PJRC Shield with Motion Sensor for 3.2 Teensy and Teensy-LC

Description and Specifications

This shield features a 10-degree motion sensor with an accelerometer / magnetometer / gyroscope, temperature sensor and pressure / barometric altitude sensor.

The shield also has a 2W audio amplifier, two 5V DotStar speed buffers, and an 8MB flash memory for images, audio clips, or data recording.

It's about the size of a Teensy, it's just a bit longer, providing space for mounting holes and power connections, loudspeaker, and LEDs.

• Dimensions: 48.3 mm x 17.7 mm x 3.5 mm / 1.9 x 0.7 x 0.14
• Weight: 3.1 g

Sensor with accelerometer and integrated magnetometer

• 6-axis hardware solution
• Supply voltage from 1.95V to 3.6V VDD, voltage VDDIO from 1.62V to 3.6V
• Data output rate from 1.563Hz to 800Hz for each sensor and up to 400Hz when powered in hybrid mode with both active sensors
• 14-bit ADC for acceleration measurements
• 16-bit ADC for magnetic measurements
• Low power: current consumption of 240μA at 100Hz and 80μA at 25Hz with both active sensors
• 3 mm x 3 mm x 1.2 mm

Pressure / altitude and temperature sensor

• Supply voltage from 1.95V to 3.6V, internally adjusted by LDO
• Supply voltage of the digital interface from 1.6V to 3.6V
• Pressure: 20-bit measurement (Pascal)
• Altitude: 20-bit (meters)
• Temperature: Measurement of 12 bits (degrees Celsius)
• Resolution up to 0.1m
• A data acquisition rate of 1 second to 9 hours
• I2C digital output interface (operating up to 400 kHz)
• 5.0 mm x 3.0 mm x 1.1 mm

Gyroscope

• Supply voltage (VDD): 1.95V - 3.6V
• Interface Supply Voltage (VDDIO) from 1.62V to VDD + 0.3V
• 16 bit output
• ± 250/500/1000/2000^o/s configurable dynamic range
• Spectral noise density of 25 mdps / √Hz at 64Hz bandwidth
• Current consumption in active mode is 2.7 mA
• Fast transition from standby to active mode (60 ms)
• Supported digital interfaces:
  • I2C in standard and fast mode (100/400 kHz)
  • SPI interface (3 and 4 wire modes, up to 2 MHz)
• 4 mm x 4 mm x 1 mm

Audio Amplifier

• Efficiency at 3.6V, 400mW at 8Ω 85%
• Efficiency at 5V, 1W at 8Ω 88%
• Power supply to 5V - 3.2mA
• Output power at Vdd = 5V, RL = 4Ω, THD + N ≤ 10% 2.6W
• Output power at Vdd = 5V, RL = 8Ω, THD + N ≤ 10% 1.6W
• Stop current - 0.01μA

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