diff --git a/shematic.svg b/shematic.svg
new file mode 100644
index 0000000..acc4472
--- /dev/null
+++ b/shematic.svg
@@ -0,0 +1,367 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 900 820" width="900" height="820" font-family="'Courier New', monospace">
+
+  <!-- Background -->
+  <rect width="900" height="820" fill="#0f1923"/>
+  
+  <!-- Title -->
+  <text x="450" y="38" text-anchor="middle" fill="#e8e0cc" font-size="18" font-weight="bold" letter-spacing="3">ARBURG ↔ THERMOPLAY WIRING DIAGRAM</text>
+  <text x="450" y="58" text-anchor="middle" fill="#7a9ab0" font-size="11" letter-spacing="2">J-TYPE THERMOCOUPLE + HEATER ZONES</text>
+  <line x1="60" y1="68" x2="840" y2="68" stroke="#2a4a5e" stroke-width="1"/>
+
+  <!-- ===== ARBURG CONNECTOR BLOCK ===== -->
+  <rect x="50" y="85" width="180" height="700" rx="6" fill="#111d28" stroke="#2a6080" stroke-width="2"/>
+  <rect x="50" y="85" width="180" height="36" rx="6" fill="#1a4a6a"/>
+  <text x="140" y="109" text-anchor="middle" fill="#7ecfff" font-size="13" font-weight="bold" letter-spacing="1">ARBURG</text>
+
+  <!-- ===== THERMOPLAY CONNECTOR BLOCK ===== -->
+  <rect x="670" y="85" width="180" height="700" rx="6" fill="#111d28" stroke="#2a6040" stroke-width="2"/>
+  <rect x="670" y="85" width="180" height="36" rx="6" fill="#1a4a2a"/>
+  <text x="760" y="109" text-anchor="middle" fill="#7effc0" font-size="13" font-weight="bold" letter-spacing="1">THERMOPLAY</text>
+
+  <!-- Column headers -->
+  <text x="100" y="136" text-anchor="middle" fill="#5a8aaa" font-size="9" letter-spacing="1">PIN</text>
+  <text x="200" y="136" text-anchor="middle" fill="#5a8aaa" font-size="9" letter-spacing="1">SIGNAL</text>
+  <text x="720" y="136" text-anchor="middle" fill="#5a8aaa" font-size="9" letter-spacing="1">SIGNAL</text>
+  <text x="820" y="136" text-anchor="middle" fill="#5a8aaa" font-size="9" letter-spacing="1">PIN</text>
+
+  <!-- =============================== -->
+  <!-- HEATER ZONES - define rows      -->
+  <!-- =============================== -->
+
+  <!-- Zone colors: heaters = amber, TCs = teal -->
+  <!-- y positions for 12 pairs -->
+
+  <!-- Zone 1 Heater -->
+  <!-- Row 1: Arburg pin 1, Zone1+  -->
+  <rect x="75" y="148" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="161" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">1</text>
+  <text x="185" y="161" text-anchor="end" fill="#ffcc66" font-size="10">Z1 +</text>
+  <circle cx="230" cy="157" r="4" fill="#ffcc66" opacity="0.8"/>
+
+  <!-- Row 2: Arburg pin 2, Zone1-  -->
+  <rect x="75" y="170" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="183" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">2</text>
+  <text x="185" y="183" text-anchor="end" fill="#ffcc66" font-size="10">Z1 −</text>
+  <circle cx="230" cy="179" r="4" fill="#ffcc66" opacity="0.5"/>
+
+  <!-- Zone 2 -->
+  <rect x="75" y="196" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="209" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">3</text>
+  <text x="185" y="209" text-anchor="end" fill="#ffaa44" font-size="10">Z2 +</text>
+  <circle cx="230" cy="205" r="4" fill="#ffaa44" opacity="0.8"/>
+
+  <rect x="75" y="218" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="231" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">4</text>
+  <text x="185" y="231" text-anchor="end" fill="#ffaa44" font-size="10">Z2 −</text>
+  <circle cx="230" cy="227" r="4" fill="#ffaa44" opacity="0.5"/>
+
+  <!-- Zone 3 -->
+  <rect x="75" y="244" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="257" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">5</text>
