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.
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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.
Nick Electronics supersized the ATmega chip every Arduino fan loves into a working Qi wireless charger, three prototypes and one 90C meltdown later.
8,192 RISC-V microcontrollers, six-layer blades, 650 amps and a pogo-pin flashing rig. Inside the cheapest, strangest GPU ever soldered together.
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,…