➀ This article introduces a portable power tool reference design by Microchip Technology; ➁ The design uses high-performance BLDC/PMSM motors and offers advanced features for efficiency and user safety; ➂ It includes a wide input voltage range, precise motor control, and robust connectivity.

➀ An impressive Halloween light show powered by Raspberry Pi; ➁ The project, created by G8HCB, uses over 25,000 LEDs; ➂ The light display is synchronized with music and includes animated elements like pumpkins and ghosts.

➀ The Music Bundle allows users to build their own synth and DJ mixer with components like circuit boards, screens, and speakers. ➁ The DIY set includes Jay-D DJ Mixer and Synthia for coding synthesizers, with the ability to record samples using a built-in MEMS microphone. ➂ The kit requires assembly and soldering, with a free tool pack included for the process.

➀ Discusses the safety concerns of recharging lithium-ion cells from vapes; ➁ Describes a risk-reducing strategy using a borosilicate glass cooking pot and a current-limited charger; ➂ Highlights the importance of caution and the absence of built-in safety circuits in these cells.

➀ The author needed a wall mount for a 15.6in portable monitor and struggled to find a suitable one for VESA 75. ➁ The solution came from printing a custom mount using a 3D printer. ➂ The design process took about two hours, and the mount is made of PETg with a 2mm shell and 30% infill. It holds the monitor securely.

➀ Arrow Electronics showcased a range of tools, technologies, and kits at the 2024 Hannover Maker Faire; ➁ These offerings were aimed at fostering development within the maker community; ➂ The event aimed to support innovation and creativity among makers.

➀ Introducing the diyPresso One, a customizable espresso machine kit; ➁ The device is priced at €1,250 and features adjustable settings for pressure, temperature, and extraction time; ➂ The machine uses an Arduino MKR WiFi 1010 board for control and offers the ability to save personalized profiles for the perfect espresso.

➀ The article discusses a modern 3D-printed table loom designed by [Fraens], featuring eight shafts for complex weaving patterns. ➁ This loom simplifies traditional weaving techniques, allowing users to experiment with various colors and sequences. ➂ [Fraens] provides detailed instructions and a video tutorial on adapting larger loom patterns to this compact model.

➀ Users discuss the feasibility and cost-effectiveness of building a gaming laptop using desktop components. ➁ Suggestions include using old Clevo laptops, MXM graphics cards, and custom heatsinks. ➂ There is a call for a standardized motherboard format for DIY gaming laptops.

➀ Learn how to combine a Raspberry Pi 5 with Windows 11 to create a mini PC. ➁ Follow detailed instructions for installing Windows 11 on the Raspberry Pi 5. ➂ Understand the benefits and potential uses of running Windows 11 on a Raspberry Pi.

➀ A DIY presence sensor kit using a millimeter wave sensor for motion tracking and heart rate monitoring. ➁ The sensor can detect up to three people and includes an environmental sensor. ➂ The project uses an ESP32 for processing and a 3D-printed case for assembly.

➀ Russell Eveleigh's Zero Pairs project uses a Raspberry Pi to visually explain negative numbers through a display of rotating balls. ➁ The project includes a web-based interface for inputting equations and adjusting settings. ➂ The project is open source, allowing educators and enthusiasts to explore and modify the code.

1. Fractal Design releases 3D printing files for its North Pi case for Raspberry Pi devices. 2. The case is designed to be compact and stylish, with dimensions of 105 x 50 x 96mm. 3. The project encourages DIY enthusiasts to download and print their own cases, potentially expanding to larger mini-tower cases in the future.

❶ A YouTuber, Hyperspace Pirate, demonstrated how to create liquid nitrogen (LN2) using components from refrigerators and air conditioning units. ❷ The homemade cryocooler produced 130cc of LN2 per hour, costing around $1.29 per liter, compared to $5 per liter if bought commercially. ❸ The project was mainly for fun and experimentation, using LN2 to freeze and shatter objects, and to demonstrate superconducting properties with YBCO.

1. Introduces a solder-free modification kit for mini 4WD cars, allowing smartphone control; 2. Features NFC connection assistance and onboard tuning dial for easy setup; 3. Supports advanced customization with additional motors and caterpillar tracks for separate left and right movements.