[Solicitation Order] IoT fingerprint door lock control board based on ESP32

Introduction: Fingerprint door lock control board based on ESP32

Schematic PCB

STC8G1K08(A) core board

Introduction: STC8G1K08 TSSOP20
STC8G1K08A SOP8
core board

Schematic PCB

esp32 expansion board

Introduction: esp32 expansion board, can be directly plugged into 240x240 screen

Schematic PCB

3528 Symphony LED light panel

Introduction: 9×9 matrix LED light panel

Schematic PCB

[Training Camp] Small clock developed based on OpenHarmony Hongmeng operating system

Introduction: A small clock developed based on the OpenHarmony open source Hongmeng operating system

Schematic PCB

Dico voice assistant-wifi universal infrared remote control based on Tuya VWXR2

Introduction: This is a universal infrared remote control based on artificial intelligence voice technology, produced based on the wifi voice module of Tuya VWXR2. It can realize remote control function learning and voice command control of infrared remote control signal transmission.

Schematic PCB

lm5118

Introduction: LM5118 buck-boost module

Schematic PCB

[Complete Design] LoRa-based IoT controller

Introduction: Remote IoT controller based on LORA network. STM32 is used as the core of the controller and controlled by the host computer software.

Schematic PCB

2-inch flip-chip ring frame FPV ride-through machine

Introduction: 2-inch hoop rack

Schematic PCB

VC_02 Offline Voice Development Board

Introduction: A development board based on the Anxinke VC_02 offline voice module design, suitable for development and learning of smart speakers, smart home voice control, wireless device gateways, etc.

Schematic PCB

stm32g030f6p6 development board

Introduction: Because I bought a lot of stm32g030f6p6 for free, and I won’t do any projects for the time being, I just made a development board.

Schematic PCB

rp2040 development board

Introduction: A development board designed based on rp2040, comes with USB, and can write bootroom

Schematic PCB

esp32-WROOM-32E adapter board (power saving, breadboard friendly)

简介：An up-to-date esp32-WROOM-32E breakout PCB for breadboard

Schematic PCB

2021 Electronic Design Competition Question C—Three-Port DCDC Converter

Introduction: National first prize, perfect score.

Schematic PCB

[Power-on School Competition] Signal Generator

Introduction: This is a multi-functional waveform generator that can generate square waves, triangle waves and sine waves with adjustable frequency and amplitude; it has a variety of inputs such as pin headers and terminal blocks to choose from.

Schematic PCB

Question d, Internet-based camera measurement system

Introduction: This project uses TX2 as the main control module to form a local area network through an Ethernet switch. The camera and Raspberry Pi form a camera node to form an Internet camera measurement system. The system can display videos on various terminals and measure parameters accurately and quickly.

Schematic PCB

Gundam breathing light

Introduction: Second Prize in the 2022 Guangzhou City Polytechnic School of Electrical Engineering Electrical and Electronic Breathing Lamp Design Competition

Schematic PCB

CBU chip controls the circuit board of LED lights

Introduction: The light panel purchased on Moubao 2.9 can be directly controlled using the “Tuya” APP.

Schematic PCB

0.98 OLED

Introduction: 12832 OLED with touch new original package SSD1316 driver with pin definition
0.98 inch OLED adapter board, purchased by Laowang on Taobao.

Schematic PCB

2021 Question B - Three-Phase AC-DC Conversion Circuit STI Capacitor Exploding Team

Introduction: 2021 National College Student Electronic Design Competition Question B

Schematic PCB