Store
Hardware boards, ready to build with.
Small-batch boards I designed and use myself. Explore the details, then check shipping and the final total at checkout.
Maker boards
Built for development and prototyping.
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
Power Monitoring
Analyze and control USB-C power in minutes. Set custom voltages, monitor consumption—all from your phone or laptop.
Ships from UK in ~1 week · Shipping & returns
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

Tracer
Sensors
Track motion for a month on a single coin cell. Perfect for wearables, sports tracking, and gesture recognition prototypes.
Ships from UK in ~1 week · Shipping & returns
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

Plant-Bot
Agriculture
Stop killing plants. Solar-powered monitoring tells you exactly when to water—or does it for you automatically.
Ships from UK in ~1 week · Shipping & returns
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
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.
Request a Quote