+  <text x="185" y="257" text-anchor="end" fill="#ff8844" font-size="10">Z3 +</text>
+  <circle cx="230" cy="253" r="4" fill="#ff8844" opacity="0.8"/>
+
+  <rect x="75" y="266" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="279" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">6</text>
+  <text x="185" y="279" text-anchor="end" fill="#ff8844" font-size="10">Z3 −</text>
+  <circle cx="230" cy="275" r="4" fill="#ff8844" opacity="0.5"/>
+
+  <!-- Zone 4 -->
+  <rect x="75" y="292" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="305" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">7</text>
+  <text x="185" y="305" text-anchor="end" fill="#ff6633" font-size="10">Z4 +</text>
+  <circle cx="230" cy="301" r="4" fill="#ff6633" opacity="0.8"/>
+
+  <rect x="75" y="314" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="327" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">8</text>
+  <text x="185" y="327" text-anchor="end" fill="#ff6633" font-size="10">Z4 −</text>
+  <circle cx="230" cy="323" r="4" fill="#ff6633" opacity="0.5"/>
+
+  <!-- Zone 5 -->
+  <rect x="75" y="340" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="353" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">9</text>
+  <text x="185" y="353" text-anchor="end" fill="#ee4422" font-size="10">Z5 +</text>
+  <circle cx="230" cy="349" r="4" fill="#ee4422" opacity="0.8"/>
+
+  <rect x="75" y="362" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="375" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">10</text>
+  <text x="185" y="375" text-anchor="end" fill="#ee4422" font-size="10">Z5 −</text>
+  <circle cx="230" cy="371" r="4" fill="#ee4422" opacity="0.5"/>
+
+  <!-- Zone 6 -->
+  <rect x="75" y="388" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="401" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">11</text>
+  <text x="185" y="401" text-anchor="end" fill="#dd2200" font-size="10">Z6 +</text>
+  <circle cx="230" cy="397" r="4" fill="#dd2200" opacity="0.8"/>
+
+  <rect x="75" y="410" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="423" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">12</text>
+  <text x="185" y="423" text-anchor="end" fill="#dd2200" font-size="10">Z6 −</text>
+  <circle cx="230" cy="419" r="4" fill="#dd2200" opacity="0.5"/>
+
+  <!-- Separator line -->
+  <line x1="60" y1="440" x2="225" y2="440" stroke="#2a4a5e" stroke-width="1" stroke-dasharray="4,3"/>
+  <text x="140" y="454" text-anchor="middle" fill="#5a8aaa" font-size="9" letter-spacing="2">THERMOCOUPLES</text>
+
+  <!-- TC 1 -->
+  <rect x="75" y="462" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="475" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">13</text>
+  <text x="185" y="475" text-anchor="end" fill="#44ffcc" font-size="10">TC1 +</text>
+  <circle cx="230" cy="471" r="4" fill="#44ffcc" opacity="0.9"/>
+
+  <rect x="75" y="484" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="497" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">14</text>
+  <text x="185" y="497" text-anchor="end" fill="#44ffcc" font-size="10">TC1 −</text>
+  <circle cx="230" cy="493" r="4" fill="#44ffcc" opacity="0.4"/>
+
+  <!-- TC 2 -->
+  <rect x="75" y="510" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="523" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">15</text>
+  <text x="185" y="523" text-anchor="end" fill="#33ddbb" font-size="10">TC2 +</text>
+  <circle cx="230" cy="519" r="4" fill="#33ddbb" opacity="0.9"/>
+
+  <rect x="75" y="532" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="545" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">16</text>
+  <text x="185" y="545" text-anchor="end" fill="#33ddbb" font-size="10">TC2 −</text>
