Huawei RF Basic Knowledge Training

Schematic PCB

Evaluation kit based on Si5328 any-frequency precision clock timing IC Si5328-EVB

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Evaluation Board AD9547/PCBZ for Evaluating the AD9547 Digital PLL Clock Synthesizer

Schematic PCB

EVALZ-ADN2905/EVALZ-ADN2913/EVALZ-ADN2915/EVALZ-ADN2917 User Guide

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Solutions based on nRF24L01P RF transceiver

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2018 Electronic Competition Question F-Wireless Microphone Amplification System (Xidian University)

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2018 Electronic Competition Question F-Wireless Microphone Amplification System (Dalian University of Technology)

Schematic PCB

2018 Electronic Competition Question F-Wireless Microphone Amplification System (Harbin Engineering University)

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2021 Undergraduate Electronic Design Competition Title E National Second Grade Work (Digital and Analog Signal Mixed Transmission Transceiver)

Schematic PCB

Women's safety device, smart wallet with GSM and GPS location tracking

2 Layers PCB 52 x 96.3 mm FR-4, 1.6 mm, 1, HASL with lead, Blue Solder Mask, White silkscreen; A device for women safety, equipped with GSM and GPS modules for location tracking.

Schematic PCB

WIFI Switch: ESP8266-01 for remote switch control

2 Layers PCB 60.7 x 33.4 mm FR-4, 1.6 mm, 1, HASL with lead, Red Solder Mask, White silkscreen;

Schematic PCB

1km radio controller

Powerful 1km 6-10 channel remote control, suitable for DIY projects such as drones and cars.

Schematic PCB

10.5GHz (X-band) patch antenna

4 Layers PCB 60 x 171 mm FR-4, 1.6 mm, 1, HASL lead free, Green Solder Mask, White silkscreen;10.5GHz, 8 element, patch antenna. Make your own phased array for communications or radar. Full instructions at github .com/jonkraft

Schematic PCB

Prototype boards for ESP8266, ESP32 and ESP32-S2 modules

This is a prototype board for use with ESP8266, ESP32 and ESP32-S2 modules. The board is divided into areas that can be cut and then put together to build advanced IoT prototypes. After cutting as shown in the picture, you can start assembling the IoT device.

Schematic PCB

Reference design of Epson multimeter microcontroller S1C17M02/M03

Can measure DC/AC voltage, DC/AC current, resistance, inductance, capacitance, diode, frequency. Built-in 16bit ADC, digital filter, RMS effective value circuit and peak hold circuit. Multimeter control unit integrated with microcontroller, officially launched reference design kit, powered by button battery, including schematic diagram.

Schematic PCB

ADS-B 1090Mhz filter amplifier

Introduction: ADS-B 1090Mhz filter amplifier

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Planck keyboard, 40% layout, three modes

Introduction: Planck three-mode PCB layout file, because it was drawn using other software, the 3D drawing of the light is sealed, and the actual layout will not be affected.

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Concurrently manage 8 tubes for the whole bridge

Introduction: Please pay attention to safety when using

Schematic PCB

ESP8266EX-Wireless Remote Control Pen

Introduction: This project is a wireless remote control pen based on ESP8266EX wireless chip.

Schematic PCB

usb3.0 split 2.0+3.0

Introduction: usb3.0 typea is split into 2.0 and 3.0 interfaces

Schematic PCB