https://edurobots.org/book/yurij-vinnickij-aleksandr-grigorev-scratch-i-arduino-dlya-yunyx-programmistov-i-konstruktorov/ 2018-06-08T05:48:07+00:00 daily 0.6 https://edurobots.org/book/marko-shvarc-internet-veshhej-s-esp8266/ 2018-06-01T04:49:20+00:00 daily 0.6