From d3b95663c92a153bf19571a42faf9a8a2636539a Mon Sep 17 00:00:00 2001
From: Erik Andresen <erik@vontaene.de>
Date: Fri, 11 Sep 2026 13:50:29 +0200
Subject: [PATCH] Added some documentation

a4wd3_components.svg generated by hermes/Qwen3.8-27B
---
 docs/a4wd3_components.svg           | 230 ++++++++++++++++++++++++++++
 docs/i2c_sal8_cable_wireviz.bom.tsv |   6 +
 docs/i2c_sal8_cable_wireviz.html    | 190 +++++++++++++++++++++++
 docs/i2c_sal8_cable_wireviz.png     | Bin 0 -> 20920 bytes
 docs/i2c_sal8_cable_wireviz.svg     | 103 +++++++++++++
 docs/i2c_sal8_cable_wireviz.yml     |  16 ++
 6 files changed, 545 insertions(+)
 create mode 100644 docs/a4wd3_components.svg
 create mode 100644 docs/i2c_sal8_cable_wireviz.bom.tsv
 create mode 100644 docs/i2c_sal8_cable_wireviz.html
 create mode 100644 docs/i2c_sal8_cable_wireviz.png
 create mode 100644 docs/i2c_sal8_cable_wireviz.svg
 create mode 100644 docs/i2c_sal8_cable_wireviz.yml

diff --git a/docs/a4wd3_components.svg b/docs/a4wd3_components.svg
new file mode 100644
index 0000000..693b8f6
--- /dev/null
+++ b/docs/a4wd3_components.svg
@@ -0,0 +1,230 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="1520" height="920" viewBox="0 0 1520 920">
+  <defs>
+    <style>
+      .bg{fill:#ffffff;}
+      .panel{fill:#f7f9fb;stroke:#9aa3ad;stroke-width:2;}
+      .sub{fill:#eef2f5;stroke:#c3ccd4;stroke-width:1;}
+      .compute{fill:#e3ecfb;stroke:#3f6fb0;stroke-width:1.5;}
+      .drive{fill:#fdeede;stroke:#c56a1a;stroke-width:1.5;}
+      .sensor{fill:#e6f3ea;stroke:#2f8a4d;stroke-width:1.5;}
+      .pwr{fill:#fbf3d9;stroke:#b8891f;stroke-width:1.5;}
+      .warn{fill:#f4f4f4;stroke:#8a9096;stroke-width:1.5;stroke-dasharray:4 3;}
+      .conn{fill:#fbf3d9;stroke:#b8891f;stroke-width:1.2;}
+      .h{font:700 16px DejaVu Sans, sans-serif;fill:#14171a;}
+      .h2{font:700 11px DejaVu Sans, sans-serif;fill:#3a4148;}
+      .ts{font:600 11px DejaVu Sans, sans-serif;fill:#1c2025;}
+      .tt{font:400 9.5px DejaVu Sans, sans-serif;fill:#404850;}
+      .plbl{font:600 9.5px DejaVu Sans, sans-serif;fill:#8a6a12;}
+      .clbl{font:600 9px DejaVu Sans, sans-serif;fill:#6a5a1a;}
+    </style>
+  </defs>
+
+  <rect class="bg" x="0" y="0" width="1520" height="920"/>
+
+  <!-- HEADER (title only) -->
+  <text class="h" x="34" y="34">A4WD3 ROBOT — COMPONENTS &amp; CONNECTIONS</text>
+
+  <!-- ============ CHASSIS FOOTPRINT (top-down, CONTAINS components) ============ -->
+  <rect class="panel" x="190" y="56" width="1060" height="800" rx="10"/>
+  <text class="h2" x="720" y="112" text-anchor="middle">CHASSIS (top-down) · display on the front border · F1 protects the 12 V bus · lower/aft line (right): POWER IN / POWER OUT / I2C</text>
+
+  <!-- wheels (4 corners) -->
+  <rect class="sub" x="205" y="72" width="78" height="28" rx="5"/><text class="tt" x="244" y="91" text-anchor="middle">FL (M4)</text>
+  <rect class="sub" x="1167" y="72" width="78" height="28" rx="5"/><text class="tt" x="1206" y="91" text-anchor="middle">FR (M2)</text>
+  <rect class="sub" x="205" y="818" width="78" height="28" rx="5"/><text class="tt" x="244" y="837" text-anchor="middle">RL (M3)</text>
