{"title":"Timer Kit Parts","description":"\u003cp\u003eIndividual ΔStop 100 components for darkroom builders supplying their own enclosure and hardware. Also available as free open-source files on GitHub and Printables for those with the equipment to make their own.\u003c\/p\u003e","products":[{"product_id":"delta-stop-100-timer-pcb","title":"ΔStop 100 Timer PCB","description":"\u003csection\u003e\n\u003cp\u003eDo you want to build your own ΔStop 100? Then you can just order the PCB that powers the tool! This includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA professionally manufactured PCB\u003c\/li\u003e\n\u003cli\u003eAll components soldered\u003c\/li\u003e\n\u003cli\u003eFully tested\u003c\/li\u003e\n\u003cli\u003eMicrocontroller flashed with ΔStop 100 firmware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou will need to separately provide the housing, knob hardware, power supply (\u003cspan\u003e5VDC 1A), and an appropriate external relay to activate your enlarger. (Such as \u003ca href=\"https:\/\/www.digikey.com\/en\/products\/detail\/sparkfun-electronics\/14236\/7652745\" target=\"_blank\" rel=\"noopener\"\u003ethis\u003c\/a\u003e)\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eΔStop 100 is a dedicated enlarger timer that uses logarithmic, f-stop based timing instead of linear seconds. You set a base exposure in stops and every click changes exposure by a fixed fraction of a stop, so the math stays the same no matter the print size or paper type. That means faster test strips, clearer intent with every change, and less guesswork when a print needs a tiny nudge instead of a full second.\u003c\/p\u003e\n\u003cp\u003eIt behaves the way photographers already think: exposure as stops, not time. The interface is focused on repeatable decisions, so you can move from test to final with confidence and keep a consistent record of the choices that got you there.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/section\u003e","brand":"ΔStop 100","offers":[{"title":"Default Title","offer_id":47965469049052,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3147\/6956\/files\/PCB_727d454f-f828-458f-a9c8-a40325f8c2c2.jpg?v=1774035125"},{"product_id":"delta-stop-100-timer-plastic-parts","title":"ΔStop 100 Timer Faceplate","description":"\u003csection\u003e\n\u003cp\u003eThis laser cut and printed faceplate is what makes the ΔStop 100 so striking looking. Do you want to build your own ΔStop 100? You can 3D print most of it, order or fabricate the PCB yourself, but the faceplate is trickier to make without specialized equipment. That problem is solved because now you can buy this component separately.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eΔStop 100 is a dedicated enlarger timer that uses logarithmic, f-stop based timing instead of linear seconds. You set a base exposure in stops and every click changes exposure by a fixed fraction of a stop, so the math stays the same no matter the print size or paper type. That means faster test strips, clearer intent with every change, and less guesswork when a print needs a tiny nudge instead of a full second.\u003c\/p\u003e\n\u003cp\u003eIt behaves the way photographers already think: exposure as stops, not time. The interface is focused on repeatable decisions, so you can move from test to final with confidence and keep a consistent record of the choices that got you there.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"ΔStop 100","offers":[{"title":"Default Title","offer_id":47965472391388,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3147\/6956\/files\/Faceplate.jpg?v=1774035110"}],"url":"https:\/\/deltastoptimer.com\/collections\/timer-kit-parts.oembed","provider":"Delta Stop","version":"1.0","type":"link"}