+  <circle cx="230" cy="541" r="4" fill="#33ddbb" opacity="0.4"/>
+
+  <!-- TC 3 -->
+  <rect x="75" y="558" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="571" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">17</text>
+  <text x="185" y="571" text-anchor="end" fill="#22ccaa" font-size="10">TC3 +</text>
+  <circle cx="230" cy="567" r="4" fill="#22ccaa" opacity="0.9"/>
+
+  <rect x="75" y="580" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="593" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">18</text>
+  <text x="185" y="593" text-anchor="end" fill="#22ccaa" font-size="10">TC3 −</text>
+  <circle cx="230" cy="589" r="4" fill="#22ccaa" opacity="0.4"/>
+
+  <!-- TC 4 -->
+  <rect x="75" y="606" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="619" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">19</text>
+  <text x="185" y="619" text-anchor="end" fill="#11bb99" font-size="10">TC4 +</text>
+  <circle cx="230" cy="615" r="4" fill="#11bb99" opacity="0.9"/>
+
+  <rect x="75" y="628" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="641" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">20</text>
+  <text x="185" y="641" text-anchor="end" fill="#11bb99" font-size="10">TC4 −</text>
+  <circle cx="230" cy="637" r="4" fill="#11bb99" opacity="0.4"/>
+
+  <!-- TC 5 -->
+  <rect x="75" y="654" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="667" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">21</text>
+  <text x="185" y="667" text-anchor="end" fill="#00aa88" font-size="10">TC5 +</text>
+  <circle cx="230" cy="663" r="4" fill="#00aa88" opacity="0.9"/>
+
+  <rect x="75" y="676" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="689" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">22</text>
+  <text x="185" y="689" text-anchor="end" fill="#00aa88" font-size="10">TC5 −</text>
+  <circle cx="230" cy="685" r="4" fill="#00aa88" opacity="0.4"/>
+
+  <!-- TC 6 -->
+  <rect x="75" y="702" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="715" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">23</text>
+  <text x="185" y="715" text-anchor="end" fill="#009977" font-size="10">TC6 +</text>
+  <circle cx="230" cy="711" r="4" fill="#009977" opacity="0.9"/>
+
+  <rect x="75" y="724" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="90" y="737" text-anchor="middle" fill="#7ecfff" font-size="10" font-weight="bold">24</text>
+  <text x="185" y="737" text-anchor="end" fill="#009977" font-size="10">TC6 −</text>
+  <circle cx="230" cy="733" r="4" fill="#009977" opacity="0.4"/>
+
+
+  <!-- =============================== -->
+  <!-- THERMOPLAY RIGHT SIDE PINS      -->
+  <!-- =============================== -->
+
+  <!-- Heater separator label -->
+  <line x1="675" y1="440" x2="840" y2="440" stroke="#2a4a5e" stroke-width="1" stroke-dasharray="4,3"/>
+  <text x="760" y="454" text-anchor="middle" fill="#5a8aaa" font-size="9" letter-spacing="2">THERMOCOUPLES</text>
+
+  <!-- Zone 1: pins 1(+) and 13(-) -->
+  <!-- Thermoplay Zone labels on left inside box -->
+  <text x="715" y="161" text-anchor="start" fill="#ffcc66" font-size="10">Z1 +</text>
+  <rect x="795" y="148" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="161" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">1</text>
+  <circle cx="670" cy="157" r="4" fill="#ffcc66" opacity="0.8"/>
+
+  <text x="715" y="183" text-anchor="start" fill="#ffcc66" font-size="10">Z1 −</text>
+  <rect x="795" y="170" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="183" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">13</text>
+  <circle cx="670" cy="179" r="4" fill="#ffcc66" opacity="0.5"/>