+  <rect class="sub" x="1167" y="818" width="78" height="28" rx="5"/><text class="tt" x="1206" y="837" text-anchor="middle">RR (M1)</text>
+
+  <!-- connectors on chassis edges -->
+  <rect class="conn" x="184" y="300" width="14" height="30"/><text class="clbl" x="206" y="320">USB-3</text>
+  <rect class="conn" x="1242" y="300" width="14" height="30"/><text class="clbl" x="1228" y="320" text-anchor="end">USB-C</text>
+  <!-- power + I2C connectors on the LOWER/AFT line (bottom border), RIGHT-ALIGNED group -->
+  <rect class="conn" x="895" y="842" width="14" height="28"/><text class="clbl" x="902" y="836" text-anchor="middle">POWER OUT</text>
+  <rect class="conn" x="1010" y="842" width="14" height="28"/><text class="clbl" x="1017" y="836" text-anchor="middle">POWER IN</text>
+  <text class="tt" x="1017" y="826" text-anchor="middle" fill="#8a6a12">12 V (off-robot)</text>
+  <rect class="conn" x="1118" y="842" width="14" height="28"/><text class="clbl" x="1125" y="836" text-anchor="middle">I2C</text>
+  <!-- Wi-Fi x2 (aft-left) -->
+  <circle cx="250" cy="836" r="6" fill="none" stroke="#3f6fb0" stroke-width="1.5"/>
+  <circle cx="276" cy="836" r="6" fill="none" stroke="#3f6fb0" stroke-width="1.5"/>
+  <text class="tt" x="292" y="840">Wi-Fi ×2</text>
+
+  <!-- ============ EXTERNAL (connector-attached, outside chassis) ============ -->
+  <!-- LiDAR + GPS via USB-3 (mid-left) -->
+  <rect class="warn" x="30" y="286" width="140" height="96" rx="8"/>
+  <text class="ts" x="44" y="308">LiDAR + GPS</text>
+  <text class="tt" x="44" y="324">A2M12 + u-blox</text>
+  <text class="tt" x="44" y="338">optional (detached)</text>
+  <text class="tt" x="44" y="352">via USB-3 port</text>
+  <line x1="170" y1="315" x2="198" y2="315" stroke="#5b6570" stroke-width="2" stroke-dasharray="5 3"/>
+
+  <!-- 12 V supply is off-robot, behind the POWER IN connector (now right-aligned on the aft line) -->
+  <!-- 12 V entry node INSIDE the chassis (lower-left); the POWER IN connector is right-aligned on the aft line -->
+  <rect class="pwr" x="325" y="766" width="70" height="28" rx="4"/>
+  <text class="ts" x="360" y="784" text-anchor="middle">12 V</text>
+
+  <!-- ============ INTERNAL: DISPLAY (front-left) ============ -->
+  <rect class="sensor" x="560" y="21" width="135" height="70" rx="8"/>
+  <text class="ts" x="574" y="43">display</text>
+  <text class="tt" x="574" y="59">128×64 panel</text>
+  <text class="tt" x="574" y="73">front borderline</text>
+
+  <!-- ============ INTERNAL: COMPUTE ============ -->
+  <rect class="compute" x="380" y="140" width="250" height="130" rx="8"/>
+  <text class="ts" x="394" y="162">BANANA PI M7</text>
+  <text class="tt" x="394" y="180">SBC — Rockchip RK3588</text>
+  <text class="tt" x="394" y="196">RK3588 SoC / quad A76 + quad A55</text>
+  <text class="tt" x="394" y="212">Wi-Fi: onboard radio</text>
+
+  <!-- ============ INTERNAL: DRIVE (AVR) ============ -->
+  <rect class="drive" x="650" y="140" width="250" height="130" rx="8"/>
+  <text class="ts" x="664" y="162">AVR MCU</text>
+  <text class="tt" x="664" y="180">I2C 0x50 (odometry 0x38)</text>
+  <text class="tt" x="664" y="196">4× H-bridge → M1..M4</text>
+  <text class="tt" x="664" y="212">PID + manual mode (per motor)</text>
+
