Low cost WiFi BADUSB

Introduction: WiFi BADUSB costing 11 yuan

Schematic PCB

Network 3D machine gateway

Introduction: Based on the open source marlin 3D printing project, expand the network functions of open source 3D printers

Schematic PCB

esp8266-SD gateway

Introduction: esp8266 expands SD card

Schematic PCB

Parallel ink screen ESP32 development board

Introduction: Parallel ink screen ESP32 development board

Schematic PCB

esp8266-oled-demo

Introduction: Original project address: https://github.com/SpacehuhnTech/esp8266_deauther This project is a wifi killer hardware based on the above open source project. Some codes have been modified to adapt to this hardware.

Schematic PCB

Deceiving oneself (Mistress)

Introduction: Whatever you do

Schematic PCB

ESP32-ws2812 music spectrum/temperature and humidity meter ver1.1

Introduction: esp32 base development board designed for 12V speaker amplifier. The sampling circuit is adapted to the interception level of the 2*15w speaker RCA port, and the applicable volume range is narrow. Use Uxin 21-piece 30pinESP32-WROOM development board. 12-5V DC-DC

Schematic PCB

ESP32WROOM Development Board - Fully 0805 Soldering Friendly

Introduction: wroom32e development board, pinTOpin modules should also be able to use the board 28*52mm, 15*2 pin lead spacing 25.6mm* (2.54mm*15) LDO: RT9013-33B TTL CH340K

Schematic PCB

[Debugging] An alarm clock that can record and play sounds

Introduction: How to say...

Schematic PCB

[Successful actual measurement] Universal crystal oscillator tester

Introduction: Universal crystal oscillator tester, quickly detects the quality of crystal oscillators

Schematic PCB

[Successful actual measurement] MQ-2 solution verification board

Introduction: This project is used to verify the scheme verification design of LCSC’s gas detection module MQ-2 (LCSC No. C99296)

Schematic PCB

Solution verification board based on SE2515-HF

Introduction: This project is a solution verification board based on SE2513-HF

Schematic PCB

Three-way wireless remote control switch based on NRF24L01-transmit

Introduction: Three-way wireless remote control switch based on NRF24L01

Schematic PCB

Three-way wireless remote control switch-receiver based on NRF24L01

Introduction: Three-way wireless remote control switch based on NRF4L01

Schematic PCB

[New version of program in preparation] Infrared thermometer gun

Introduction: MLX90614-based thermometer (to be tested) During the current epidemic, electronic forehead thermometers are in short supply, but as an electronics enthusiast, why can’t you make your own one?

Schematic PCB

[New version-tested successfully]NTP clock-1 inch version

Introduction: The quartz clock in the class became very unstable after being dropped by the teacher N times. There happened to be a router in the class, so I planned to use ESP12 to build an NTP clock.

Schematic PCB

[Successful test] 1-way IoT switch based on ESP12

Introduction: 1-way IoT switch based on ESP12 (successful)

Schematic PCB

【Second test in progress】Smart WiFi IoT socket

Introduction: Dual-channel wireless IoT switch based on ESP12

Schematic PCB

[Successful actual measurement] Solution verification board based on CH340G

Introduction: This project is used to verify the solution verification design of LCSC’s USB chip CH340G (LCSC number C14267) https://item.szlcsc.com/14927.html

Schematic PCB

[Successful actual measurement] Solution verification board based on CH340C

Introduction: This project is used to verify the solution verification design of LCSC’s USB chip CH340C (LCSC number C84681) https://item.szlcsc.com/85852.html

Schematic PCB