VoltJots | Electronics and IoT

NEWS & ARTICLES

AMD celebrates 40 years of Xilinx

Celebrating 40 years of Xilinx, the FPGA revolutionised engineering by allowing instant programming of custom logic, eliminating long waits for chip fabrication and enabling quick fixes on the fly.

A quick and practical view of USB power delivery (USB-PD) design

USB Power Delivery boosts USB connections with faster, more efficient power handling, letting devices request specific voltages for versatile charging solutions.

SMK rethinks energy storage with solar-powered coin cell battery

SMK's HarvestLoop reimagines the CR2032 coin cell by turning it into a smart energy module that harvests light, supports wireless power transfer, and communicates via BLE.

Zuken brings AI updates to flagship PCB CAD systems

Zuken's latest updates to its CR-8000 Design Gateway and Design Force software use AI to streamline PCB design, enhance design integrity, and automate tedious tasks, making high-speed, high-density electronics design faster and more efficient.

How the shift to multi-die assemblies impacts analogue circuit security

The rise of multi-die assemblies boosts analogue content but introduces new security risks, as chipmakers often overlook potential cyberattacks on analogue circuits amidst a focus on digital security in SoC designs.

ST/Qualcomm-developed Bluetooth/Wi-Fi modules go into mass production

STMicroelectronics kicks off mass production of the ST67W611M1 module, combining Wi-Fi 6 and Bluetooth Low Energy 5.4, thanks to a partnership with Qualcomm to enhance wireless connectivity for STM32 microcontrollers.

Timing startup aims to blend crystal oscillators and PLLs for better performance

Next-gen oscillators and jitter attenuators deliver ultra-low jitter and low phase noise for high-speed applications, ensuring stability and programmability even under extreme conditions.

PROJECTS & TUTORIALS

Portable AI voice assistant using ESP32 and Gemini AI

Build a portable AI voice assistant with ESP32 and Gemini AI for real-time voice interactions, answering questions, solving maths problems, and translating languages on the go.

Firebase: control ESP32 GPIOs from anywhere

Control your ESP32 GPIOs from anywhere using Firebase to save and update their states in real-time.

Get fit with the Piko smartwatch powered by ESP32

Piko smartwatch combines an ESP32 with a triple-axis accelerometer to track your activity levels and steps, all while featuring a 240×240 IPS TFT display and a custom 3D-printed design.

Map remote ID-enabled drones with Colonel Panic’s Mesh Mapper

Map drones with Colonel Panic’s Mesh Mapper, using ESP32-C3 or ESP32-S3 to capture Remote ID data and visualise it in real-time via a Python Flask app, while sharing info across a mesh network with Meshtastic for enhanced detection.

Design your own fingerprint lock

Create a fingerprint lock with Raspberry Pi for secure access using a detailed guide that covers setting up a fingerprint scanner, a servo motor, and customising it for various projects.

Understanding amplitude modulation for long-range wireless audio communication

This guide dives into amplitude modulation theory, circuit design, practical implementation, and real-world testing results, complete with formulas and oscilloscope demos to help you grasp the essentials of AM in radio frequency circuits.

PRODUCTS

ESP32-P4-MINI development board

The ESP32-P4-MINI packs an ESP32-C6 module, dual USB-C ports, MIPI connectors for display and camera, a microSD slot, and all I/Os on two 34-pin GPIO headers.

Adafruit Wiz5500 ethernet co-processor breakout board

Adafruit's Wiz5500 Ethernet Breakout Board lets you easily add a reliable wired Internet connection to your IoT projects, supporting both 3V and 5V microcontrollers with built-in level shifting and quick DHCP setup.

Teensy 4.1-based programmable guitar pedal

This programmable guitar pedal with Teensy 4.1 offers massive processing power for sound creation, high-quality audio with WM8960 codec, and a flexible Teensy Audio Library for custom effects.