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1.00|Ultimate Robotics — the biosignal decade
0.90|2026
0.88|Gesture Lab (biosignal) — a full open suite for working with EMG and IMU data (currently supports uMyos; other sensors welcome and planned) — written in MoonBit + Valence UI.
0.80|CV auto-labeling module (decoding) — built from scratch at the July 2026 hackathon — a camera watches a session and labels the gestures, so the muscle-signal recognizer can learn from footage instead of scarce hand-labels.
0.82|Valence (software) — our open dual-render UI framework — components a person sees and an AI reads at once. This page is built in it.
0.75|2025
0.60|uMyo firmware, modern line (biosignal) — the first of the current firmware improvements on the EMG board.
0.72|2024
0.57|uPPG (biosignal) — open-source photoplethysmograph — v1 wrist-mounted, v2 an on-ear prototype.
0.55|uECG 2 (biosignal) — firmware and hardware prototype.
0.50|make.udevices.io (software) — the documentation site — first pass, gathered from the Hackaday write-ups.
0.45|Maker Faire Kyiv — uECG, uMyo and uLabel — exhibited at home.
0.70|2023
0.62|uLabel (with OpenMuscle) (biosignal) — the early collaboration — a tool for collecting labeled finger-movement data, because labeled data is the scarce input recognition runs on.
0.50|uDuino (radio) — an nRF52-based microcontroller board.
0.48|uMyo satellite PCBs (biosignal) — the ecosystem around the sensor — a LiPo charger, a CR2032 holder.
0.45|uPlant v2 (sensing) — new two-piece PCB, 3D-printed enclosure.
0.60|muscle-controlled gamepad (control) — uMyo driving a game as a controller — muscles as input (a demo from this era).
0.68|2022
0.80|uMyo v1 → v2 (biosignal) — proof of concept, then the first uMyo available for sale.
0.55|modular IoT sensor system (sensing) — composable ESP32 sensor nodes — CO₂, particulates, humidity, temperature, ambient light, relays — daisy-chainable, USB-A or USB-C. Built right before the full-scale invasion.
0.66|2021
0.70|uEMG bracelet (biosignal) — a four-channel wearable EMG; several iterations of an e-textile bracelet.
0.72|gesture recognition (k-means) (decoding) — cluster the muscle-signal features, name the clusters, and you have gestures — the recognition line, made public.
0.30|Muscle signal → a few numbers per short window (amplitude and frequency-band energy) → sort those numbers into named piles. Every method is a different sorter — nearest-neighbour, k-means, and, under the products, a decade of hand-built ML (autoencoders, self-organizing maps, PCA). The camera-labeling work exists to feed that sorter the labels a person can't be bothered to write.
0.45|uPlant v1 (sensing) — plant monitoring that talks to you over a Telegram bot.
0.50|musical instrument digitization (decoding) — capturing how a stringed instrument is actually played — which strings, the process — from its sound.
0.55|wildlife telemetry (biosignal) — a uECG firmware variant for a research lab studying animals; they published with it.
0.60|2020
0.65|uDoc (medical) — an open patient monitor for nRF52-based devices — the many-sensor branch.
0.65|uOxy (medical) — an open-source pulse oximeter.
0.70|HackCorona · #EUvsVirus — uECG, uOxy and uDoc taken to the pandemic hackathons — the open-patient-monitor moment, why uDoc and uOxy exist.
0.62|2019
0.88|uECG (biosignal) — open wireless ECG wearable, on-board processing — a successful Indiegogo campaign, devices shipped.
0.85|individual-finger control from EMG (with uECG) (decoding) — a robotic hand's fingers, one muscle signal each — the recognition high-water mark.
0.55|Skulljack (biosignal) — non-contact capacitive EEG that reads through hair — neurofeedback without the gel. (Prototype begun ~2018.)
0.45|uGlass (biosignal) — an AR module that clips onto your glasses.
0.45|EMG/EXG capacitive electrodes (biosignal) — single-channel hex-shaped boards reading electrical activity.
