VoltJots Issue 37

Issue 37

Author

VoltJots
April 17, 2025

Welcome to the latest edition of the VoltJots newsletter, linking you to the very best electronics and IoT news, products, and projects.

Hope you enjoy! Until next week,

VoltJots

NEWS & ARTICLES

Iten's new tiny solid state battery discharges at 200C, powering IoT devices with peak currents for wireless transmissions. It can recharge in 6 minutes, and performs well in extreme temperatures.

Researchers are working on a revolutionary brain-computer interface that can turn thoughts into natural-sounding speech in real-time.

John Logie Baird was the first to demonstrate a working television system and the first color TV, paving the way for future tech with his relentless experiments and public showcases.

Pairing programming with an AI assistant can supercharge your embedded systems development by enhancing software quality, testability, and scalability while, at the same time, modernize your workflow.

Allegro Microsystems, TDK, and Diodes Incorporated have introduced new magnetic sensors aimed at boosting motor control accuracy and thermal management for next-gen vehicles.

PROJECTS & TUTORIALS

I'm creating an FM radio for my brother, focusing on easy controls, a powerful battery, and Bluetooth audio, while sharing all design files openly to help others in similar situations.

This automated chicken guardian uses object detection to identify and scare away predators, and notifies the owners of their presence with a literal siren.

You can turn Raspberry Pis into cool wall decorations like digital photo frames, arcade games, home dashboards, or even a DIY NAS with Lego.

Set up an ESP32 web server to adjust settings, view sensor data, and send email alerts when specific temperature thresholds are hit.

Control dual DC motors using the XIAO ESP32-C3 and DRV8833 motor driver module.

PRODUCTS

The Elecrow Pico W5 is a microcontroller development board that offers a range of impressive upgrades over the Raspberry Pi Pico W, including dual-band Wi-Fi, Bluetooth 5.0, and USB-C connectivity, all at an affordable price of $6.90.

Control up to 8 solenoids at a time with this I2C to GPIO expander board.

MIPS just dropped its Warrior M microcontroller core, boasting hardware virtualization, a floating point unit, and anti-tamper features, with some seriously impressive performance metrics of 1.57 Dmips/MHz and 3.44 CoreMark/MHz.

The XMC7000 MCU now supports six major industrial protocols, making it easier and faster to develop reliable automation systems with its powerful dual Cortex-M7 cores and robust performance in extreme conditions.

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