Toddler EV Gets Big Boy Battery Upgrade
https://hackaday.com/2022/07/29/toddler-ev-gets-big-boy-battery-upgrade/

No matter the type of vehicle we drive, it has a battery. Those batteries wear out over time. Even high end EV’s have batteries with a finite life. But when …read more (https://hackaday.com/2022/07/29/toddler-ev-gets-big-boy-battery-upgrade/)

CV Based Barking Dog Keeps Home Secure, Doesn’t Need Walking
https://hackaday.com/2022/07/29/cv-based-barking-dog-keeps-home-secure-doesnt-need-walking/

Meet [Tanner]. [Tanner] is a hacker who also appreciates the security of their home while they’re out of town. After doing some research about home security, they found that it …read more (https://hackaday.com/2022/07/29/cv-based-barking-dog-keeps-home-secure-doesnt-need-walking/)

Calculus Made Easy in the Car
https://hackaday.com/2022/07/29/calculus-made-easy-in-the-car/

If you had the traditional engineering education, you’ve made your peace with calculus. If you haven’t, you may have learned it on your own, but for many people, calculus has …read more (https://hackaday.com/2022/07/29/calculus-made-easy-in-the-car/)

Testing Antennas with WSPR
https://hackaday.com/2022/07/29/testing-antennas-with-wspr/

There are many ways to test HF antennas ranging from simulation to various antenna analyzers and bridges. However, nothing can replace simply using the antenna to see how it works. …read more (https://hackaday.com/2022/07/29/testing-antennas-with-wspr/)

When [Carl] Says Jump, PCBs say “How High?”
https://hackaday.com/2022/07/30/when-carl-says-jump-pcbs-say-how-high/

We’ve noticed that [Carl Bugeja] likes flexible PCBs. His latest exploit is to make PCB-based springs that combine with some magnets to create little devices that jump. We aren’t sure …read more (https://hackaday.com/2022/07/30/when-carl-says-jump-pcbs-say-how-high/)

Fix Old Caps, But Keep That “Can Capacitor” Look
https://hackaday.com/2022/07/30/fix-old-caps-but-keep-that-can-capacitor-look/

Vintage electronics and capacitor replacements tend to go hand-in-hand. Why? Because electrolytic capacitors just don’t last, not the way most other components do, anyway. It’s one thing to swap old …read more (https://hackaday.com/2022/07/30/fix-old-caps-but-keep-that-can-capacitor-look/)

Demonstrate Danger, Safely
https://hackaday.com/2022/07/30/demonstrate-danger-safely/