{"product_id":"9781516847129","title":"Arduino Model Railroad Signals: And Other Projects","description":"This book provides ideas for the model railroad enthusiast to develop automated signal projects. Most of these projects are HO scale, however there is one G scale semaphore signal. It also provides the basics on using and programming the Arduino micro-controller. These projects are great starting points for projects that specifically fit the model railroader's own system.","brand":"CreateSpace Publishing","offers":[{"title":"Default Title","offer_id":48105861578992,"sku":"9781516847129","price":22.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781516847129_p0.jpg?v=1763727958","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781516847129","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}