Computer USB-based massager (including schematic diagram and source program download)

Including schematic diagram and source program download, the microcontroller is PIC12F629.

Schematic PCB

DI-123 - 9.65W dual output power supply for residential heating control

Schematic PCB

Hitex LPC4350 Evaluation Board

The Hitex LPC4350 evaluation board allows you to quickly and easily evaluate the LPC4300 series of microcontrollers. The microcontroller, board, and feature set make it a great starting point for your next Cortex-M4 project. The LPC4350 is assembled to demonstrate the LPC4300 functionality, providing optimized dual-core performance, large internal memory and advanced peripherals. NOTE: It is the same as the Hitex LPC1850 evaluation board, but uses LPC4350 components instead of the LPC1850.

Schematic PCB

51 microcontroller touch desk lamp

Touch table lamp made by 51 microcontroller

Schematic PCB

ESP32 PD desktop power supply

ESP32 PD desktop power supply

Schematic PCB

DER-871 - 26W multi-output power supply based on InnoSwitch3-MX and InnoMux chipset for monitors and appliances

Schematic PCB

LPCXpresso™ Board for LPC54100 Series MCUs

The LPCXpresso family of circuit boards provides a powerful and flexible development system for NXP Cortex-M microcontrollers. The LPCXpresso54102 circuit board features NXP's LPC54102 low-power microcontroller and is designed to help you get started designing easily.

Schematic PCB

BGU7032 evaluation board for set-top box low noise amplifier with bypass function

Schematic PCB

2018 Electronic Competition Question D-Gesture Recognition Device (Guangxi Guilin University of Electronic Science and Technology)

Schematic PCB

DER-29 - 33W dual output DC-DC power forward converter with synchronous rectification forward function

Schematic PCB

DI-144 - Condensing boiler power supply

Schematic PCB

TEA1721 Universal Mains White Goods Flyback SMPS Demonstration Board

Schematic PCB

FRDM-CR20A: Freedom development board for MCR20A wireless transceiver

Schematic PCB

BGU7044 Evaluation Board for Set Top Box Low Noise Amplifier

Schematic PCB

LPCXpresso18S37 development board

The LPCXpresso family provides a powerful and flexible development system for NXP Cortex-M microcontrollers. The LPCXpresso18S37 development board, developed by NXP, supports the evaluation and prototyping of the LPC4300 series MCUs, featuring the LPC18S37 in a 100-pin BGA package. LPCXpresso™ is a low-cost development platform provided by NXP that supports NXP's Arm-based microcontrollers. The platform includes a simplified Eclipse-based IDE and low-cost target boards with SWD debugger. LPCXpresso is an end-to-end solution that supports embedded engineers throughout the application development process from initial evaluation to final production.

Schematic PCB

Output capacitor bank for signal power or dual supply headphone amplifier

This is a simple output capacitor bank for use in signal powered or dual supply headphone amplifiers. The output capacitor bank protects the headphones from DC current.​

Schematic PCB

DER-417 - 5mW no-load input power, 8 W standby power

Schematic PCB

Speech Recognition

This solution provides simple command recognition and speaker-independent voice recognition, and can be trained by the user to follow the command. Once the command is recognized, the device can provide sound effects based on the audio pre-stored in the flash memory on the chip. Currently supports 9 languages ​​and multiple dialects.

DER-508 - 4.75W dual output power supply

Schematic PCB

DER-745 - 10W dual output power supply based on InnoSwitch3-EP 900V

Schematic PCB