Metal Hardness Tester
The device has enriched GUI for displaying and storing results as well as controls for user interactions.
Projects
- Leeb Metal Hardness Tester
- The low power Cortex‐M3 (LPC1788)
- Operates on 4.2V Li‐on battery
- 4.3” TFT LCD display.
- 4‐wire resistive touch screen interface.
- Buzzer
Centrifuge System (BLDC drive)
- 115VAC input, 250 Watt 4-pole 3-phase BLDC Motor
- Closed loop Speed and torque control loop
- 16-bit/32-bit, 16MHz/72MHz Microcontroller (STM8 & STM32)
- Smooth acceleration from 0 to 16000 RPM
VOIP System
- ARM9 microcontroller: Cirrus EP9301
- Linux operating system running from external NOR flash
- HPI interface for communicating DSP (16-bit)
- PoE, DC-DC switching regulators
- Managed Ethernet switch for camera and VoIP
- DSP algorithms: Echo cancellation, tone detections etc
Other Projects
Golf Advisor (ARM926)
Universal Motor Controller (STM8)