+  <!-- ============ INTERNAL: SENSORS (row) ============ -->
+  <rect class="sensor" x="230" y="330" width="165" height="74" rx="8"/>
+  <text class="ts" x="244" y="352">BME680</text>
+  <text class="tt" x="244" y="368">I2C 0x77</text>
+  <text class="tt" x="244" y="382">temp / RH / pressure</text>
+
+  <rect class="sensor" x="415" y="330" width="165" height="74" rx="8"/>
+  <text class="ts" x="429" y="352">MAX44009</text>
+  <text class="tt" x="429" y="368">I2C 0x94</text>
+  <text class="tt" x="429" y="382">illuminance</text>
+
+  <rect class="sensor" x="600" y="330" width="165" height="74" rx="8"/>
+  <text class="ts" x="614" y="352">INA260</text>
+  <text class="tt" x="614" y="368">I2C 0x80</text>
+  <text class="tt" x="614" y="382">current sense (~7 W)</text>
+
+  <rect class="sensor" x="785" y="330" width="165" height="74" rx="8"/>
+  <text class="ts" x="799" y="352">LED stripe</text>
+  <text class="tt" x="799" y="368">I2C 0x62</text>
+  <text class="tt" x="799" y="382">10-LED RGBWW + CW</text>
+
+  <rect class="sensor" x="970" y="330" width="165" height="74" rx="8"/>
+  <text class="ts" x="984" y="352">BNO085 IMU</text>
+  <text class="tt" x="984" y="368">UART /dev/ttyS2</text>
+  <text class="tt" x="984" y="382">orientation / nav</text>
+
+  <!-- ============ INTERNAL: POWER CHAIN (spread across the lower chassis) ============ -->
+  <!-- diode A (POWER IN -> BUS), lower-left -->
+  <rect class="pwr" x="310" y="644" width="100" height="44" rx="4"/>
+  <text class="ts" x="360" y="662" text-anchor="middle">LM74500</text>
+  <text class="tt" x="360" y="676" text-anchor="middle">ideal diode</text>
+
+  <!-- LTC4010 charger (INSIDE chassis), bottom-left -->
+  <rect class="pwr" x="410" y="756" width="140" height="44" rx="4"/>
+  <text class="ts" x="480" y="774" text-anchor="middle">LTC4010</text>
+  <text class="tt" x="480" y="788" text-anchor="middle">battery charger</text>
+
+  <!-- NiMH battery (INSIDE chassis), bottom-center -->
+  <rect class="pwr" x="590" y="756" width="140" height="44" rx="4"/>
+  <text class="ts" x="660" y="774" text-anchor="middle">NiMH battery</text>
+  <text class="tt" x="660" y="788" text-anchor="middle">9.6 V · 4.5 Ah</text>
+
+  <!-- diode B (NiMH -> BUS), bottom-center-right -->
+  <rect class="pwr" x="770" y="756" width="110" height="44" rx="4"/>
+  <text class="ts" x="825" y="774" text-anchor="middle">LM74500</text>
+  <text class="tt" x="825" y="788" text-anchor="middle">ideal diode</text>
+
+  <!-- BUS node (lower-middle) -->
+  <circle cx="500" cy="666" r="9" fill="#b8891f"/>
+  <text class="plbl" x="488" y="662" text-anchor="end">BUS</text>
+
+  <!-- 5 V regulator row: (trunk) LM2940 -> F2 -> 5V RAIL   [F1 on the 12 V trunk, F3 on the POWER OUT branch] -->
+  <rect class="pwr" x="604" y="644" width="120" height="44" rx="4"/>
+  <text class="ts" x="664" y="662" text-anchor="middle">LM2940</text>
+  <text class="tt" x="664" y="676" text-anchor="middle">5 V regulator</text>
+  <rect class="pwr" x="754" y="654" width="34" height="24" rx="3"/><text class="tt" x="771" y="671" text-anchor="middle">F2</text>
+  <circle cx="823" cy="666" r="9" fill="#b8891f"/>
+  <text class="plbl" x="823" y="694" text-anchor="middle">5V RAIL</text>
+
