I will design miniature hairbrush pcb using tinyml, mems microphone, dfm, haptic, ble
About this Gig
Your Hairbrush Shouldnt Fight Your Electronics.
Tiny space, noisy sensor signals, battery limitations, BLE instability, vibration interference, ESD risks, and manufacturing failures can turn a promising smart hairbrush into an expensive prototype problem. I engineer the electronics around those real constraints.
WHAT I'LL ENGINEER:
- Miniature Hairbrush PCB
- TinyML Integration
- MEMS Microphone
- BLE Connectivity
- Haptic Feedback
- MCU Selection
- Power Management
- Battery Charging
- ESD Protection
- EMI Control
- DFM Optimization
- Sensor Integration
WHY MY APPROACH WORKS?
- Space conscious engineering
- Low power architecture
- Noise aware routing
- Production focused decisions
- Reliable wireless performance
- Prototype to manufacturing thinking
WHAT LANDS IN YOUR HANDS:
- Complete Schematic
- Optimized PCB Layout
- BOM
- Gerbers
- Source Files
- STEP 3D Model
- Fabrication Files
- Manufacturing Documentation
Stop guessing why your smart hairbrush prototype fails. MESSAGE ME BEFORE ORDERING and let's engineer the electronics around your product.
FAQ
Can you prevent TinyML, MEMS microphone, BLE, and haptic circuits from interfering with each other?
Yes. I separate sensitive signals, manage grounding, power integrity, RF placement, and noise paths so the features can coexist reliably.
Will the PCB actually fit inside my tiny hairbrush housing?
Yes. I account for board thickness, component height, battery clearance, button placement, and enclosure tolerances before finalizing the layout.
How do you protect the MEMS microphone from motor and haptic noise?
I treat acoustic and mechanical noise as an engineering problem, using placement, isolation, filtering, grounding, and signal routing strategies appropriate to the design.
What happens if the PCB works electrically but fails inside the finished product?
I design around the real product environment enclosure geometry, battery, charging, haptics, BLE antenna space, heat, assembly, and user interaction. So the PCB is built for the product, not merely the schematic.
What if my first prototype works but cannot be manufactured consistently?
I apply DFM thinking from the beginning, considering assembly access, component availability, tolerances, footprints, and production constraints not just prototype functionality.