+
+  <!-- Zone 2 -->
+  <text x="715" y="209" text-anchor="start" fill="#ffaa44" font-size="10">Z2 +</text>
+  <rect x="795" y="196" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="209" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">2</text>
+  <circle cx="670" cy="205" r="4" fill="#ffaa44" opacity="0.8"/>
+
+  <text x="715" y="231" text-anchor="start" fill="#ffaa44" font-size="10">Z2 −</text>
+  <rect x="795" y="218" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="231" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">14</text>
+  <circle cx="670" cy="227" r="4" fill="#ffaa44" opacity="0.5"/>
+
+  <!-- Zone 3 -->
+  <text x="715" y="257" text-anchor="start" fill="#ff8844" font-size="10">Z3 +</text>
+  <rect x="795" y="244" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="257" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">3</text>
+  <circle cx="670" cy="253" r="4" fill="#ff8844" opacity="0.8"/>
+
+  <text x="715" y="279" text-anchor="start" fill="#ff8844" font-size="10">Z3 −</text>
+  <rect x="795" y="266" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="279" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">15</text>
+  <circle cx="670" cy="275" r="4" fill="#ff8844" opacity="0.5"/>
+
+  <!-- Zone 4 -->
+  <text x="715" y="305" text-anchor="start" fill="#ff6633" font-size="10">Z4 +</text>
+  <rect x="795" y="292" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="305" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">4</text>
+  <circle cx="670" cy="301" r="4" fill="#ff6633" opacity="0.8"/>
+
+  <text x="715" y="327" text-anchor="start" fill="#ff6633" font-size="10">Z4 −</text>
+  <rect x="795" y="314" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="327" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">16</text>
+  <circle cx="670" cy="323" r="4" fill="#ff6633" opacity="0.5"/>
+
+  <!-- Zone 5 -->
+  <text x="715" y="353" text-anchor="start" fill="#ee4422" font-size="10">Z5 +</text>
+  <rect x="795" y="340" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="353" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">5</text>
+  <circle cx="670" cy="349" r="4" fill="#ee4422" opacity="0.8"/>
+
+  <text x="715" y="375" text-anchor="start" fill="#ee4422" font-size="10">Z5 −</text>
+  <rect x="795" y="362" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="375" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">17</text>
+  <circle cx="670" cy="371" r="4" fill="#ee4422" opacity="0.5"/>
+
+  <!-- Zone 6 -->
+  <text x="715" y="401" text-anchor="start" fill="#dd2200" font-size="10">Z6 +</text>
+  <rect x="795" y="388" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="401" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">6</text>
+  <circle cx="670" cy="397" r="4" fill="#dd2200" opacity="0.8"/>
+
+  <text x="715" y="423" text-anchor="start" fill="#dd2200" font-size="10">Z6 −</text>
+  <rect x="795" y="410" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="423" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">18</text>
+  <circle cx="670" cy="419" r="4" fill="#dd2200" opacity="0.5"/>
+
+  <!-- TC 1 (Thermoplay pins 7, 19) -->
+  <text x="715" y="475" text-anchor="start" fill="#44ffcc" font-size="10">TC1 +</text>
+  <rect x="795" y="462" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="475" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">7</text>
+  <circle cx="670" cy="471" r="4" fill="#44ffcc" opacity="0.9"/>
+
+  <text x="715" y="497" text-anchor="start" fill="#44ffcc" font-size="10">TC1 −</text>
