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strainamp
Table of Contents
6-ch Strain Gauge Amplifier
Specs
| Category | Sub-Category | Specifications / Details |
|---|---|---|
| Elect. | Supply voltage (V) | 5V from USB or IO connector (power mux, hot swap supported) |
| Current (mA) | ||
| CPU | Reference | PSoC 5LP - CY8C5888LTI-LP097 |
| Special features | Programmable analog and digital blocks | |
| CPU/RAM/IOs | 80MHz ARM Cortex-M3, 256K/64KB, 38 IOs QFN | |
| Software / IDE | PSoC Creator 4.1, C (GCC 5.4) and graphical prog. | |
| Serial interfaces | I2C | 400kHz Slave, 3V3 or 5V, programmable address |
| USB | Full-Speed (FS) 12 Mbps | |
| Strain gauge amplifier | Channels | 6 |
| Gain | Fixed G=125 (can be changed with 0603 resistor) | |
| Offset | Programmable, +V/2 ±20% 8bits, non-volatile | |
| Filter | 585Hz 2nd Order Low-Pass Filter (-3dB) | |
| ADC | Delta-sigma, 12 to 20bits ( > 1kHz per channel @ 16bits) | |
| Supply | 5V | |
| External periph. | Connectors | SG: 14-pin Pico-Blade, IO: 4-pin Pico-Blade |
| Physical | X (mm) | 42 |
| Y (mm) | 29 | |
| Z (mm) | 8.4mm at one end (connectors), rest is below 5.8mm | |
| Weight | 7g | |
| PCB tech. | Layers | 4 |
| Copper | 1 | |
| Trace/space/via | 6/6 mils, 8/20 mils | |
| Assembly | Dual-sided | |
| Other | Integration | 2x M2 mounting screws |
| User Interface | RGB LED, tactile switch |
Connectors
Schematic
LED Patterns
When powered and under normal operation, the onboard LED will flash red and then will turn to a magenta “breathing” patterns (fade in and out slowly)
Firmware
strainamp.txt · Last modified: 2022/05/17 21:58 (external edit)
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