Check the listing for details. Dutchtronix AVR Scope Clock PCB Board + Optional Pre-Programmed ATMEGA328P IC. Condition: New, Made in United States. Listed at 4.88 USD. Dutchtronix AVR Scope Clock Printed Circuit Boards Brand New. Manufactured to a high standard by JLCPCB. Listing for PCB only. Components need to be sourced separately; see "dutchtronix.com" I CAN ALSO SUPPLY PRE-PROGRAMMED IC FOR AN EXTRA £15, PLEASE SEE MY OTHER LISTING. --Edit-- Following issues with securing the BNC connectors to the boards, I am having new batches produced which have plated through-holes. As of 10th Feb 2026 all boards will be of this revised type. Any questions please ask Despatched with Royal Mail 2nd Class I AM NO LONGER USING THE GSP AS A RESULT OF UNREASONABLE COSTS, IF YOU ARE LOCATED OUTSIDE THE UK PLEASE CONTACT ME BEFORE BUYING FOR AN ACCURATE POSTAGE QUOTE.