EESchema Schematic File Version 4 LIBS:plug_wheatstone-cache EELAYER 29 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L Device:R R2 U 1 1 5D7FF371 P 5901 2617 F 0 "R2" H 5971 2663 50 0000 L CNN F 1 "1k" H 5971 2572 50 0000 L CNN F 2 "" V 5831 2617 50 0001 C CNN F 3 "~" H 5901 2617 50 0001 C CNN 1 5901 2617 1 0 0 -1 $EndComp $Comp L Device:R R3 U 1 1 5D8028F2 P 8008 2615 F 0 "R3" H 8078 2661 50 0000 L CNN F 1 "1k" H 8078 2570 50 0000 L CNN F 2 "" V 7938 2615 50 0001 C CNN F 3 "~" H 8008 2615 50 0001 C CNN 1 8008 2615 1 0 0 -1 $EndComp $Comp L Sensor_Temperature:PT1000 TH1 U 1 1 5D820852 P 8008 3913 F 0 "TH1" H 7648 4018 50 0000 L CNN F 1 "PT1000" H 7527 3865 50 0000 L CNN F 2 "" H 8008 3963 50 0001 C CNN F 3 "https://www.heraeus.com/media/media/group/doc_group/products_1/hst/sot_to/de_15/to_92_d.pdf" H 8008 3963 50 0001 C CNN 1 8008 3913 1 0 0 -1 $EndComp $Comp L Device:R_US R4 U 1 1 5D802B92 P 8611 3917 F 0 "R4" H 8679 3963 50 0000 L CNN F 1 "R_US" H 8679 3872 50 0000 L CNN F 2 "" V 8651 3907 50 0001 C CNN F 3 "~" H 8611 3917 50 0001 C CNN 1 8611 3917 1 0 0 -1 $EndComp Wire Wire Line 5900 2300 5900 2470 Text GLabel 5845 4398 0 50 Input ~ 0 GND Wire Wire Line 6500 3240 5900 3240 Wire Wire Line 8008 2473 8008 2465 Connection ~ 8008 2300 Wire Wire Line 8008 2300 8010 2300 Connection ~ 8008 2465 Wire Wire Line 8008 2465 8008 2300 Wire Wire Line 5901 2458 5901 2467 Connection ~ 5901 2467 Wire Wire Line 5901 2467 5901 2475 Wire Wire Line 5901 2757 5901 2767 Wire Wire Line 5901 2776 5899 2776 Connection ~ 5901 2767 Wire Wire Line 5901 2767 5901 2776 Wire Wire Line 3364 4389 3363 4389 $Comp L Analog_switch_Laborem:ADG417BN U1 U 2 1 5D8830CA P 4487 1927 F 0 "U1" V 4162 1927 50 0000 C CNN F 1 "DG418LDJ" V 4253 1927 50 0000 C CNN F 2 "Package_DIP:DIP-8_W7.62mm" H 4487 1827 50 0001 C CNN F 3 "https://datasheets.maximintegrated.com/en/ds/DG417-DG419.pdf" H 4487 1927 50 0001 C CNN 2 4487 1927 0 1 1 0 $EndComp Wire Wire Line 3364 2301 3364 2739 $Comp L Analog_switch_Laborem:ADG417BN U2 U 1 1 5D893A06 P 6796 3241 F 0 "U2" H 6797 3485 50 0000 C CNN F 1 "DG418LDJ" H 6793 3396 50 0000 C CNN F 2 "Package_DIP:DIP-8_W7.62mm" H 6796 3141 50 0001 C CNN F 3 "https://datasheets.maximintegrated.com/en/ds/DG417-DG419.pdf" H 6796 3241 50 0001 C CNN 1 6796 3241 1 0 0 -1 $EndComp $Comp L Analog_switch_Laborem:ADG417BN U2 U 2 1 5D8940EB P 6702 1946 F 0 "U2" V 6390 1873 50 0000 L CNN F 1 "DG418LDJ" V 6488 1765 50 0000 L CNN F 2 "Package_DIP:DIP-8_W7.62mm" H 6702 1846 50 0001 C CNN F 3 "https://datasheets.maximintegrated.com/en/ds/DG417-DG419.pdf" H 6702 1946 50 0001 C CNN 2 6702 1946 0 1 1 0 $EndComp $Comp L Device:R R1 U 1 1 5D806A67 P 7722 3240 F 0 "R1" V 7632 3279 50 0000 L CNN F 1 "10" V 7635 3132 50 0000 L CNN F 2 "" V 7652 3240 50 0001 C CNN F 3 "~" H 7722 3240 50 0001 C CNN 1 7722 3240 