Store

Open hardware, in stock and ready to ship.

Small-batch boards I designed and use myself. Every one is open source, fully documented, and links straight to its build notes.

Open source

Schematics, firmware, and build history are all public.

Built to be used

These started as tools I needed, not demos.

Real support

Proper docs, and you can reach me directly if something's off.

Spark Analyzer

$50

Power Monitoring

Analyze and control USB-C power in minutes. Set custom voltages, monitor consumption—all from your phone or laptop.

What it does

See exactly what your USB-C charger and device are negotiating
Set any voltage from 3.3V to 21V with 20mV precision
Monitor current and power draw in real-time via WiFi or BLE
Open-source firmware—customize everything

Size: 50mm x 30mm x 12mm

Weight: 15g

What's Included:

Spark Analyzer board • Quick start guide

Open Checkout - $50

Learn more•GitHub

Tracer

$40

Sensors

Track motion for a month on a single coin cell. Perfect for wearables, sports tracking, and gesture recognition prototypes.

What it does

30+ days battery life from a CR2450 coin cell
6-axis IMU with motion-triggered wake-up
Compact enough to embed in any wearable
Ready for TinyML deployment

Size: 25mm diameter x 8mm

Weight: 8g (without battery)

What's Included:

Tracer board • Quick start guide

Open Checkout - $40

Learn more•GitHub

Plant-Bot

$25

Agriculture

Stop killing plants. Solar-powered monitoring tells you exactly when to water—or does it for you automatically.

What it does

No batteries to change—runs forever on solar
Corrosion-resistant capacitive sensor outlasts cheap probes
WiFi alerts when your plants need attention
Built-in pump driver for fully automated watering

Size: 60mm x 40mm x 15mm (main board), 100mm probe

Weight: 25g

What's Included:

Plant-Bot board • Solar panel • Quick start guide

Open Checkout - $25

Learn more•GitHub

Custom Work

Need something tailored?

If an existing product is close but not quite right, or you need a custom hardware or software build around a specific constraint, I take on selected design and development work.

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