0.85|the line drawn — no person-tracking (ethics) — after a commercial tracking project, we left that category as the surveillance wave rose. One of the lines we've drawn.
0.35|algae farm (sensing) — a fogponics research prototype — the system and schematics drawn, liked, not carried further.
0.45|wearable ECG holter monitor (LTE/GSM) (medical) — a rare-parts build — client work.
0.55|2018
0.55|proto-uEMG, 4-channel (biosignal) — the first, simpler multichannel EMG board — the line the bracelet later grew from.
0.60|tool tracker for surgeons (medical) — an IMU-and-LED module for guiding the angle of a doctor's tools. Worked well — a nice one.
0.55|dense multi-sensor wearable (biosignal) — the densest board we'd made until recently — optical sensors, wireless charging, pulse. First version shipped.
0.45|activity / calorie tracker (sensing) — inertial tracking of exercise — IMU boards plus the math to estimate effort.
0.50|UWB localization systems (radio) — positioning of players and assets to a few centimetres — DWM-based triangulation.
0.52|2017
0.55|uECG begins (biosignal) — the ECG line starts here; it ships two years on.
0.45|smart-goal soccer (sensing) — a matrix of inertial sensors on a net that reads where a ball hits it — for training.
0.45|EXG electrode, v2 (biosignal) — the multipurpose capacitive electrode — reusable, collects electrical activity without gel.
0.45|radio spectrum analyzer (radio) — a commissioned instrument for reading the RF field itself.
0.50|2016
0.50|programmable robotics for kids (robots) — a board where children place magnet-pieces in sequences; a Hall-sensor matrix reads them and a small RFID-guided robot runs the path — learning to program, physically.
0.70|defibrillator (medical) — the ambitious one — high-voltage capacitor bank, the impulse chain built correctly. An early prototype, and it worked.
0.45|underwater robot (robots) — the UI, the sensor and transmission chain — client work.
0.35|tea robot (robots) — kitchen automation with load cells — unfinished, but real.
0.35|popcorn robot (robots) — an automated popcorn-vendor robot prototype.
0.40|gamepad, reverse-engineered (control) — a flea-market gamepad taken apart, its schematic redrawn, and upgraded.
0.40|inverse kinematics · NIRS · Pip-Boy (robots) — a lot of motion math; a near-infrared/PPG sensor; a spec for a wearable prototype.
0.48|2015
0.50|optical finger-flexion gloves (biosignal) — simple photodiode/LED gloves for reading finger flexion, built in a couple of days — could also drive the robotic arm.
0.65|EMG-controlled inMoov robotic arm (biosignal) — a 3D-printed InMoov arm, driven by muscle signal.
0.50|PPG · pulse metering (biosignal) — the optical heart-signal line begins — pulse detection, then into photoplethysmography.
0.40|camera stabilization (robots) — months of PID and feed-forward on fast brushless motors.
0.40|visitor-counting sensor (sensing) — an Odroid vision unit that counted people entering a shop.
0.45|2014
0.50|mechanics for a robotic arm (biosignal) — for a person with muscle dystrophy.
0.60|robotic prosthesis (biosignal) — the project begins.
0.40|small wheeled robot (robots) — a camera and obstacle detection on a Raspberry Pi — a simple one.
0.42|2012–13
0.50|hexacopter (robots) — "the pizza carrier" — built from scratch, with a Raspberry Pi and some early vision on board. (We wanted to carry pizza. We are not startup material.)
0.45|autonomous wheeled robot (robots) — path-finding, obstacle detection, person-following — camera, later lidar, and UWB that pinned it to under half a metre on a small pitch. First build 2013.
0.45|hexapod (robots) — vision, path-finding, obstacle detection — walked on its own, built from scratch.
0.40|ceiling-walking robot (robots) — a hexapod with vacuum suction feet and high-power motors, meant to walk walls and ceilings. A prototype — unfinished, but it existed.