The pull-down issue with the RP2350 demonstrated by Ian Lesnet.
" data-medium-file="https://hackaday.com/wp-content/uploads/2024/08/89ded667f4663b35.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/08/89ded667f4663b35.jpg?w=800" tabindex="0" role="button">There’s currently a significant amount of confusion around the full extent of the GPIO hardware issue in the Raspberry Pi RP2350 microcontroller, with [Ian] over at [Dangerous Prototypes] of Bus …read more (https://hackaday.com/2024/09/04/the-worsening-raspberry-pi-rp2350-e9-erratum-situation/)

Humble 555 Gets a Boost for ESR Meter
https://hackaday.com/2024/09/04/humble-555-gets-a-boost-for-esr-meter/

[Peter Demchenko] wanted to use a low power TS555 in an ESR meter design. The problem is, he needed to handle significant current sink requirements for cases where the capacitor …read more (https://hackaday.com/2024/09/04/humble-555-gets-a-boost-for-esr-meter/)

Floorboard Is a Keyboard for Your Feet
https://hackaday.com/2024/09/04/floorboard-is-a-keyboard-for-your-feet/

Whether you have full use of your hands or not, a foot-operated keyboard is a great addition to any setup. Of course, it has to be a lot more robust …read more (https://hackaday.com/2024/09/04/floorboard-is-a-keyboard-for-your-feet/)

How Sony Mastered the Transistor
https://hackaday.com/2024/09/04/how-sony-mastered-the-transistor/

When you think of Sony, you probably think of a technology company that’s been around forever. However, as [Asianometry] points out, it really formed in the tough years after World …read more (https://hackaday.com/2024/09/04/how-sony-mastered-the-transistor/)

Tactile Communication Board Speaks the Truth
https://hackaday.com/2024/09/05/tactile-communication-board-speaks-the-truth/

Sometimes, simple things can make a world of difference. Take for example a non-verbal person who can’t necessarily control a touch screen in order to tell someone else what they …read more (https://hackaday.com/2024/09/05/tactile-communication-board-speaks-the-truth/)

Getting Root on Cheap WiFi Repeaters, the Long Way Around
https://hackaday.com/2024/09/05/getting-root-on-cheap-wifi-repeaters-the-long-way-around/

What can you do with a cheap Linux machine with limited flash and only a single free GPIO line? Probably not much, but sometimes, just getting root to prove you …read more (https://hackaday.com/2024/09/05/getting-root-on-cheap-wifi-repeaters-the-long-way-around/)

I2C For Hackers: Digging Deeper
https://hackaday.com/2024/09/05/i2c-for-hackers-digging-deeper/

Last time, I gave you an overview of what you get from I2C, basics like addressing, interface speeds, and a breakdown of pullups. Today, let’s continue looking into I2C capabilities …read more (https://hackaday.com/2024/09/05/i2c-for-hackers-digging-deeper/)