Collaborate Disseminate
There’s been a lot of buzz about Meshtastic lately, and with good reason. The low-power LoRa-based network has a ton of interesting use cases, and as with any mesh network, …read more Continue reading Get Into Meshtastic On the Cheap With This Tiny Node Kit
Living with Type 1 diabetes is a numbers game. There’s not a moment in the day free from the burden of tracking your blood glucose concentration, making “What’s your number?” …read more Continue reading Custom Smartwatch Makes Diabetes Monitoring Easier for Kids
NEMA-17 steppers are (almost) a dime a dozen. They’re everywhere, they’re well-known to hackers and makers, and yet they’re still a bit hard to integrate into projects. That’s because the …read more Continue reading Compact Driver Powers Steppers with USB-C PD
What can you do with a one-button keyboard? Quite a bit, actually, especially if that key has a little screen on it. That’s the idea behind [Maker M0]’s MagicClick macro …read more Continue reading 2024 Tiny Games Contest: Are You a Good Judge of Time?
One of the fun parts of the ESP32-S3 microcontroller is that it got upgraded to the newer Cadence Xtensa LX7 processor core, which turns out to have a range of …read more Continue reading SIMD-Accelerated Computer Vision on the ESP32-S3
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
Displays are crucial to modern life; they are literally everywhere. But modern flat-panel LCDs and cheap 7-segment LED displays are, well, a bit boring. When we hackers want to display …read more Continue reading An Easy Transparent Edge Lit Display
When word first got out that the Chinese board houses were experimenting with full color silkscreens, many in our community thought it would be a boon for PCB art. Others …read more Continue reading ESP32 Powers Single-PCB ZX Spectrum Emulator
For our next installment, I have a lovely and daring PCB submitted by one of our readers, [Vas]. This is an ESP32-S3 board that also has an onboard round TFT …read more Continue reading PCB Design Review: ESP32-S3 Round LCD Board
Well now why would I want a single-button keyboard, you might be asking yourself. We say it all depends on how you build the thing, and how you program it. …read more Continue reading Single-Button Keyboard Has Multiple Uses