Intelligent classroom design based on 51 microcontroller (source program, schematic diagram, PCB, simulation, BOM, paper, etc.)

Use 51 microcontroller STC89C52, clock chip DS1302, liquid crystal screen LCD1602, photoresistor, and infrared tube to design a classroom intelligent lighting control system

Schematic PCB

Smart home overall solution series: smart home management system design (schematic + APP + source code, etc.)

Smart home overall solution series: smart home management system design (schematic + APP + source code, etc.)

Schematic PCB

A complete access control system (schematic diagram + source program)

A complete access control system (schematic diagram + source program)

Schematic PCB

35W indoor lighting solution based on LED driver HVLED001B

The EVAL-SSR01B-35W is intended to drive one LED string with a maximum output current of 700 mA.

OM15080-JN5189: JN5189 USB dongle for Zigbee and Thread networks

Schematic PCB

RDR-801 - 100W dual-stage boost and isolated flyback dimmable LED ballast based on HiperPFS-4 and LYTSwitch-6

Schematic PCB

RDR-648 - 150 W Power Factor Corrected LLC Power Supply Based on HiperPFS-4 and HiperLCS

Schematic PCB

RDR-506 - 1.44 W non-isolated buck converter based on LinkSwitch-TN2

Schematic PCB

DER-920 - 65W two-stage boost and isolated flyback 3-way dimmable LED ballast based on HiperPFS-4 and PowiGaN-based LYTSwitch-6

Schematic PCB

DER-901 - 125 W two-stage boost and isolated flyback 3-way dimmable LED ballast based on HiperPFS-4 and PowiGaN-based LYTSwitch-6

Schematic PCB

DER-857 - 65 W high power factor, isolated flyback and switch valley-fill PFC LED driver based on LYTSwitch-6 with PowiGaN technology

Schematic PCB

DER-847 - 50W 2-Stage Boost and Isolated Flyback 3-in-1 Dimmable LED Ballast with Color Temperature Control

Schematic PCB

DER-843 - 42W two-stage boost and isolated flyback PWM dimmable LED ballast based on HiperPFS-4 and LYTSwitch-6

Schematic PCB

DER-832 - Two-wire (no neutral), wide-range, isolated flyback Bluetooth wall switch based on LinkSwitch-TN2 and Nordic BLE microcontroller

Schematic PCB

DER-754 - 29W high power factor isolated flyback LED driver based on LYTSwitch-6 with 3-in-1, DALI dimming and CCT switching

Schematic PCB

DER-750 - 42 W two-stage boost and isolated flyback dimmable LED ballast based on HiperPFS-4 and LYTSwitch-6

Schematic PCB

DER-742 - 42W high power factor isolated flyback power supply and switched valley-fill PFC dimmable LED power supply based on LYTSwitch-6

Schematic PCB

DER-740 - 29W high power factor, isolated flyback LED driver with 3-in-1 and DALI dimming

Schematic PCB

DER-733 - 65W dual-stage PFC boost and isolated flyback dimmable LED ballast based on HiperPFS-4 and LYTSwitch-6

Schematic PCB

DER-720 - 275W PFC front end based on HiperPFS-4 with integrated diode

Schematic PCB