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ChatGPT Cocktail Bot In Action - Dive into the world of music appreciation as this YouTube video takes you through a transformative experience. Don't miss out on this melodic journey!

Soldering an ESP32 Castellated Module to a custom PCB - Dive into the world of groovy tunes and infectious beats with this funky music journey! Discover hidden gems, classic hits, and everything in between that will make you want to hit the dance floor.

Crimping crimping - I've been doing a lot of Dupont crimps! - Get ready to groove with this YouTube video featuring a funky music compilation that will have you dancing in no time!

Sudoku Grab for the iPhone - Hey everyone! This video is all about enjoying some incredible Musika with a whole lot of fun. So, let's dive into the rhythm and let the good vibes roll. Enjoy the beats and keep that energy high!

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Busy busy - Just landed back home after a couple US trips. It's time to roll up the sleeves and get busy now - have to update instructions for our 1.4 version, which isn't too different from 1.3 but with a few changes. Also, got to start working on 1.5. Let's do this!

10 Cent Music Machine - I built a tiny coin‑cell music board around the $0.10 WCH CH32V003J4M6 (8‑pin, 48MHz RISC‑V, 16K flash/2K RAM). The PCB is just 16.3×11.7mm with a piezo buzzer and transistor, and in standby it sips 7–8µA. I did hit a snag: playback caused 130mA peaks that browned out a CR2032. A LiPo fixed it, but I really wanted coin‑cell, so I upped the buzzer’s base resistor to 10k, dropping peaks to 56mA and average to ~7mA—now it runs happily (and loudly) from a coin cell. Pro tip: if standby bricks programming, wlink can erase via power-off mode. I’m bit‑banging audio, published a simple MIDI→buzzer tool with a 1‑bit SFX generator, and all the code’s on GitHub.

I made a 10 Cent MCU Talk - I taught a 10¢ CH32V003 RISC‑V MCU to talk. By bit-banging PWM as a DAC and using a tiny 2‑bit ADPCM decoder, I squeezed ~6–7 seconds of recognizable audio into 16 KB of flash. Then I went full retro with LPC speech synthesis (Think: Speak & Spell) using the Talkie library and a small web tool I built to generate LPC data—so this little 8‑pin chip can now play samples and ‘speak’ lots of words with only a few kilobytes.

Sudoku Grab Nominated for the Most Creative Use of iPhone Hardware - Express your love for our app by casting your vote in this category using the provided link.

The Center of Computing History - Faced with free time in Cambridge, I decided to visit the Center of Computing History. It's a bit quirky and tucked away in an industrial park, but worth finding. Right in the entrance, you'll see the Megaprocessor, a 16-bit processor that's programmed to play Tetris. But the highlight for me was seeing the prototype ZX Spectrum, the computer that sparked my interest in tech. Though they didn't have a working Spectrum, I got a kick out of programming on a ZX81 and playing with a BBC Micro. They've even got a room full of consoles and the first ever Apple 1. Though I recorded some footage, I spent most of my time just soaking in the history of computing.