+  <!-- USB-PD (branch: BUS -> Banana Pi, parallel to the 5V regulator), mid-right -->
+  <rect class="pwr" x="1000" y="560" width="110" height="44" rx="4"/>
+  <text class="ts" x="1055" y="578" text-anchor="middle">USB-PD</text>
+  <text class="tt" x="1055" y="592" text-anchor="middle">power delivery</text>
+
+  <!-- ============ WIRING ============ -->
+  <!-- I2C bus 7 (teal) : 3.3V side (Pi + MAX44009 light) | PCA9517 level shifter | 5V side (BME680 + INA260 + LED + AVR) -->
+  <line x1="478" y1="300" x2="540" y2="300" stroke="#0e94a3" stroke-width="2.5"/>   <!-- 3.3V I2C (Pi + light only) -->
+  <line x1="648" y1="300" x2="1135" y2="300" stroke="#0e94a3" stroke-width="2.5"/>   <!-- 5V I2C (slave side) -->
+  <!-- PCA9517 level-translating I2C bus repeater, between the 3.3V and 5V I2C -->
+  <rect x="540" y="275" width="108" height="33" rx="5" fill="#e0f0f2" stroke="#2a8a95" stroke-width="1.5"/>
+  <text class="plbl" x="594" y="292" text-anchor="middle" fill="#1f5f68">PCA9517</text>
+  <text class="tt" x="594" y="305" text-anchor="middle" fill="#0b6f7b">3.3V &#8646; 5V</text>
+  <line x1="520" y1="270" x2="520" y2="300" stroke="#0e94a3" stroke-width="2"/>   <!-- master -->
+  <line x1="700" y1="270" x2="700" y2="300" stroke="#0e94a3" stroke-width="2"/>   <!-- AVR 0x50 -->
+  <path d="M648 300 L648 324 L304 324" fill="none" stroke="#0e94a3" stroke-width="2"/>   <!-- 5V I2C branch -> BME680 -->
+  <line x1="304" y1="324" x2="304" y2="330" stroke="#0e94a3" stroke-width="2"/>   <!-- BME680 0x77 (5V device) -->
+  <line x1="489" y1="300" x2="489" y2="330" stroke="#0e94a3" stroke-width="2"/>   <!-- MAX44009 -->
+  <line x1="674" y1="300" x2="674" y2="330" stroke="#0e94a3" stroke-width="2"/>   <!-- INA260 -->
+  <line x1="859" y1="300" x2="859" y2="330" stroke="#0e94a3" stroke-width="2"/>   <!-- LED 0x62 -->
+  <text class="tt" x="509" y="291" text-anchor="middle" fill="#0b6f7b">3.3V</text>
+  <text class="tt" x="666" y="293" text-anchor="middle" fill="#0b6f7b">5V</text>
+  <!-- 5V I2C out -> I2C connector (right-aligned on the lower/aft line), clear column x=1125 -->
+  <polyline points="1125,300 1125,842" fill="none" stroke="#0e94a3" stroke-width="2"/>
+
+  <!-- 5V rail (brown) : feeds BME680 + INA260 + LED stripe + BNO085 + AVR (MAX44009 light is 3.3V) -->
+  <line x1="320" y1="318" x2="1135" y2="318" stroke="#b8891f" stroke-width="2"/>
+  <line x1="320" y1="318" x2="320" y2="330" stroke="#b8891f" stroke-width="1.5"/>
+  <line x1="690" y1="318" x2="690" y2="330" stroke="#b8891f" stroke-width="1.5"/>
+  <line x1="875" y1="318" x2="875" y2="330" stroke="#b8891f" stroke-width="1.5"/>
+  <line x1="1092" y1="318" x2="1092" y2="330" stroke="#b8891f" stroke-width="1.5"/>
+  <line x1="740" y1="318" x2="740" y2="270" stroke="#b8891f" stroke-width="1.5"/>  <!-- to AVR -->
+  <text class="tt" x="560" y="314" fill="#8a6a12">5 V rail</text>
+
+  <!-- 5V feed up from the 5V RAIL node to the 5 V rail (straight up at x=823; crosses the 12 V trunk) -->
+  <line x1="823" y1="666" x2="823" y2="318" stroke="#b8891f" stroke-width="2"/>
+
+  <!-- 12 V (BUS) trunk: F1 (main bus fuse) sits on it; feeds LED + motors + USB-PD + 5V regulator + POWER OUT -->
+  <polyline points="500,666 500,630 1200,630 1200,205 900,205" fill="none" stroke="#b8891f" stroke-width="2"/>
