24CM-WS2812 headlight ring

Introduction: A headlight ring with a diameter of 24cm, made of 4 PCBs. A total of 60 lights, with master control, ready to be used as a clock

Schematic PCB

108-WS2812-20cm spliced ​​headlight panel

Introduction: WS2812 headlight panel-108 lights

Schematic PCB

voron 0.1-resonance measurement-ADXL345

Introduction: voron 0.1-klipper resonance measurement

Schematic PCB

running water rotating light

Introduction: The picture was intercepted from station B. Please don’t blame the copyright infringement for deletion. The lights light up like rotating energy. I plan to make a similar one.

Schematic PCB

bingDundun

Introduction: The Bingdundun Jump Squat
has been scaled and is now 5*5.7cm. The connection between the perforation and the main body of the board has been strengthened
. The board has been made. The effect is
only for learning. Do not use it for commercial purposes.
For educational purposes only, not for commercial use.
For educational purposes only, not for commercial use.

Schematic PCB

Offline voice night light

Introduction: Offline voice night light based on Qiyingtailun C1122 main control design

Schematic PCB

Bluetooth power amplifier audio based on NS4251AB/D class power amplifier chip expansion

Introduction: Bluetooth amplifier audio based on NS4251AB/D class amplifier chip expansion

Schematic PCB

Data line detection board

Introduction: Low cost, data line detection artifact

Schematic PCB

Hilbert trace heating plate

Introduction: Aluminum substrate high temperature soldering station

Schematic PCB

KlipperHead, 3D printing head small board

Introduction: Printhead board designed for Voron

Schematic PCB

15v power amplifier walkman

Introduction: Amplifier Walkman

Schematic PCB

【Training Camp】Djungle-dog

Introduction: The useless dog who originally had to wait for the CD cooling time of one day before he could move once, on the last day, he burst into flames and withstood three consecutive tests to complete the soul infusion. It is the rise of weakness and the resentment against backwardness. On July 20th, the electric rocking dog was born! ! !

Schematic PCB

Flowing water and ice

Introduction: The running water lamp Bingdundun made using 555 timer

Schematic PCB

IV-27M

Introduction: Fluorescent tube clock

Schematic PCB

Nixie tube boost module

Introduction: MAX668EUB+

Schematic PCB

2 string lithium battery charge and discharge protection board

Introduction: Two string lithium battery charging protection board

Schematic PCB

Verified USB HUB is based on SL2.1A one to four

Introduction: Based on SL2.1A USB2.0HUB, TYPE C input, four standard USB A female outputs, simple peripherals, only four capacitors and one crystal oscillator

Schematic PCB

Micro usb patch contact flying lead board

Introduction: Suitable for removing the micro usb female socket and replacing it with contacts that are easier to solder with flying wires. Inspired by @mz8023yz https://oshwhub.com/mz8023yt/Micro-USB-2-Type-C

Schematic PCB

[Verified] Keyline separation TYPE-C USB HUB one to four

Introduction: usb 2.0 hub one-to-four crystal-free design, suitable for DIY

Schematic PCB

HDMI FPC flexible cable extension cable adapter

Introduction: [Verified] Use FPC flexible cable as HDMI signal transmission line. It is small and suitable for DIY. I use it for win handheld design to reduce the space occupied by ordinary HDMI cables.

Schematic PCB