sensors & modules
Sipeed SLogic32U3: A 1.4 GS/s Logic Analyzer for Student Budgets
Sipeed's SLogic32U3 hits 1.4 GS/s over USB 3.2 with 32 channels and a browser app. Here is what it adds and how to learn…
esp32 & esp8266
ESP32 as a Wi-Fi Card for Raspberry Pi and Linux SBCs
No USB port and weak Wi-Fi on your Linux board? esp-hosted turns an ESP32 into a wireless card over SPI or SDIO. Here is…
raspberry pi
Raspberry Pi 5 NPU: 25 TOPS at 3 W for Vision and Small LLMs
Sixfab's AI HAT+ puts a 25 TOPS DEEPX NPU on a Raspberry Pi 5 at about 3 W. Here is what it can run,…
raspberry pi
Build a Private Second Brain on Raspberry Pi With Logseq
Keep your notes, references and thesis research on hardware you own: Logseq plus Syncthing turns a Raspberry Pi into a private knowledge base.
diy projects
No CPU, No Software: This Neural Net Lives Inside an Artix-7 FPGA
A Basys 3 FPGA recognizes handwritten digits in half a millisecond with no processor, no OS, and no inference library. Just 25,888 weights turned…
microcontrollers
Add a CircuitPython Watchdog So Your Build Reboots Itself
A frozen microcontroller mid-demo is fixable in ten lines. The CircuitPython watchdog module lets your board detect its own hang and reset itself.
raspberry pi
Raspberry Pi Bootloader Now Draws Splash Screens on SPI Panels
Cyberdecks and Pi handhelds boot to a black screen for seconds. A new firmware extension paints your SPI or I2C panel straight from the…
raspberry pi
Turn Two Knobs Into a Raspberry Pi Internet Radio With MCP3008
Two potentiometers, an MCP3008 ADC and a Raspberry Pi become a knob-tuned internet radio. Here is the SPI wiring and the GPIO Zero code…
raspberry pi
LiteRT on Raspberry Pi 5: Run Gemma and Vision Models Locally
Google's LiteRT CLI puts Gemma and EfficientNet on a Raspberry Pi 5 with three commands. Here is the setup, the file sizes, and the…
raspberry pi
Build a Pocket Route Finder on Raspberry Pi Pico with Dijkstra
A Pico, an SPI LCD and about 60 lines of MicroPython turn Dijkstra's 1956 algorithm into a handheld that finds the cheapest route between…
diy projects
Ben Eater Builds a Breadboard Clock Timed by 60 Hz Wall Power
Ben Eater skips the crystal oscillator and pulls his breadboard clock's one-second heartbeat straight from the 60 Hz AC grid. Here's how the circuit…
news & releases
Antmicro Open-Sources KiCad Files for a 10GbE Thunderbolt NIC
Antmicro released full KiCad files for a permissively licensed dual 10GbE Thunderbolt card, a free reference design for learning high-speed PCB layout.