VoltJots Issue 20

Issue 20

Author

VoltJots
December 05, 2024

Welcome to the latest edition of the VoltJots newsletter, with links to the very best news, projects, and products to help you get your regular electronics fix.

In this week’s lineup, Osmo introduces AI-powered scent sensors for authentication, Raspberry Pi launches the CM5 module with faster processing and enhanced connectivity, and Espressif's ESP32-H2-WROOM-07 delivers Bluetooth LE and Thread in a compact package.

For projects, learn to build a DC motor fan speed controller with Raspberry Pi Pico, a smart thermostat with the Oxocard Connect Innovators Kit, a multipurpose battery tester, and an Arduino-based sound direction detector. And there’s a lot more…

Hope you enjoy! Until next week,

VoltJots

Osmo launches AI-powered scent sensors for authentication, combining technology and olfactory recognition to enhance security and verification processes.

Raspberry Pi just launched the Pico 2 W, a wireless-enabled microcontroller board featuring a dual-core processor, 2MB of RAM, and Wi-Fi capability, all at an affordable price of $7.

Electronica 2024 showcases innovative ultra-low power integrated circuits and sustainable technologies that aim to revolutionize energy efficiency and environmental impact.

You can now set up alerts in the Arduino Cloud to notify you instantly whenever your device goes offline, ensuring you never miss a beat!

Create a smart thermostat using the Oxocard Connect Innovators Kit. This guide features step-by-step instructions, complete component lists, and code examples.

Meet the WalkPi, a homebrew audio player that plays music from an SD card. It is made out of a Raspberry Pi Pico 2 and a DF Mini Player.

Learn how to connect and control a 74HC595 shift register with a Raspberry Pi Pico using MicroPython, complete with a simple wiring guide and example code.

Learn how to build a DC motor fan speed controller using a Raspberry Pi Pico to efficiently manage fan speeds with PWM control.

This smart multipurpose battery tester helps you quickly check battery voltage, capacity, and health using an easy-to-read display and supports various battery types.

Pinpoint where sounds are coming from by building a sound direction detection system using an Arduino and an array of microphones.

Raspberry Pi launches the CM5 module, featuring faster processing, enhanced connectivity options, and a compact design.

The new ESP32-H2 WROOM-07 chip from Espressif offers Bluetooth Low Energy, Thread connectivity, and a compact design, and all for $2.20!

The LilyGO T5 E-Paper S3 Pro combines the powerful ESP32-S3 with a 4.7-inch display and supports wireless charging for enhanced usability.

The LilyGO T-Bao Tiny AI robot combines an ESP32 and a Kendryte K210 RISC-V chip, featuring a camera and display for versatile AI applications!

The ESP32-based Yulc USB-C LED controller features dual power inputs and supports WLED and ESPHome firmware for customizable LED lighting solutions.

 

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