0 -1 -1 0 $EndComp Wire Wire Line 7085 3240 7572 3240 Connection ~ 7572 3240 Wire Wire Line 7572 3240 7581 3240 Wire Wire Line 7872 3240 8008 3240 Connection ~ 8008 2765 Wire Wire Line 8008 2765 8008 2757 Wire Wire Line 8008 2765 8008 3240 Connection ~ 8008 3240 Wire Wire Line 8008 3240 8008 3763 Connection ~ 8008 3763 Wire Wire Line 8008 3763 8008 3770 Wire Wire Line 8008 4051 8008 4063 Wire Wire Line 8003 3751 8003 4398 Wire Wire Line 5845 4398 5988 4398 Connection ~ 5988 4398 Wire Wire Line 5988 4398 8003 4398 Text Notes 8097 3939 0 50 ~ 10 <= Heating Text GLabel 8740 3254 2 50 Input ~ 0 V_heat Text GLabel 8701 4379 2 50 Input ~ 0 GND Wire Wire Line 8703 4379 8611 4379 Wire Wire Line 8611 4379 8611 4067 Connection ~ 8611 4067 Wire Wire Line 8611 4067 8611 4058 $Comp L Device:R R7 U 1 1 5D8B0666 P 5900 3559 F 0 "R7" H 5970 3605 50 0000 L CNN F 1 "470" H 5970 3514 50 0000 L CNN F 2 "" V 5830 3559 50 0001 C CNN F 3 "~" H 5900 3559 50 0001 C CNN 1 5900 3559 1 0 0 -1 $EndComp Wire Wire Line 5900 2770 5900 3240 Connection ~ 5900 3240 Wire Wire Line 5900 3240 5900 3409 Connection ~ 5900 3409 Wire Wire Line 5900 3409 5900 3423 Text Notes 5088 3924 0 50 ~ 0 1k Text GLabel 6301 3008 0 50 Input ~ 0 Ub Wire Wire Line 6301 3008 6373 3008 Wire Wire Line 6373 3008 6373 3239 Text GLabel 7421 3007 2 50 Input ~ 0 Ua Wire Wire Line 7423 3007 7354 3007 Wire Wire Line 7354 3007 7354 3238 Wire Wire Line 8741 3253 8611 3253 Wire Wire Line 8611 3253 8611 3767 Connection ~ 8611 3767 Wire Wire Line 8611 3767 8611 3788 Text GLabel 2185 2441 2 50 Input ~ 0 +15V Text GLabel 2187 2545 2 50 Input ~ 0 GND $Comp L Connector_Generic:Conn_01x18 J1 U 1 1 5D807DE1 P 1925 3248 F 0 "J1" H 1876 2194 50 0000 L CNN F 1 "Conn_01x18" H 1534 2063 50 0000 L CNN F 2 "" H 1925 3248 50 0001 C CNN F 3 "~" H 1925 3248 50 0001 C CNN 1 1925 3248 -1 0 0 -1 $EndComp Text GLabel 2194 2649 2 50 Input ~ 0 -15V Text GLabel 2196 2753 2 50 Input ~ 0 +5V Text GLabel 2198 2854 2 50 Input ~ 0 +3V3 Text GLabel 2262 3046 2 50 Input ~ 0 E Text GLabel 2252 3243 2 50 Input ~ 0 Ua Text GLabel 2259 3347 2 50 Input ~ 0 Ub Text GLabel 2236 3545 2 50 Input ~ 0 V_heat Text GLabel 2264 3746 2 50 Input ~ 0 SW1_cmd Text GLabel 2261 3855 2 50 Input ~ 0 SW2_cmd Text GLabel 2232 4046 2 50 Input ~ 0 Pot_SDA Text GLabel 2229 4155 2 50 Input ~ 0 Pot_SCL $Comp L Device:R R6 U 1 1 5D8D838B P 4226 3548 F 0 "R6" H 4296 3594 50 0000 L CNN F 1 "1k" H 4296 3503 50 0000 L CNN F 2 "" V 4156 3548 50 0001 C CNN F 3 "~" H 4226 3548 50 0001 C CNN 1 4226 3548 1 0 0 -1 $EndComp Text GLabel 4620 3266 0 50 Input ~ 0 +15V Text GLabel 3701 3369 0 50 Input ~ 0 +5V Wire Wire Line 3364 3323 3364 3339 Text GLabel 3218 4390 0 50 Input ~ 0 GND Wire Wire Line 3215 4390 3364 4390 $Comp L Analog_Switch:DG418LDJ U1 U 1 1 5D886B9F P 3364 3039 F 0 "U1" V 3217 3240 50 0000 