Tian Xilin 1810300141

Introduction: Circuit

Schematic PCB

Tian Xilin 1810300141 circuit

Introduction: Electricity

Schematic PCB

555 circuit Tian Xilin 1810300141

Introduction: 555

Schematic PCB

【Guangxi Normal University Competition】Signal Generator

Introduction: This design uses a direct digital frequency synthesizer (DDS). Compared with traditional frequency synthesis methods, DDS synthesized signals have many advantages such as short frequency switching time, high frequency resolution, and continuous phase change.

Schematic PCB

Design of vegetable greenhouse automatic control system based on CW32F030C8T6

Introduction: Design of vegetable greenhouse automatic control system based on CW32F030C8T6

Schematic PCB

pyAI-V831 expansion board

Introduction: Expansion board with reset button

Schematic PCB

Adjustable current lithium battery charging module tp4056x

Introduction: tp4056x is used for charging small capacity lithium batteries

Schematic PCB

sw3538/sw3536 140w power module

Introduction: Using sw3538 chip, it supports PD protocol up to 20V 7A.

Schematic PCB

sc8815a test verified

Introduction: sc8815 ​​test is available

Schematic PCB

Screen extension light (low cost)

Introduction: Super screen light leakage assistor makes your display more dazzling

Schematic PCB

Smart home controller

Introduction: Remote control power via wifi

Schematic PCB

esp32 esp8266 esp32c3 development board

Introduction: esp32 esp8266 esp32c3 development board only has io pins and silk screen with io functions (such as i2c.spi.adc, etc.). The attached download circuit has been verified

Schematic PCB

ip6505 multi-channel fast charging module

Introduction: For casual drawing and playing, it uses ip6505. The maximum is 24w. The peripheral simple ripple is 40mv at full load. The ripple is smaller than that of ordinary boards on the market.

Schematic PCB

Adjustable current PD/QC battery charging module ip2315

Introduction: The 1s lithium battery charging module can adjust the charging voltage and current through a dialer.

Schematic PCB

Color OLED screen module based on SSD1331

Introduction: A color OLED screen module based on SSD1331 driver, supporting interface SPI; used to realize graduation project OLED screen display function.

Schematic PCB

Expansion dock developed for Sevan Wandering Earth Digital Life Card (based on Sl2.1A)

Introduction: A docking station developed for Sevan’s Wandering Earth Digital Life Card (based on Sl2.1A)

Schematic PCB

keshe123

Introduction: Course Design

Schematic PCB

portable power bank

Introduction: This portable power bank is a portable charger that integrates power supply and charging functions. It can charge mobile phones and other digital devices anytime and anywhere. Generally, lithium batteries (or dry batteries, less commonly) are used as the power storage unit, which is easy and fast to use.

Schematic PCB

x123

Introduction: 1

Schematic PCB

Dimensional measuring board

Introduction: Dimensional measuring board

Schematic PCB