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