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