Reverse Time Back to the Days of RPN
https://hackaday.com/2024/09/26/reverse-time-back-to-the-days-of-rpn/

While Texas Instruments maintains dominance in the calculator market (especially graphing calculators), there was a time when this wasn’t the case. HP famously built the first portable scientific calculator, the …read more (https://hackaday.com/2024/09/26/reverse-time-back-to-the-days-of-rpn/)

A Universal RF Amplifier
https://hackaday.com/2024/09/26/a-universal-rf-amplifier/

If you need an amplifier, [Hans Rosenberg] has some advice. Don’t design your own; grab cheap and tiny RF amplifier modules and put them on a PCB that fits your …read more (https://hackaday.com/2024/09/26/a-universal-rf-amplifier/)

Want To Help Capture Some Digital Ephemera? Break Out Your VHS Player
https://hackaday.com/2024/09/26/want-to-help-capture-some-digital-ephemera-break-out-your-vhs-player/

Do you live in the UK, have a VCR and capture card, and an interest in Teletext? [James O’Malley] needs your help! Teletext was, for many people around the world, …read more (https://hackaday.com/2024/09/26/want-to-help-capture-some-digital-ephemera-break-out-your-vhs-player/)

Stretch Goal: 300X Arduino
https://hackaday.com/2024/09/26/stretch-goal-300x-arduino/

The Faboratory at Yale University has set a number of stretch goals. We don’t mean that in the usual sense. They’ve been making, as you can see in the video …read more (https://hackaday.com/2024/09/26/stretch-goal-300x-arduino/)

Blinking an LED Passively
https://hackaday.com/2024/09/27/blinking-an-led-passively/

It is a pretty common first project to use an Arduino (or similar) to blink an LED. Which, of course, brings taunts of: you could have used a 555! You …read more (https://hackaday.com/2024/09/27/blinking-an-led-passively/)

British Commuters Get Their WiFi Hacked
https://hackaday.com/2024/09/27/british-commuters-get-their-wifi-hacked/

As if there weren’t enough worrying global news stories already, today the British press and media have been full of a story involving the public WiFi networks at some major …read more (https://hackaday.com/2024/09/27/british-commuters-get-their-wifi-hacked/)

This Week in Security: Password Sanity, Tank Hacking, And The Mystery 9.9
https://hackaday.com/2024/09/27/this-week-in-security-password-sanity-tank-hacking-and-the-mystery-9-9/