In Praise of RPN (with Python or C)
https://hackaday.com/2023/06/21/in-praise-of-rpn-with-python-or-c/

HP calculators, slide rules, and Forth all have something in common: reverse polish notation or RPN. Admittedly, slide rules don’t really have RPN, but you work problems on them the …read more (https://hackaday.com/2023/06/21/in-praise-of-rpn-with-python-or-c/)

No Frills Autonomous Lawnmower Gets The Job Done
https://hackaday.com/2023/06/21/no-frills-autonomous-lawnmower-gets-the-job-done/

[Nathan] needed an autonomous mower to help on the farm, so he built his own without breaking the bank. It might not be the prettiest machine, but it’s been keeping …read more (https://hackaday.com/2023/06/21/no-frills-autonomous-lawnmower-gets-the-job-done/)

Congratulations to Our Op-Amp Challenge Winners!
https://hackaday.com/2023/06/21/congratulations-to-our-op-amp-challenge-winners/

The real world is analog, and the op-amp is the indispensable building block of many analog circuits. We wanted to give you analog fanatics out there a chance to shine …read more (https://hackaday.com/2023/06/21/congratulations-to-our-op-amp-challenge-winners/)

3D Printed Machine Shows How Braiding is Done
https://hackaday.com/2023/06/21/3d-printed-machine-shows-how-braiding-is-done/

If there’s something more fascinating than watching cleverly engineered industrial machines do their work, we don’t know what it could be. And at the top of that list has to …read more (https://hackaday.com/2023/06/21/3d-printed-machine-shows-how-braiding-is-done/)

DingoQuadruped Is a Cheap Canine-Like Robot
https://hackaday.com/2023/06/21/dingoquadruped-is-a-cheap-canine-like-robot/

Robot humanoids are cool, but also a bit hard to make work as they only have two legs to stand on. Four-legged robots can be a bit more approachable. The …read more (https://hackaday.com/2023/06/21/dingoquadruped-is-a-cheap-canine-like-robot/)

FPGA Breakout Board For DIP Package Shenanigans
https://hackaday.com/2023/06/21/fpga-breakout-board-for-dip-package-shenanigans/

FPGAs are supremely flexible and powerful devices. However, they usually come in QFP or BGA packages that are altogether difficult for hobbyists to play with. The DIP-FPGA breakout board aims …read more (https://hackaday.com/2023/06/21/fpga-breakout-board-for-dip-package-shenanigans/)

An Unexpected Upset in EV Charging Standards
https://hackaday.com/2023/06/21/an-unexpected-upset-in-ev-charging-standards/

Fast charging station for electric cars equipped with a quick charger
" data-medium-file="https://hackaday.com/wp-content/uploads/2022/11/car_chargers_AdobeStock_449890707.jpeg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/11/car_chargers_AdobeStock_449890707.jpeg?w=800">Last November, Tesla open-sourced parts of its charging infrastructure, not-so-humbly unveiling it as the North American Charging Standard (NACS). It’s finally taking off with a number of manufacturers signing on. …read more (https://hackaday.com/2023/06/21/an-unexpected-upset-in-ev-charging-standards/)