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