C CNN F 1 "DG418LDJ" V 3390 3347 50 0000 C CNN F 2 "Package_DIP:DIP-8_W7.62mm" H 3364 2939 50 0001 C CNN F 3 "https://datasheets.maximintegrated.com/en/ds/DG417-DG419.pdf" H 3364 3039 50 0001 C CNN 1 3364 3039 0 1 1 0 $EndComp Text GLabel 3098 2300 0 50 Input ~ 0 E Connection ~ 3364 2739 Wire Wire Line 3364 2739 3364 2740 Connection ~ 3364 3339 Text GLabel 3789 3838 0 50 Input ~ 0 Pot_SDA Text GLabel 3789 3938 0 50 Input ~ 0 Pot_SCL $Comp L Device:R R5 U 1 1 5D8D9332 P 4017 3570 F 0 "R5" H 4087 3616 50 0000 L CNN F 1 "1k" H 4087 3525 50 0000 L CNN F 2 "" V 3947 3570 50 0001 C CNN F 3 "~" H 4017 3570 50 0001 C CNN 1 4017 3570 1 0 0 -1 $EndComp Wire Wire Line 3098 2300 5900 2300 Connection ~ 5900 2300 Wire Wire Line 5900 2300 8008 2300 Wire Wire Line 4545 3369 4544 3369 Wire Wire Line 4017 3420 4017 3369 Connection ~ 4017 3369 Wire Wire Line 4017 3369 3701 3369 Wire Wire Line 4226 3398 4226 3369 Connection ~ 4226 3369 Wire Wire Line 4226 3369 4017 3369 Wire Wire Line 4685 3387 4684 3387 Wire Wire Line 4684 3381 4684 3488 Connection ~ 4684 3938 Wire Wire Line 4685 3938 4684 3938 $Comp L SnapEDA:AD5258BRMZ1 U3 U 1 1 5D83B3E4 P 5234 3888 F 0 "U3" H 5235 4542 50 0000 C CNN F 1 "AD5258BRMZ1" H 5217 4461 50 0000 C CNN F 2 "SOP50P490X110-10N" H 5234 3888 50 0001 L BNN F 3 "" H 5234 3888 50 0001 L BNN F 4 "AD5258BRMZ1" H 5234 3888 50 0001 L BNN "Field4" F 5 "MSOP-10 Analog Devices" H 5234 3888 50 0001 L BNN "Field5" F 6 "Unavailable" H 5234 3888 50 0001 L BNN "Field6" F 7 "None" H 5234 3888 50 0001 L BNN "Field7" F 8 "Analog Devices" H 5234 3888 50 0001 L BNN "Field8" 1 5234 3888 1 0 0 -1 $EndComp Wire Wire Line 4685 4388 4684 4388 Wire Wire Line 3365 4388 3365 4390 Connection ~ 4684 4388 Wire Wire Line 4684 4138 4405 4138 Wire Wire Line 4405 4138 4405 4388 Wire Wire Line 3364 3339 3364 4390 Connection ~ 4405 4388 Wire Wire Line 4405 4388 3365 4388 Wire Wire Line 4684 4238 4583 4238 Wire Wire Line 4583 4238 4583 4386 Wire Wire Line 4405 4388 4684 4388 Wire Wire Line 4685 3397 4685 3387 Wire Wire Line 4619 3265 4685 3265 Connection ~ 4685 3387 Wire Wire Line 4685 3387 4685 3265 Wire Wire Line 4544 3369 4544 3638 Wire Wire Line 4544 3638 4684 3638 Connection ~ 4544 3369 Wire Wire Line 4544 3369 4226 3369 Wire Wire Line 3788 3838 4684 3838 Connection ~ 4684 3838 Wire Wire Line 4684 3838 4685 3838 Wire Wire Line 4017 3720 4017 3837 Wire Wire Line 3789 3938 3789 3939 Wire Wire Line 3789 3938 4226 3938 Wire Wire Line 4226 3698 4226 3938 Connection ~ 4226 3938 Wire Wire Line 4226 3938 4684 3938 Wire Wire Line 5900 3888 5734 3888 Wire Wire Line 5900 3689 5900 3709 Connection ~ 5900 3709 Wire Wire Line 5900 3709 5900 3888 Connection ~ 5734 3888 Wire Wire Line 5734 3888 5732 3888 Wire Wire Line 5733 4238 5734 4238 Wire Wire Line 5988 4238 5988 4398 Connection ~ 5734 4238 Wire Wire Line 