Block Diagram of the ESP CPA Board (Credit: Courk at courk.cc)
" data-medium-file="https://hackaday.com/wp-content/uploads/2024/01/esp32_side-channel_attack_cpa_board_diagram.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/01/esp32_side-channel_attack_cpa_board_diagram.png?w=800">Espressif’s ESP32 microcontrollers come with a Flash encryption feature that when enabled ensures that the data and code stored on the (usually external) Flash chip is encrypted with AES-256 (ESP32) …read more (https://hackaday.com/2024/01/15/breaking-the-flash-encryption-feature-of-espressifs-microcontrollers/)

Countdown to a Spaceship Simulator
https://hackaday.com/2024/01/16/countdown-to-a-spaceship-simulator/

[Jon Petter Skagmo] claims that the spaceship simulator he’s working on is for his daughter, but we think there’s an excellent chance he’s looking to fulfill a few childhood dreams …read more (https://hackaday.com/2024/01/16/countdown-to-a-spaceship-simulator/)

Betavoltaic Battery Rated To Provide Power For 50 Years
https://hackaday.com/2024/01/16/betavoltaic-battery-rated-to-provide-power-for-50-years/

A newly introduced battery called the BV100 by Chinese Betavolt Technology promises to provide half a century of power, at 100 μW in a 15x15x5 mm package. Inside the package …read more (https://hackaday.com/2024/01/16/betavoltaic-battery-rated-to-provide-power-for-50-years/)

Keebin’ with Kristina: the One with the Really Snazzy Folding Keyboard
https://hackaday.com/2024/01/16/keebin-with-kristina-the-one-with-the-really-snazzy-folding-keyboard/

Sometimes you just have to throw your hat in the ring, and throw it hard. Here is [mkdxdx]’s rockin’ EVH 5150-esque take on the keyboard business. The Mriya foldable keyboard …read more (https://hackaday.com/2024/01/16/keebin-with-kristina-the-one-with-the-really-snazzy-folding-keyboard/)

A Practical Open Source Air Purifier
https://hackaday.com/2024/01/16/a-practical-open-source-air-purifier/

In the years since the start of the coronavirus pandemic, it’s fair to say we’ve all become a lot more aware of the air quality surrounding us. Many of us …read more (https://hackaday.com/2024/01/16/a-practical-open-source-air-purifier/)

Ask Hackaday: Why Are Self-Checkouts Failing?
https://hackaday.com/2024/01/16/ask-hackaday-why-are-self-checkouts-failing/

Most people who read Hackaday have positive feelings about automation. (Notice we said most.) How many times have you been behind someone in a grocery store line waiting for them …read more (https://hackaday.com/2024/01/16/ask-hackaday-why-are-self-checkouts-failing/)

$50 10Gbps Mesh Network uses USB4
https://hackaday.com/2024/01/16/50-10gbps-mesh-network-uses-usb4/

You want to build a cluster of computers, but you need a high-speed network fabric that can connect anything to anything. Big bucks, right? [Fang-Pen] developed a 10 Gbps full-mesh …read more (https://hackaday.com/2024/01/16/50-10gbps-mesh-network-uses-usb4/)

Kinetic Clock Is A Clean Modern Way To Tell Time
https://hackaday.com/2024/01/16/kinetic-clock-is-a-clean-modern-way-to-tell-time/