My Electronics Engineering experience includes custom mechatronics using
analog and digital circuits, and assembler level PIC chip programming
and ARM Cortex M3 interfacing. Have worked extensively with Nordics nRF5x
primarily involving RF Digital's Simblee and RFduino.
I've done work for volumetric infusion pumps, nano-infusion pumps,
transluminal endarterectomy catheters, ultrasonic guidewires and
catheters, cutting balloon catheters, perfusion catheters, solar tracking,
ultrasonic and sonic circuits, infrared circuits, phase conjugate fiber
optics, magnetics, stepper motor controllers, back-EMF pulse width
modulated motor controllers, data acquisition, sensors, and some limited MPPT.
I have years experience using Linux in custom process control applications.
For the last decade many modern audio video and home theater equipment
manufacturers have spaced their speaker output terminals to 1" to prevent
the use of 3/4" spaced dual banana plugs. The 3/4" dual banana plugs are
now verbotin in Europe since they can accidentally be plugged into their
240V power receptacles. I designed the first and only dual banana plugs
with 1" spacing that will fit these newer receiver designs. The current
standard for dual banana plug safety is 1" spacing.
Dual Banana Plugs with 1 inch spacing
Musicians in small bands who wants to play multiple instruments during a
song with his one amplifier has to quickly unplug and plug instruments or
use a mechanical ABC selector switch. Either way there is some delay and
sometimes confusion. I designed the automatic ABC selector which allows
one of three instruments to be picked up and played without need to pay
attention to switches or plugs.
Musical Instrument Automatic Selector Switch
Some other projects I've had interests in...