diy projects
This Arduino Nano-Sized Board Packs a 300 MHz Cortex-M7 Chip
Magmabow squeezed a 300 MHz ATSAME70 Cortex-M7 into an Arduino Nano footprint, and the BGA routing trick he used is worth stealing.
diy projects
This $155 Open-Source 6-DoF Stylus Replaces $5,000 Mocap Rigs
Aalto University's open-source Lighthouse Stylus tracks position and tilt to under 1 mm for about $155 in parts, against $5,000+ for commercial mocap.
diy projects
Raspberry Pi Book of Making 2027: A Weekend Build Queue
The Book of Making 2027 collects a year of magazine builds: origami paper circuits, a PVC-pipe underwater rover, and a first-PCB walkthrough to try.
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.
diy projects
A Palm-Sized Battery Bench Power Supply Built on the ATtiny3216
Ben Makes Everything built a palm-sized battery bench power supply with 0.8V to 22V output, USB-C PD charging, and an ATtiny3216 running the show.
diy projects
This Giant ATmega Chip Doubles as a Qi Wireless Charger
Nick Electronics supersized the ATmega chip every Arduino fan loves into a working Qi wireless charger, three prototypes and one 90C meltdown later.
diy projects
Bitluni’s 8,192-Core DIY GPU Is Built From 13-Cent RISC-V Chips
8,192 RISC-V microcontrollers, six-layer blades, 650 amps and a pogo-pin flashing rig. Inside the cheapest, strangest GPU ever soldered together.
news & releases
Eight Free Maker Tools Just Launched at Circuit.Rocks
Eight free maker calculators just landed at Circuit.Rocks: LED resistor, voltage divider, PCB trace width, logic-level checker, BOM-to-Cart, and more. No login, instant math,…