5734 4238 5988 4238 Text GLabel 3070 3040 0 50 Input ~ 0 SW1_cmd Wire Wire Line 3070 3039 3164 3039 Connection ~ 3164 3039 Wire Wire Line 3164 3039 3165 3039 Text GLabel 6750 3501 0 50 Input ~ 0 SW2_cmd Wire Wire Line 6750 3501 6796 3501 Wire Wire Line 6796 3501 6796 3441 Connection ~ 6796 3441 Wire Wire Line 6796 3441 6796 3439 Text GLabel 3846 1927 0 50 Input ~ 0 GND Wire Wire Line 3988 1927 3987 1927 Connection ~ 3987 1927 Wire Wire Line 3914 2027 3914 1928 Wire Wire Line 3914 2027 3987 2027 Connection ~ 3987 2027 Wire Wire Line 3987 2027 3989 2027 Wire Wire Line 3845 1927 3987 1927 Wire Wire Line 6129 2046 6129 1947 Wire Wire Line 6129 2046 6202 2046 Wire Wire Line 6060 1946 6202 1946 Text GLabel 6061 1946 0 50 Input ~ 0 GND Wire Wire Line 4987 2027 5103 2027 Text GLabel 5102 2029 2 50 Input ~ 0 +5V Wire Wire Line 4988 1927 5102 1927 Text GLabel 5101 1927 2 50 Input ~ 0 +15V Wire Wire Line 7201 2046 7202 2046 Text GLabel 7316 2048 2 50 Input ~ 0 +5V Wire Wire Line 7202 1946 7316 1946 Text GLabel 7315 1946 2 50 Input ~ 0 +15V Connection ~ 7202 2046 Wire Wire Line 7202 2046 7317 2046 Wire Wire Line 2123 2448 2125 2448 Wire Wire Line 2156 2448 2156 2441 Wire Wire Line 2156 2441 2185 2441 Connection ~ 2125 2448 Wire Wire Line 2125 2448 2156 2448 Wire Wire Line 2188 2545 2159 2545 Wire Wire Line 2159 2545 2159 2548 Wire Wire Line 2159 2548 2125 2548 Connection ~ 2125 2548 Wire Wire Line 2125 2548 2122 2548 Wire Wire Line 2126 2649 2126 2648 Wire Wire Line 2126 2649 2195 2649 Wire Wire Line 2196 2753 2165 2753 Wire Wire Line 2165 2753 2165 2748 Wire Wire Line 2165 2748 2125 2748 Wire Wire Line 2198 2854 2165 2854 Wire Wire Line 2165 2854 2165 2848 Wire Wire Line 2165 2848 2125 2848 Connection ~ 2125 2848 Wire Wire Line 2125 2848 2123 2848 Wire Wire Line 2262 3046 2220 3046 Wire Wire Line 2220 3046 2220 3048 Wire Wire Line 2220 3048 2125 3048 Wire Wire Line 2252 3243 2198 3243 Wire Wire Line 2198 3243 2198 3248 Wire Wire Line 2198 3248 2125 3248 Wire Wire Line 2258 3346 2205 3346 Wire Wire Line 2205 3346 2205 3348 Wire Wire Line 2205 3348 2125 3348 Connection ~ 2125 3348 Wire Wire Line 2125 3348 2124 3348 Wire Wire Line 2236 3546 2169 3546 Wire Wire Line 2169 3546 2169 3548 Wire Wire Line 2169 3548 2125 3548 Connection ~ 2125 3548 Wire Wire Line 2125 3548 2123 3548 Wire Wire Line 2125 3747 2125 3748 Wire Wire Line 2125 3747 2264 3747 Wire Wire Line 2262 3855 2187 3855 Wire Wire Line 2187 3855 2187 3848 Wire Wire Line 2187 3848 2125 3848 Connection ~ 2125 3848 Wire Wire Line 2125 3848 2123 3848 Wire Wire Line 2233 4046 2185 4046 Wire Wire Line 2185 4046 2185 4048 Wire Wire Line 2185 4048 2125 4048 Wire Wire Line 2230 4155 2174 4155 Wire Wire Line 2174 4155 2174 4148 Wire Wire Line 2174 4148 2125 4148 Connection ~ 2125 4148 Wire Wire Line 2125 4148 2123 4148 $EndSCHEMATC