Design of LED bulb power supply and control circuit

Safety and reliability protection of residential LED bulb LED bulb is a solid-state lamp with semiconductor light-emitting diodes in parallel configuration. In addition, the lamp also includes power conversion Electronics (DC / AC), LED driver chip, heat sink for thermal control and optical devices to optimize light quality. Since LED bulbs need to be compatible […]

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Overall circuit module design of wireless charging system

The working process of receiving electric energy from the external circuit and converting it into chemical energy of the battery. After the energy of the battery is consumed by discharge, it can be recovered by charging and discharged again to form a charge discharge cycle. Generally, it is charged with DC current (also asymmetric AC […]

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Circuit design of control module of personnel positioning system

 Design of positioning card: STM32 is the main control core of the positioning module. St (Italian French semiconductor) stm32wcbu6x chip is used in the positioning module, which adopts 32-bit armcortex-m3 core; Stm32wcbu6x integrates a 2.4GHz ieee8.2.15.4 compatible transceiver with 128KB flash and 8KB ram. It is a high-performance wireless system on chip (SOC). The schematic […]

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Circuit design of control module of common household appliances

  Circuit working principle:The purpose of the system is to control the power on and off of different electrical appliances through telephone remote control. A total of 5 electrical appliances can be controlled. The signal controlling the action of the controlled object is output from p1.3 ~ P1.7. For example, if p1.3 = 1 can turn […]

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