MEP EP#68

Published: May 19, 2017, 2:34 a.m.

Sonic Massage

  • Parker
    • IoT Compressor Update with part list!
      • LSM9DS1
        • IMU for vibration sensing
        • iNEMO inertial module: 3D accelerometer, 3D gyroscope, 3D magnetometer
        • 3.3V, I2C
      • SPU0410HR5H-PB
        • MEMS Microphone
        • 3.3V
        • Analog signal, will be boosted with an opamp
      • TMP102
        • Board Mount Temperature Sensors Low Power Digital Temp Sensor
        • 3.3V, I2C
      • PX3AN2BS250PAAAX
        • Pressure Transducer
        • 1/8" NPT Male fitting
        • 5.0V
        • Analog output 0.5V - 4.5V over pressure range
      • 6225AXXSZS-DC3
        • SSR to control the compressor switch
        • 3VDC to 32VDC control signal
        • Place 10ohm in series from pin from particle photon for protection.
  • Stephen
    • Voltage Standard Calibrated complete!
      • Used the Keithley DMM7510 to dial in the voltage standard.
    • Synth Update: Now with sound effects!  
    • Space Echo is now working
      • Mechanical adjustments are calibration to!
      • Break the tape in to let it run, the sound gets better.
  • Pick Of the Week (POW)
    • OPA549
      • High-Voltage, High-Current Op Amp, Excellent Output Swing
      • 8A Continuous 60V
      • $23.44
      • Could be used for the SSPS
  • Rapid Fire Opinion

Tags: 501J DC Voltage Standard, 6225AXXSZS-DC3, DMM7510, Franklin Robotics, Google Lens, Internet of Useful Things, JuiceZero, Keithley, LSM9DS1, MacroFab, macrofab engineering podcast, MEP, OPA549, Podcast, PX3AN2BS250PAAAX, SPU0410HR5H-PB, Tertill, TMP102