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Open-source Hi-res Digital Audio Player
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RHYTHM

mithilesh-gupta-kondaMithilesh Gupta Konda

An ESP32-powered desk gadget with six round displays that appears to spin without any visible axle — the trick is mounting the frame on the
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YUMO Roulette — A "Floating" Spinning Desk Gadget

yumobuildsYUMO.BUILDS

A freeform brass wire sculpture featuring a round capacitive touch screen, 6-axis IMU auto-rotation, and reactive led filaments.
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YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire

yumobuildsYUMO.BUILDS

A hand-bent 1.5mm brass wire clock sculpture powered by ESP32-C3 with NTP time sync, hardware-multiplexed 7-segment display, and 5-stage SK
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YUMO GLOBE

yumobuildsYUMO.BUILDS

Tiny ESP32-C3 desk gadget with OLED, live weather sensing, proximity glow & a phone-controlled web interface.
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YUMO PULSE — ESP32-C3 Desk Gadget

yumobuildsYUMO.BUILDS

A deterministic data machine built on a clock that cannot be argued with
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PTSG-CPU-Formation

tsuneoohnakaTsuneo.Ohnaka

Number sieves are machines that outran computers, 1920s-1990s. A 1982 design in ATtiny412s, aimed at factoring a 16-digit number.
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A Tiny Sieve | Lehmer's Math Machine in ATtinys

kbsriramkbsriram

A low-cost and accurate tool for analyzing the power consumption of ultra-low power and IoT devices with rapidly changing current usage
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MetaShunt: High Dynamic Range Current Measurement

jake-wachlinJake Wachlin

The first truly personal device for kids — designed to grow with them from drawing sprites to writing C++
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RCKid

zdukaZduka

A BJT, a bad mixer, a microcontroller ADC, and entirely too much software.
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Build Any RF Frontend With a Transistor

oleg-kulykOleg Kulyk

Where we excavate the firmware ROM of the 1981 Busch 2090 Microtronic Computer System from its mask-programmed TI TMS1600 Microcontroller
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Microtronic Firmware ROM Archaeology

michael-wesselMichael Wessel

A Practical 4-Bit Educational Computer * Reinvented Retro Contest 2021 Winner *
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Microtronic - The Next Generation

michael-wesselMichael Wessel

Compute like its 1981 - hex on a 6digit 7segment LED bubble display! (One of the) RetroChallenge 2021/10 "Winners"
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A Retro-Authentic Microtronic - RC 2021/10 Winner

michael-wesselMichael Wessel

A Talking Arduino-Based Emulator of the Busch 2090 Microtronic Computer System.
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The Talking Microtronic Computer System Emulator

michael-wesselMichael Wessel

After 45 years, the original Microtronic firmware ROM rises from the ashes and flies with new hardware!
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Microtronic Phoenix

michael-wesselMichael Wessel

compact, energy-efficient, battery-powered system for ePaper-based display of information gathered via Wi-Fi
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Tinta - low power wireless epaper device

casparcaspar

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