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circuit4u

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Play with RP2040 MCU PIO Assembler

using Rust pio-rs library

Jul 30, 2022

Play with RP2040 MCU PIO Assembler

Jul 30, 2022

Simulate Toilet Flush with a 555 Timer Circuit

To Help Understand Trigger and Threshold pins

Jan 4

Simulate Toilet Flush with a 555 Timer Circuit

Jan 4

DIY Model Rocket Launcher Electronics

with Seeed Xiao RP2040 MCU + Rust code

Nov 23, 2024

DIY Model Rocket Launcher Electronics

Nov 23, 2024

Play Vimgolf with Helix Editor

set meaning to keystrokes

Apr 22, 2024

Apr 22, 2024

Install Helix Editor on Chromebook

using Homebrew

Apr 14, 2024

Apr 14, 2024

How to Prepend Zeros to make CRC Whole Bytes

CRC without boundaries

Apr 7, 2024

How to Prepend Zeros to make CRC Whole Bytes

Apr 7, 2024

Fun with Digital Dice on Forth

Mecrisp Forth Across to MSP430G2230

Jan 14, 2024

Fun with Digital Dice on Forth

Jan 14, 2024

Port SmithForth to J1 CPU

DIY machine code Forth

Nov 18, 2023

Port SmithForth to J1 CPU

Nov 18, 2023

How Vernier Scale Works

An Intuitive Understanding

Oct 27, 2023

How Vernier Scale Works

Oct 27, 2023

Cross Two Clock Domains

Send Signal from a Faster to a Slower Clock Domain

Jun 25, 2023

Cross Two Clock Domains

Jun 25, 2023

circuit4u

circuit4u

memento of electronics and fun exploration for my future self

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