+  <!-- F1 = main 12 V bus fuse, ON the trunk, before ALL peripherals -->
+  <rect class="pwr" x="528" y="618" width="34" height="24" rx="3"/><text class="tt" x="545" y="635" text-anchor="middle">F1</text>
+  <line x1="1200" y1="430" x2="875" y2="430" stroke="#b8891f" stroke-width="2"/>
+  <line x1="875" y1="430" x2="875" y2="404" stroke="#b8891f" stroke-width="2"/>
+  <text class="plbl" x="1194" y="470" text-anchor="end">12 V → motors + LED light</text>
+
+  <!-- UART (blue) : banana pi -> BNO085 (over the top) -->
+  <polyline points="505,140 505,120 1052,120 1052,330" fill="none" stroke="#3f6fb0" stroke-width="2"/>
+  <text class="tt" x="700" y="114" fill="#2f558f">UART /dev/ttyS2</text>
+
+  <!-- Display (front-left) fed by the Pi over a local UDP socket -->
+  <line x1="627" y1="91" x2="505" y2="140" stroke="#5b6570" stroke-width="1.5" stroke-dasharray="4 3"/>
+  <text class="tt" x="592" y="112" fill="#5b6570" text-anchor="end">UDP :5004</text>
+
+  <!-- power chain wires (brown) -->
+  <!-- POWER IN -> diode A -> BUS  ||  POWER IN -> LTC4010 -> NiMH -> diode B -> BUS -->
+  <line x1="360" y1="766" x2="360" y2="688" stroke="#b8891f" stroke-width="1.5"/>   <!-- node -> diode A -->
+  <line x1="410" y1="666" x2="491" y2="666" stroke="#b8891f" stroke-width="1.5"/>   <!-- diode A -> BUS -->
+  <line x1="395" y1="780" x2="410" y2="780" stroke="#b8891f" stroke-width="1.5"/>   <!-- node -> LTC4010 -->
+  <line x1="550" y1="778" x2="590" y2="778" stroke="#b8891f" stroke-width="1.5"/>   <!-- LTC4010 -> NiMH -->
+  <line x1="730" y1="778" x2="770" y2="778" stroke="#b8891f" stroke-width="1.5"/>   <!-- NiMH -> diode B -->
+  <polyline points="825,756 825,730 500,730 500,675" fill="none" stroke="#b8891f" stroke-width="1.5"/>   <!-- diode B -> BUS -->
+  <polyline points="360,794 360,850 1017,850 1017,842" fill="none" stroke="#b8891f" stroke-width="1.5"/>   <!-- node -> POWER IN connector (right-aligned) -->
+  <!-- F1 (main 12 V bus fuse) is ON the trunk; the 5 V regulator hangs off the trunk -->
+  <line x1="664" y1="630" x2="664" y2="644" stroke="#b8891f" stroke-width="1.5"/>   <!-- trunk -> LM2940 (12 V input) -->
+  <line x1="724" y1="666" x2="754" y2="666" stroke="#b8891f" stroke-width="1.5"/>   <!-- LM2940 -> F2 -->
+  <line x1="788" y1="666" x2="814" y2="666" stroke="#b8891f" stroke-width="1.5"/>   <!-- F2 -> 5V RAIL -->
+  <!-- POWER OUT branch: 12 V system power (grouped with motors + USB-PD); F3 = branch fuse -->
+  <line x1="902" y1="630" x2="902" y2="842" stroke="#b8891f" stroke-width="1.5"/>   <!-- trunk -> POWER OUT (via F3) -->
+  <rect class="pwr" x="885" y="688" width="34" height="24" rx="3"/><text class="tt" x="902" y="705" text-anchor="middle">F3</text>
+  <!-- BUS -> USB-PD (12 V trunk tap at x=1055) -->
+  <line x1="1055" y1="630" x2="1055" y2="604" stroke="#b8891f" stroke-width="2"/>
+  <!-- USB-PD -> Banana Pi (dashed; parallel to the 5V regulator), clear middle channel -->
+  <polyline points="1055,560 1055,520 590,520 590,270" fill="none" stroke="#b8891f" stroke-width="2" stroke-dasharray="6 3"/>
+
+  <!-- ============ LEGEND ============ -->
+  <rect class="sub" x="30" y="872" width="1460" height="42" rx="8"/>
