Recent Projects

A (humorous?), battery-powered, WiFi enabled, NTP, clock with arbitrary hour placement; using a servo to actuate the hour hand.

CogClock

Nimbus: An Open-Source aerostat using an internal solar concentrator and ceramic receiver to generate thermal lift. Clean flight, no fuel.

NIMBUS - Solar Balloon for Human Flight

michele-lorenzi Michele Lorenzi

A compact digitally controlled RF 1.8 to 28 MHz platform for HF amateur. DSP mod/demod and integrated FT8 QSO management.

ESP32 HF QRP FT8 Transceiver

guido-iw5alz Guido - IW5ALZ

With my version each hand controls both pitch and volume. The up/down motion controls volume, and the right/left motion controls pitch.

The Stereo Theremin

mike-christle Mike Christle

A tiny FPGA-resident programmable sequencer that controls time and space directly

PTSG — Programmable Timing Sequence Generator

tsuneoohnaka Tsuneo.Ohnaka

Layer-0 KVM-over-IP on Radxa Zero 3W. I convert raw BIOS video into interactive SSH text streams for low-bandwidth remote management.

USBridge-KVM 2.0: BIOS-to-Text & L0 Infrastructure

Solar powered LoraWAN node for continuous air quality monitoring based on Wio-E5 and SEN54 Sensirion sensor

pollutagNode2 - Air Quality Monitor - LoRaWAN

aleksei-tertychnyi Aleksei Tertychnyi

A RISC-V MCU generates cat faces from quantum vacuum fluctuations, then tells you what the universe thinks of you through a speaker.

Schrodinger's De/Motivational Quantum Cat

armstrong-subero Armstrong Subero

Moving development to the RISC-V series of MCUs

A RISCy move

ken-yap Ken Yap

Portable groove box that can be thrown in backpack, set up quickly and produce music on the fly.

Sample.Loop.Repeat

Gamma spectrometer using scintillation crystal, Silicon Photomultiplier (SiPM), and all-digital FPGA signal processing

Silicon Photomultiplier Gamma Spectrometer

robert-gawron Robert Gawron

The CH32V003F4P6 runs at 48MHz with 16KB of Flash and 2KB of SRAM. It one of the cheapest 32-bit MCUs you can get just in $0.10

Arduino Nano Sized CH32V003 Dev Board

sagar-001 Sagar 001

A new kind of turntable stroboscope - the disc itself flickers with a ring of LEDs. No external light needed. Just spin and enjoy!

LED Stroboscope

A home plant watering device based on a simple 8-pin PIC microcontroller and 74HC chips.

Home Plant Watering System Based on the PIC10F202

robert-gawron Robert Gawron

Using a custom six channel muon detector to create a cosmic oracle experience with a high quality e-ink display.

Muon Sortes

allan-binder Allan Binder

Solar-powered smart water vending system using ESP32 and RFID for secure, automated water dispensing in remote areas.

Solar-Powered Smart Water Vending System Using ESP

himanshu-dada Himanshu Dada