div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader042vdocumentinreader042viewer20220307205b05d8fd7f8b9ae9628c3134html5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: MAKE - RoboRoach - Backyard Brains to convert this signal using the most common timer in existence the 555 actually a low-power cousin the 551 By configuring the timer chip into src=https:reader042vdocumentinreader042viewer20220307205b05d8fd7f8b9ae9628c3134html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader042vdocumentinreader042viewer20220307205b05d8fd7f8b9ae9628c3134html5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: MAKE - RoboRoach - Backyard Brains to convert this signal using the most common timer in existence the 555 actually a low-power cousin the 551 By configuring the timer chip into src=https:reader042vdocumentinreader042viewer20220307205b05d8fd7f8b9ae9628c3134html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 3button div class=ts-image a href=https:reader042vdocumentinreader042viewer20220307205b05d8fd7f8b9ae9628c3134html5page3jpg target=_blank amp-img class=ts-thumb alt=Page 3: MAKE - RoboRoach - Backyard Brains to convert this signal using the most common timer in existence the 555 actually a low-power cousin the 551 By configuring the timer chip into src=https:reader042vdocumentinreader042viewer20220307205b05d8fd7f8b9ae9628c3134html5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 4button div class=ts-image a href=https:reader042vdocumentinreader042viewer20220307205b05d8fd7f8b9ae9628c3134html5page4jpg target=_blank amp-img class=ts-thumb alt=Page 4: MAKE - RoboRoach - Backyard Brains to convert this signal using the most common timer in existence the 555 actually a low-power cousin the 551 By configuring the timer chip into src=https:reader042vdocumentinreader042viewer20220307205b05d8fd7f8b9ae9628c3134html5thumbnails4jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 5button div class=ts-image a href=https:reader042vdocumentinreader042viewer20220307205b05d8fd7f8b9ae9628c3134html5page5jpg target=_blank amp-img class=ts-thumb alt=Page 5: MAKE - RoboRoach - Backyard Brains to convert this signal using the most common timer in existence the 555 actually a low-power cousin the 551 By configuring the timer chip into src=https:reader042vdocumentinreader042viewer20220307205b05d8fd7f8b9ae9628c3134html5thumbnails5jpg width=142 height=106 layout=responsive amp-imga divdiv