+  <text class="h" x="46" y="897">LEGEND</text>
+  <line x1="150" y1="895" x2="178" y2="895" stroke="#0e94a3" stroke-width="2.5"/><text class="ts" x="186" y="899">I2C bus 7</text>
+  <line x1="290" y1="895" x2="318" y2="895" stroke="#b8891f" stroke-width="2.5"/><text class="ts" x="326" y="899">power (12 V / 5 V)</text>
+  <line x1="450" y1="895" x2="478" y2="895" stroke="#3f6fb0" stroke-width="2"/><text class="ts" x="486" y="899">UART</text>
+  <line x1="560" y1="895" x2="588" y2="895" stroke="#5b6570" stroke-width="2" stroke-dasharray="5 3"/><text class="ts" x="596" y="899">USB / UDP (data)</text>
+  <rect class="compute" x="770" y="889" width="16" height="12"/><text class="ts" x="792" y="899">compute (RK3588)</text>
+  <rect class="drive" x="950" y="889" width="16" height="12"/><text class="ts" x="972" y="899">drive (AVR)</text>
+  <rect class="sensor" x="1060" y="889" width="16" height="12"/><text class="ts" x="1082" y="899">sensors / display</text>
+  <rect class="pwr" x="1200" y="889" width="16" height="12"/><text class="ts" x="1222" y="899">power</text>
+  <rect class="warn" x="1290" y="889" width="16" height="12"/><text class="ts" x="1312" y="899">optional / external</text>
+</svg>
diff --git a/docs/i2c_sal8_cable_wireviz.bom.tsv b/docs/i2c_sal8_cable_wireviz.bom.tsv
new file mode 100644
index 0000000..1fba175
--- /dev/null
+++ b/docs/i2c_sal8_cable_wireviz.bom.tsv
@@ -0,0 +1,6 @@
+Id	Description	Qty	Unit	Designators
+1	Connector, SAL M8, male, 4 pins	1		X1
+2	Wire, 0.14 mm², BK	0	m	W1
+3	Wire, 0.14 mm², BN	0	m	W1
+4	Wire, 0.14 mm², BU	0	m	W1
+5	Wire, 0.14 mm², WH	0	m	W1
diff --git a/docs/i2c_sal8_cable_wireviz.html b/docs/i2c_sal8_cable_wireviz.html
new file mode 100644
index 0000000..c13ff52
--- /dev/null
+++ b/docs/i2c_sal8_cable_wireviz.html
@@ -0,0 +1,190 @@
+<!DOCTYPE html>
+<html lang="en"><head>
+  <meta charset="UTF-8">
+  <meta name="generator" content="WireViz 0.4.1 - https://github.com/wireviz/WireViz">
+  <title>i2c_sal8_cable_wireviz</title>
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
+<h1>i2c_sal8_cable_wireviz</h1>
+<h2>Diagram</h2>
+
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.43.0 (0)
+ -->
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+<div id="notes">
+  <!-- %notes% -->
+</div>
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+
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+    <td class="bom_col_description">Wire, 0.14 mm², BU</td>
+    <td class="bom_col_qty">0</td>
+    <td class="bom_col_unit">m</td>
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new file mode 100644
index 0000000..d48294b
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+++ b/docs/i2c_sal8_cable_wireviz.svg
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diff --git a/docs/i2c_sal8_cable_wireviz.yml b/docs/i2c_sal8_cable_wireviz.yml
new file mode 100644
index 0000000..a5804df
--- /dev/null
+++ b/docs/i2c_sal8_cable_wireviz.yml
@@ -0,0 +1,16 @@
+connectors:
+  X1:
+    type: SAL M8
+    subtype: male
+    pinlabels: [SCL, GND, SDA, 5V]
+
+cables:
+  W1:
+    category: bundle
+    gauge: 0.14 mm2
+    colors: [BN, WH, BU, BK]
+
+connections:
+  -
+    - X1: [1,2,3,4]
+    - W1: [1,2,3,4]
-- 
2.39.5