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A Raspberry Pi computer set up with an A/D daughterboard
A digital event counter built when I was fifteen years old.
Patching in an experimental control system to move the Keck 1 telescope, one step closer to a major upgrade.
Switches and indicators for the dome simulator awaiting wiring
Testing a macro setup that uses a Canon 50mm f/1.4 lens, and a 50mm extension tube mounted to the EOS-M.
A makeshift breakout board for a THS7374 video amplifier
A distribution video amplifier built around a THS7324
The transformers for the Keck 2 telescope servo drives
A GPS clock constructed with point-to-point wiring
The remote current controller PCB and case prior to final assembly
A hand wired microcontroller circuit intended to be used to control a pair of inclinometers in the Keck 2 dome.
A sample of the control wiring and circuitry in the Servo Amplifier Assembly
A microcontroller utility PCB layout ready for manufacture
A small linear regulator built on perfboard for use in the dummy battery
Handwired perfboard and standard 74xx digital logic make up an event counter.
Part of the Keck 2 logic board, this PCB assembly controls the various control and safety logic for the Keck 2 telescope.
A bank of relays form the safety interlock system for the telescope.
I/O cards and field wiring in the Keck 2 local controls PLC
The new wiring for the motor and encoder including the new terminal strip
A view of the interior of the handwired dew heater controller
The five LM3405 based LED current regulator modules completed and awaiting testing
When you want to see the stars, find someplace dark