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I want a bootable .img image for the Raspberry Pi 4 that turns the board into a fully offline, hardware-style wallet. After flashing the image to an SD card and powering up, I expect a clean graphical interface that lets me: • Generate and manage addresses for roughly forty of the most-used coins and tokens. • Sign and later broadcast transactions only when I briefly connect the Pi to a network. • Move funds straight to a linked bank account by entering a routing and account number—ACH style—without ever needing a third-party exchange. The build has to run reliably with no internet dependency at first boot, keeping all keys on the device and encrypted at rest. A simple on-screen flow for first-time setup, balance overview, and transfers is essential; I shou...

I need a single .img file that I can flash straight to a micro-SD, slot into a Raspberry Pi 4, power on, and start mining—no extra setup, no internet connection, just plug-and-play. The image must boot directly into an advanced graphical interface that lets me monitor hashrate, temperature, accepted shares, pool status, and switch coins without touching the command line. The core requirement is support for the three main algorithms I selected—SHA-256, Ethash, and Cryptonight—so the device can tackle my full portfolio of roughly forty coins. Performance matters: the system should auto-detect optimal overclock settings for the Pi 4, make efficient use of its GPUs/CPUs, and offer pool configuration options over the local network while remaining completely self-contained (...

I need a compact, self-contained light show for a fan that will be used purely for entertainment. The blades already have addressable LEDs installed; what’s missing is an eye-catching sequence of color-changing effects and the code or controller setup that drives them. Here’s what I’d like from you: • Design several smooth, vivid color-changing patterns that look great while the fan is spinning. • Provide the controller code (Arduino, ESP32, Raspberry Pi Pico, or any platform you prefer) together with a clear wiring diagram so I can replicate the exact results on my unit. • Include simple instructions for adjusting speed, brightness, and palette so I can fine-tune the mood for different occasions. The primary goal is an engaging visual experience, b...

I need a compact, student-friendly iron-repulsion electromagnet that can serve as the centerpiece of a science-fair exhibit. The core requirement is a coil system that pushes a small iron slug or plate away with visibly adjustable force. Key functions to build in: adjustable repulsion strength (a dial or digital control that varies current), wireless or IR remote control for hands-off demos, and a simple safety lock that cuts power instantly if something behaves unexpectedly. Because the device will be handled by middle- and high-school students, absolute electrical safety and clear operating instructions are essential. To make the project reproducible, I will need: • A working prototype capable of at least three distinct strength settings and a demonstrable off-site trigger v...

An IP67 rated polycarbonate enclosure to house raspberry pi 5 board stacked with 8 pcbs, spacing between consecutive pcbs 18mm. And vertically fixed camera module of raspberry pi v1/v2. Please dm if interested for further details

I need a compact, three-axis gimbal designed specifically to keep a Raspberry Pi camera rock-steady while I capture video footage. The core objective is clean video stabilisation, not fancy tracking or scripted pans, so the system only has to respond to direct manual input (a thumb-stick, potentiometers, or other simple interface you recommend). Structure & materials – The frame should be plastic so I can 3D-print the parts in-house. Please balance strength and weight so small hobby-grade brushless or servo motors can move it smoothly. If a tiny metal insert or bearing is unavoidable for durability, note that in the BOM. Control electronics – Everything must run from a Raspberry Pi (any recent model). – Manual control: propose the most reliable way to feed joy...