+  <rect x="795" y="484" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="497" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">19</text>
+  <circle cx="670" cy="493" r="4" fill="#44ffcc" opacity="0.4"/>
+
+  <!-- TC 2 -->
+  <text x="715" y="523" text-anchor="start" fill="#33ddbb" font-size="10">TC2 +</text>
+  <rect x="795" y="510" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="523" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">8</text>
+  <circle cx="670" cy="519" r="4" fill="#33ddbb" opacity="0.9"/>
+
+  <text x="715" y="545" text-anchor="start" fill="#33ddbb" font-size="10">TC2 −</text>
+  <rect x="795" y="532" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="545" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">20</text>
+  <circle cx="670" cy="541" r="4" fill="#33ddbb" opacity="0.4"/>
+
+  <!-- TC 3 -->
+  <text x="715" y="571" text-anchor="start" fill="#22ccaa" font-size="10">TC3 +</text>
+  <rect x="795" y="558" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="571" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">9</text>
+  <circle cx="670" cy="567" r="4" fill="#22ccaa" opacity="0.9"/>
+
+  <text x="715" y="593" text-anchor="start" fill="#22ccaa" font-size="10">TC3 −</text>
+  <rect x="795" y="580" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="593" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">21</text>
+  <circle cx="670" cy="589" r="4" fill="#22ccaa" opacity="0.4"/>
+
+  <!-- TC 4 -->
+  <text x="715" y="619" text-anchor="start" fill="#11bb99" font-size="10">TC4 +</text>
+  <rect x="795" y="606" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="619" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">10</text>
+  <circle cx="670" cy="615" r="4" fill="#11bb99" opacity="0.9"/>
+
+  <text x="715" y="641" text-anchor="start" fill="#11bb99" font-size="10">TC4 −</text>
+  <rect x="795" y="628" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="641" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">22</text>
+  <circle cx="670" cy="637" r="4" fill="#11bb99" opacity="0.4"/>
+
+  <!-- TC 5 -->
+  <text x="715" y="667" text-anchor="start" fill="#00aa88" font-size="10">TC5 +</text>
+  <rect x="795" y="654" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="667" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">11</text>
+  <circle cx="670" cy="663" r="4" fill="#00aa88" opacity="0.9"/>
+
+  <text x="715" y="689" text-anchor="start" fill="#00aa88" font-size="10">TC5 −</text>
+  <rect x="795" y="676" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="689" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">23</text>
+  <circle cx="670" cy="685" r="4" fill="#00aa88" opacity="0.4"/>
+
+  <!-- TC 6 -->
+  <text x="715" y="715" text-anchor="start" fill="#009977" font-size="10">TC6 +</text>
+  <rect x="795" y="702" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="715" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">12</text>
+  <circle cx="670" cy="711" r="4" fill="#009977" opacity="0.9"/>
+
+  <text x="715" y="737" text-anchor="start" fill="#009977" font-size="10">TC6 −</text>
+  <rect x="795" y="724" width="30" height="18" rx="3" fill="#1e3a50" stroke="#3a7aaa" stroke-width="1"/>
+  <text x="810" y="737" text-anchor="middle" fill="#7effc0" font-size="10" font-weight="bold">24</text>
+  <circle cx="670" cy="733" r="4" fill="#009977" opacity="0.4"/>
+
+
+  <!-- =============================== -->
+  <!-- WIRES (crossing lines)          -->
+  <!-- =============================== -->
+
+  <!-- Heater wires - straight across -->
+  <line x1="230" y1="157" x2="670" y2="157" stroke="#ffcc66" stroke-width="1.5" opacity="0.7"/>
+  <line x1="230" y1="179" x2="670" y2="179" stroke="#ffcc66" stroke-width="1.5" opacity="0.4"/>
