card CPU card water meter water control electric control billing timing consumption access control GPRS communication card.

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ARM embedded development

The intelligent QY-RK3288S motherboard adopts Rockchip RK3288 Cortex-A17 quad-core processor.

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