VoltJots | Electronics and IoT

Issue 47

Author

VoltJots
June 26, 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

How does a nearly 200-year-old technology still have practical relevance in today’s world?

TDK's latest acquisition of SoftEye aims to integrate smart glasses with generative AI, featuring custom chips and eye intent technology for low-power eye tracking and object recognition.

An embedded web server lets you control and monitor devices through a web browser, making it easy to manage everything from smart home systems to industrial controllers without needing complex software.

This robot mimics a salamander's movements with soft actuators, a flexible spine, and a unique electrofluidic system.

US chip export restrictions are pushing China to speed up the consolidation of its semiconductor industry by merging over 200 equipment firms into just 10 major players.

You need a solid strategy and checklist to market open source projects effectively, focusing on community engagement, clear goals, and inviting feedback to maximise your project's impact.

PROJECTS & TUTORIALS

Fancy a real-time pothole and animal detection system? This project enhances road safety by using computer vision to identify hazards and alert drivers.

DUAWLFIN is a hybrid drone that flies and drives using the same motors. The design is open source, with all 3D files, demo videos, and a component list shared online.

LumiTrap offers a solar-powered, eco-friendly bug trap that effectively captures insects without chemicals, making it perfect for gardens, balconies, or campsites.

Exploring the evolution of logic gates, the video dives into diode-transistor and diode-resistor logic, showcasing their construction and historical significance, while highlighting how transistor-transistor logic became the go-to choice for modern electronics.

Create a physical button to trigger your n8n automations and bridge the gap between the digital and physical worlds.

Learn to interface the C1001 60 GHz mmWave sensor with the ESP32 to recognise posture, sleep quality, and even your heartbeat and respiration without any contact.

Connect the ADXL345 accelerometer to your Raspberry Pi and learn to program it with a Python script using Adafruit’s library.

Discover 11 unique Raspberry Pi projects like an automatic pet feeder, a time-lapse camera, and a Ham radio station that you can easily build with just a basic Raspberry Pi board.

PRODUCTS

This ESP32 display module packs a 7-inch IPS screen, capacitive touch, dual-core ESP32 controllers, and supports Arduino, Wi-Fi, and Bluetooth.

This ESP32-S3 development board with PoE, SD card slot, and a camera featuring smart LED back-lighting, plus low-power sleep mode and integrated battery management is designed for edge AI applications.

Up your IoT game with Arduino Stella and Portenta UWB Shield, featuring ultra-wideband tech for precise tracking, easy development with Arduino IDE, and secure data transmission.

If you're stuck for space, check out the SHT40-AD1P-R2 and SHT41-AD1P-R2 RH/temp sensors from Sensirion - they're tiny!

With its new GaN FET and built‑in Schottky diode, Infineon is making power systems more efficient, simpler, and cheaper than traditional silicon setups.

STMicroelectronics launches a fifth-gen Human Presence Detection solution using a compact ToF sensor and AI, and with no image capture, it's a win for privacy.

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