In pages 112 and 113 of the book Build_a_Home_Automation_System_Rui_Santos images of mqqt are wrong where the topic says mqttt in the image is mqttt out and where the topic says mqttt out the image is mqttt in

in page 120 says It also subscribes totwotopics

•home/office/esp1/gpio52 (gpio here is gpio5 no gpio52)

•home/office/esp1/gpio2