+  <line x1="230" y1="205" x2="670" y2="205" stroke="#ffaa44" stroke-width="1.5" opacity="0.7"/>
+  <line x1="230" y1="227" x2="670" y2="227" stroke="#ffaa44" stroke-width="1.5" opacity="0.4"/>
+  <line x1="230" y1="253" x2="670" y2="253" stroke="#ff8844" stroke-width="1.5" opacity="0.7"/>
+  <line x1="230" y1="275" x2="670" y2="275" stroke="#ff8844" stroke-width="1.5" opacity="0.4"/>
+  <line x1="230" y1="301" x2="670" y2="301" stroke="#ff6633" stroke-width="1.5" opacity="0.7"/>
+  <line x1="230" y1="323" x2="670" y2="323" stroke="#ff6633" stroke-width="1.5" opacity="0.4"/>
+  <line x1="230" y1="349" x2="670" y2="349" stroke="#ee4422" stroke-width="1.5" opacity="0.7"/>
+  <line x1="230" y1="371" x2="670" y2="371" stroke="#ee4422" stroke-width="1.5" opacity="0.4"/>
+  <line x1="230" y1="397" x2="670" y2="397" stroke="#dd2200" stroke-width="1.5" opacity="0.7"/>
+  <line x1="230" y1="419" x2="670" y2="419" stroke="#dd2200" stroke-width="1.5" opacity="0.4"/>
+
+  <!-- TC wires - straight across -->
+  <line x1="230" y1="471" x2="670" y2="471" stroke="#44ffcc" stroke-width="1.5" opacity="0.8"/>
+  <line x1="230" y1="493" x2="670" y2="493" stroke="#44ffcc" stroke-width="1.5" opacity="0.35"/>
+  <line x1="230" y1="519" x2="670" y2="519" stroke="#33ddbb" stroke-width="1.5" opacity="0.8"/>
+  <line x1="230" y1="541" x2="670" y2="541" stroke="#33ddbb" stroke-width="1.5" opacity="0.35"/>
+  <line x1="230" y1="567" x2="670" y2="567" stroke="#22ccaa" stroke-width="1.5" opacity="0.8"/>
+  <line x1="230" y1="589" x2="670" y2="589" stroke="#22ccaa" stroke-width="1.5" opacity="0.35"/>
+  <line x1="230" y1="615" x2="670" y2="615" stroke="#11bb99" stroke-width="1.5" opacity="0.8"/>
+  <line x1="230" y1="637" x2="670" y2="637" stroke="#11bb99" stroke-width="1.5" opacity="0.35"/>
+  <line x1="230" y1="663" x2="670" y2="663" stroke="#00aa88" stroke-width="1.5" opacity="0.8"/>
+  <line x1="230" y1="685" x2="670" y2="685" stroke="#00aa88" stroke-width="1.5" opacity="0.35"/>
+  <line x1="230" y1="711" x2="670" y2="711" stroke="#009977" stroke-width="1.5" opacity="0.8"/>
+  <line x1="230" y1="733" x2="670" y2="733" stroke="#009977" stroke-width="1.5" opacity="0.35"/>
+
+
+  <!-- =============================== -->
+  <!-- LEGEND                          -->
+  <!-- =============================== -->
+  <rect x="320" y="88" width="260" height="120" rx="5" fill="#0d1820" stroke="#2a4a5e" stroke-width="1"/>
+  <text x="450" y="108" text-anchor="middle" fill="#7a9ab0" font-size="10" letter-spacing="2">LEGEND</text>
+  <line x1="335" y1="125" x2="375" y2="125" stroke="#ffcc66" stroke-width="2"/>
+  <text x="385" y="129" fill="#cccccc" font-size="10">Heater Zone (+)</text>
+  <line x1="335" y1="143" x2="375" y2="143" stroke="#ffcc66" stroke-width="2" opacity="0.4"/>
+  <text x="385" y="147" fill="#cccccc" font-size="10">Heater Zone (−)</text>
+  <line x1="335" y1="161" x2="375" y2="161" stroke="#44ffcc" stroke-width="2"/>
+  <text x="385" y="165" fill="#cccccc" font-size="10">TC J-type (+)</text>
+  <line x1="335" y1="179" x2="375" y2="179" stroke="#44ffcc" stroke-width="2" opacity="0.35"/>
+  <text x="385" y="183" fill="#cccccc" font-size="10">TC J-type (−)</text>
+
+  <!-- Warning note -->
+  <rect x="280" y="765" width="340" height="42" rx="5" fill="#2a1500" stroke="#aa4400" stroke-width="1"/>
+  <text x="450" y="783" text-anchor="middle" fill="#ff8844" font-size="10" font-weight="bold">⚠  CAUTION</text>
+  <text x="450" y="799" text-anchor="middle" fill="#cc6622" font-size="9">Reversed TC polarity causes incorrect readings!</text>
+
+</svg>
\ No newline at end of file