Displays & LED
AltiumDesigner PcbLibrary
by KitSprout
AD 元件庫，AltiumDesigner PCB Library
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Download ProtoFlowby KitSprout
AD 元件庫，AltiumDesigner PCB Library
by LukeVassallo
RL_PCB is a novel learning-based method for optimising the placement of circuit components on a Printed Circuit Board (PCB).
by markh-de
PCB Assembly Variants for KiCad
by s39674
Trying to use AI to identify pcb components
by todbot
Neopixel Joints, millable on the Othermill
by mcer12
Nixie clocks based on ESP32 / ESP8266 and NTP
by robertklee
Audio Effects Circuit Design & Embedded Systems (STM32F407 microcontroller) Design Project. Goal: with an analog audio input, pitch shift or add echo effect and output to a speaker. Circuit: designed AC level shifting circuit, active bandpass filter, LED matrix display and DAC quantization error smoothing in KiCad; manufactured as a printed circuit board; soldered components and tested PCB. Embedded Systems: FFT to extract frequency domain; NVIC with timer-raised interrupts to service analog sampling, button debouncing, and image display on LED matrix; memory and clock cycle optimizations
by Alhadis
Syntax highlighting for various PCB (Printed Circuit Board) formats.
by hkzlab
This board converts CGA/EGA/MDA/Hercules TTL signals into analog RGB signals that can be fed into a compatible monitor
by UzixLS
Converts RGB + Sync analog signal to S-Video (and also Composite).
by ExTc-aShiSh
PCB designed in KiCad — a 230V AC to 12V DC rectifier with filtering and LED indicator. Includes schematic and PCB layout files.
by mikelawrence
This is a Raspberry Pi B+ HAT that supports four high power LEDs. Main application is an RGB Floodlight.
Every project listed here belongs to its author and is linked to its original repository. Licences are read from the repository metadata and summarised for convenience — check the licence file in the project itself before you manufacture or redistribute a design. ProtoFlow does not host, mirror or verify these files. Index last rebuilt 2026-09-21.