Posts tagged with Soldering
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Building a Custom Deej Volume Mixer with an RP2040 Pro Micro
Looking for a DIY hardware volume mixer to control individual app volumes effortlessly? Whether you’re a gamer, streamer, or audio enthusiast, manually adjusting software volume sliders can be frustrating. That’s where Deej, an open-source USB volume mixer, comes in. This guide will show you how I’ve built a Deej volume...
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Making a stand-alone air quality monitor from our upgraded IKEA Vindriktning
Monitoring the air quality in spaces where you spend a lot of time can be a game-changer for your well-being and productivity. However, the air quality monitor built-in a previous post is tightly linked with Home Assistant (HA), which might limit its use in environments like offices, workshops, garages, and...
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Smart Air Quality Monitoring using an IKEA Vindriktning with ESP8266 & BME680
Effective insulation is key in modern homes, offering comfort and energy efficiency. However, it often comes with a need for better ventilation to maintain a healthy air quality. In this guide, we’re focusing on an innovative, cost-effective way to enhance your home’s air quality using some clever technology. We’ll show...
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How to Upgrade Your Nintendo 3DS with USB-C Charging
Are you tired of fumbling with your Nintendo 3DS charging cable? Do you wish you could use a modern, reversible USB Type-C connector instead? With a few common tools and a little know-how, you can add a USB Type-C port to your Nintendo 3DS charging cradle in no time! In...
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Simple USB Type-C Upgrade for the Raspberry Pi Pico
With USB type C ports now commonplace, keeping micro-USB cables around for some devices can be a bit of a nuisance. The convenience of a single, reversible cable for nearly all your devices is undeniable, and in some devices the micro-USB port can actually be replaced with a USB type...
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The Sound of Silence: Building a Quiet Mechanical Keyboard
Are you still typing away on a cheap rubber dome keyboard? If so, you might be missing out on the satisfying and efficient experience of using a mechanical keyboard. I’ve been using my own homemade mechanical keyboard for years now, and I can’t imagine going back. Furthermore, the 60% size...
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XIAO-RP2040: A tiny RPi Pico alternative
Doing an electronics project where space comes at a premium? A regular rpi pico is to large? Have a look at the XIAO-RP2040 from Seeed Studio. Seeed Studio provided me a XIAO-RP2040 to review so let’s have a look at this nifty little board. The microchip is identical, though as...
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Better code for the MacroPad
A while ago I’ve made a MacroPad and I recently improved the code! In this post I’ll briefly show some advanced code to create a MacroPad class which allows custom functions to be added to key presses using a decorator. The original code as well as instructions how to build...
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Better Raspberry Pi Pico MIDI controller
To expand the number of notes/chords my RP2040 based MIDI controller can play we’ll turn two keys into modifiers. This way the other 7 buttons can actually each be assigned 4 different notes/chords (a default, pressed with modifier one, pressed with modifier two and pressed with both modifiers active). So...