السلام عليكم يا اخواااني:::::::::::

اريد دائرة الكترونية بخصوص ph meter with one probe

مع طريفة عمل الداااااائرة ساااعدوني انا في حاااااااجة لكم.


ودمتم سالمين

ولكم الشكر الجزيل::::::
.ae_table_horiz { width:auto; height:auto; background-color:None; }.ae_td_horiz,.ae_image_td_horiz { padding-bottom: 4px; padding-top: 4px; padding-left: 3px; padding-right: 3px; vertical-align:top; }.ae_image_td_vert, .ae_image_td_horiz { text-align:right; padding-top:4px; padding-bottom:4px; padding-right: 4px; }.ae_image_td_sky { text-align:left; padding-top:4px; padding-bottom:0px; padding-right: 0px; }.ae_bb_td_horiz { padding-bottom: 4px; padding-top: 4px; padding-left: 3px; padding-right: 3px; vertical-align:top; }A.ae_title_horiz, A.ae_image_link_horiz {font-family: Verdana,Sans-Serif; font-size: 13px; font-style: normal; font-weight: bold; font-variant: normal; text-transform: none; color: blue; text-decoration: None; }.ae_desc_horiz {font-family: Verdana,Sans-Serif; font-size: 12px; font-style: normal; font-weight: normal; font-variant: normal; text-transform: none; color: black; }.ae_click_count_horiz {font-family: Verdana,Sans-Serif; font-size: 10px; font-style: normal; font-weight: normal; font-variant: normal; text-transform: none; color: None; }A.ae_powered_horiz {font-family: Verdana,Sans-Serif; font-size: 10px; font-style: normal; font-weight: normal; font-variant: normal; text-transform: none; color: blue; text-decoration: None; }A.ae_yourlink_horiz {font-family: Verdana,Sans-Serif; font-size: 10px; font-style: normal; font-weight: bold; font-variant: normal; text-transform: none; color: blue; text-decoration: None; }A.ae_title_horiz:hover, A.ae_powered_horiz:hover, A.ae_yourlink_horiz:hover, A.ae_image_link_horiz:hover { color: blue; text-decoration: Underline;}.ae_image_horiz { border-width:1px; border-color:blue;}adengage_num_ads = 1;adengage_layout_type = "horiz";adengage_show_your_ad_here = 0;adengage_yourlink_text = "";adengage_show_powered_by = 0;adengage_show_click_count = 0;adengage_class_suffix = adengage_layout_type;adengage_arrow_text = "";window.adengage_draw_break = 1;window.adengage_use_image = 0;window.adengage_image_size = 0;window.adengage_hide_desc = 1;