Collaborate Disseminate
The basics of keyboard design are tried and true at this point, but there are still a few aspects yet unconquered. One of them is making your keyboards wireless. You …read more Continue reading Making Your Wireless Keyboard Truly Low-Power
If you’re pairing a tiny Linux computer to a few peripherals — perhaps you’re building a reasonably custom Pi-powered device — it’s rightfully tempting to use something like an STM32 …read more Continue reading Coupling STM32 And Linux? Consider HID over I2C
While we are used to USB WiFi adapters, embedded devices typically use SDIO WiFi cards, and for good reasons – they’re way more low-power, don’t take up a USB port, …read more Continue reading ESP-Hosted Turns ESP32 Into Linux WiFi/BT Adapter
This article was prompted by a friend of mine asking for help on a board with an ESP32 heart. The board outputs 2.1 V instead of 3.3 V, and it …read more Continue reading Design Review: Switching Regulator Edition
We’ve seen prolific firmware hacker [Aaron Christophel] tackle smart devices of all sorts, and he never fails to deliver. This time, he’s exploring a device that seems like it could …read more Continue reading New Part Day: A Hackable Smart Ring
Some hacks are implemented well enough that they can imitate involved and bespoke parts with barely any tools. [CodeName X]’s Thinkpad X1 Tablet Keyboard to USB adapter is one such …read more Continue reading Use Your Thinkpad X1 Tablet’s Keyboard Standalone
[endes0] has been hacking with USB HID recently, and a Logitech M185 mouse’s USB receiver has fallen into their hands. Unlike many Logitech mice, this one doesn’t include a Unifying …read more Continue reading Uncovering Secrets Of Logitech M185’s Dongle
Do you have a 5 V device you want to run 24/7, no matter whether you have electricity? Not to worry – Linear Technology has made a perfect IC for …read more Continue reading PCB Design Review: A 5V UPS With LTC4040
We would not be surprised if DSI screens made up the majority of screens on our planet at this moment in time. If you own a smartphone, there’s a 99.9% …read more Continue reading Displays We Love Hacking: DSI
Last time, we went over switching regulator basics – why they’re wonderful, how do you find a switching regulator chip for your purpose, and how to easily pick an inductor …read more Continue reading Switching Regulator Layout For Dummies