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