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Top Stories
P0238 on Peugeot 207 HDi — A Simple Visit That Turned Into a Real Diagnosis
November 30, 2025
⚡ Why Resistors Drop Voltage but Do NOT Drop Current
November 17, 2025
⚡ Do Resistors Reduce Current?
November 17, 2025
Do Electrons Produce Only Electricity? Understanding Magnetic Fields in Wires
November 16, 2025
silicon doping wafer microscopic structure
⚡ ✅ How Silicon Doping Works: 5 Essential Facts (Explained Simply)
November 16, 2025
⚡ **The Complete Difference Between Conductors, Semiconductors, and Insulators
November 16, 2025
illustration showing electron flow inside a copper conductor, demonstrating how free electrons enable electric current in automotive circuits.
🔹 1. Conductors — Materials That Allow Electricity to Flow Easily
November 16, 2025
"Automotive electrical resistance and material resistivity diagram"
⚡ Resistance, Resistivity, and Conductivity in automotive electrical :
November 16, 2025
“Illustration of current density formula showing current per mm² in automotive copper wire”
⚡ Current Density in Automotive Engineering: What It Is, How to Calculate It, and Why It Matters
November 16, 2025
diagram showing electrons moving in a wire and ions moving only inside the battery electrolyte
⚡ Electrons vs Ions: What’s the Real Carrier of Electric Current?
November 16, 2025
si units used in automotive diagnostics including pressure temperature torque and sensor measurements
Why SI Units Matter in Automotive Diagnostics — And Where They Really Come From
November 14, 2025
diagram showing official EU SUV requirements including AWD, differential lock and 30 percent climb capability
🚙 The Real Legal Requirements for an SUV: What Most People Don’t Know
November 14, 2025
vector addition diagram showing parallelogram and resultant force components
⚙️ Adding Two Vectors Starting from the Same Point but Pointing in Different Directions
November 13, 2025
vector decomposition diagram showing sin and cos components on x and y axes
⚙️ When Exactly Do We Use Sin and Cos?
November 13, 2025
Automotive TVS diode diagram showing clamping action and protection of ECU circuits from voltage spikes.
TVS Diode – Automotive Electronics
November 12, 2025
Diagram of alternator rotor, stator windings, diode bridge and voltage regulator showing AC to DC conversion.
⚙️ The Alternator – How It Moves Electrons and Powers Your Car PART 1
November 12, 2025
alternator rectifier diode bridge showing positive and negative diodes
⚙️ Rectifier Diode_ Diode Bridge — The Heart of Alternator Power Conversion
November 12, 2025
ECU diode protection showing how diodes block reverse polarity
Why the ECU Still Survives— When You Connect the Battery Backward
November 11, 2025
ECU protection circuits layout showing fuse, diode, TVS, and filter
⚡ ECU Protection Circuits: The First Line of Defense Inside Your Car’s Brain
November 11, 2025
ECU PCB materials showing FR4 and FR5 laminate structure
ECU PCB Materials: Understanding FR-4 vs FR-5
November 11, 2025
ECU PCB with FR4 base, copper tracks, green solder mask, and electronic components
How an ECU PCB Is Made: 7 Essential & Powerful Steps
November 11, 2025
The CRDI Crisis in Algeria: When Euro 6 Engines Meet Euro 4 Reality
November 11, 2025
⚙️ Vector Components — Understanding the True Direction of Motion
November 11, 2025
🧭 Vector Representation: From Arrows to the XY Plane
November 10, 2025
Where Did VECTORS Come From?
