HV Power Supply: Resonant Tank and Transformers With the 200V H-Bridge output at 7kHz, I'll need a resonant tank to filter out the harmonics and a transformer or series of transformers to step up that AC fundamental voltage to 40kV peak-to-peak. Transformers After some deliberation, I eventually chose the simple route forward with the HV
Spot Welder ✅ For the custom batteries I want to make for my HV Power Supply and 120VAC 60Hz inverter projects, I will need to spot weld nickel strips onto the terminals of the cells. Last week I borrowed a spot welder from a coworker at my company and tried it at home,
HV Power Supply: AC-DC Rectifier Because the HV AC output voltage is already 50kV from the transformer and the desired DC and AC output voltages for the UW power supply are 50kV, I have two options for the DC output voltage for the same power supply: 1. I can simply use a rectifier to turn
HV Power Supply: Battery and Boost ✅ Battery The battery specifications for the HV Power Supply are: * 6S (22.2V nominal) * >200W minimum output power When researching how to create a battery pack, I came across this invaluable Reddit post on batteries. This is where I got most of my battery-related information from. From what I
Coil Winding Machine ✅ Today I went to the capstone team I am assisting with at UW, and for their magnetism-related project, they needed a way to wind solenoids (coils of wire) easily since their current method caused crossed wires and irregular performance in their application. Inspired by this and the problems I'
HV Power Supply: Custom H-Bridge I will first be creating a custom high-voltage H-Bridge PCB that will invert my HV DC bus (rated up to 600V @ ~3A) to a bipolar square wave. Component Choice The first step when building a PCB is creating the functional schematic, however without the exact components, the exact pin connections,
WiFi timed on/off switch ✅ The Problem: I currently live with my mom in an apartment, and we have our own WiFi router in the living room. My mom states she is "sensitive" to the WiFi being on, and gets headaches, sickness, anxiety, etc. when the WiFi is on, and can't
Custom High Voltage Power Supply🟨 This will be a multi-week endeavor taking multiple steps. I will upload them one at a time. The feature image is an updating view of the progress. This is a great paper I found that covers the goal application and power supply topologies: https://arxiv.org/html/2512.18067v1 The
Website Self-Hosting with Orange Pi 3 LTS ✅ Overview * Ghost docker container as the website engine, running the GUI and decoration. * Cloudflare Tunnel to make the site publicly reachable on HTTPS 443 without port forwarding. * Cloudflare handles custom domain andrewcieslak.work * Docker runs "cloudflared" and the "ghost" container on Orange Pi 3 LTS Step
Bass Amplifier ✅ I got my bass guitar last weekend on 1/24, but it didn't come with an amplifier, a shoulder strap, or a 1/4" mono cable to plug it into anything. As I learned what each string name was, how to tune it with what app (Chromatic