November 10, 2025
The Difference Between MASS weight and Gravitational Acceleration
November 10, 2025
Weight — When Gravity Holds the Mass
November 10, 2025
force changing motion example push object physics
Force — The Hidden Hand That Changes Everything
November 10, 2025
difference between mass and weight physics diagram
Mass: The Quantity That Refuses to Change
November 10, 2025
Acceleration measures how speed changes over time. Learn the formula a = Δv/Δt, the types of acceleration, real automotive examples, and the role of gravity
Acceleration: When Speed Begins to Change
November 10, 2025
speed formula v = distance/time physics illustration
The First Derived Quantity: Speed
November 10, 2025
⚙️ Article 2: The Seven Scalars That Built Physics
November 9, 2025
✍️ My Journey to Understanding Physics — Starting with Scalars
November 8, 2025
🔩 Our First Hex Nut in SolidWorks – Not Perfect, But a Great Start
November 4, 2025
✏️ Understanding Sketch in SolidWorks — The Foundation of Every 3D Model
November 4, 2025
solidworks beginner lesson 1 simple wooden plate 3d model
🧱 SOLIDWORKS From Zero – Lesson 1: Creating Our First 3D Object
November 3, 2025
Tire Pressure Sensor (TPMS) — The Silent Guardian of Your Safety
November 2, 2025
🚗 Engine Vibration Sensor — When Your Car Feels “Uneasy”
November 2, 2025
Diagram showing how an ECT coolant temperature sensor uses an NTC thermistor to send temperature signals to the ECU
🌡️ Practical Example: The Engine Coolant Temperature Sensor
November 2, 2025
Chinese cars transported by ship to Algeria, illustrating fuel degradation during long storage and shipping conditions
🚗 Chinese cars: A Rare but Possible Issue
November 2, 2025
Sensors automobile
🚗 Introduction to the World of Sensors (Capteurs)
October 31, 2025
🧠 Why the ECU Controls the Ground: The Logic Behind Negative Switching
October 31, 2025
ECU PCB with FR4 base, copper tracks, green solder mask, and electronic components
🧠 The Memory: How Human Intelligence Entered the Automotive World
October 31, 2025
⚙️ Hidden Resistance: The Silent Killer in Automotive Electricity
October 30, 2025
Alternator
⚡ The Truth About Alternator Power: Why You Should Never Use 100% of It
October 30, 2025
Current and the Fuse — The Silent Soldier That Saves Your Car
October 29, 2025
⚡ What Changes Current in a Car — Voltage or Resistance?
October 29, 2025
⚙️ Which Path Leads to Deeper Understanding — Electron Flow or Voltage and Current?
October 29, 2025
⚡ The Great Mystery of the Electron — How Engineers Proved What No One Has Ever Seen
October 29, 2025
🚗 Who Really Makes the Car Move?
October 28, 2025
🧱 Where Does a Car’s Energy Really Come From?Energy
October 27, 2025
⚡ The Great Electric Conspiracy 😂
October 27, 2025
⚡ How to Choose Your First Multimeter The First Electrical Tool Every Mechanic Must Learn to Use
October 27, 2025
🧰 Your First Diagnostic Tool
October 27, 2025
Electrical Circuit
⚡ Why Must an Electrical Circuit Be Closed?
October 27, 2025
⚡ Why Does Removing the Negative Terminal Shut Down the Car?
October 27, 2025
⚡ Do Cars Really Run on 12 Volts? The Technical Truth
October 27, 2025
12 Volts
⚡ Why Did Engineers Choose 12 Volts for Cars?
October 27, 2025
Car Battery
🔋 The Car Battery — The Heart That Powers the Entire Electrical System
October 27, 2025
🚗 Golf 6 1.6L Petrol — Severe Engine Vibration and Abnormal MAP Pressure Drop
October 24, 2025
🚗 Brand-New Livan 1.5 from China… and a P0036 Code on Day One
October 23, 2025
Peugeot Partner B9 (2015) — The Real Cause Behind Code P0087
October 23, 2025
Chinese Cars Arriving in Algeria — When “Transport Mode” Locks You Out
October 22, 2025
El Hadra Mécanique: The Beginning of a Real-World Mechanical Journey
October 22, 2025
Posted inHome

P0238 on Peugeot 207 HDi — A Simple Visit That Turned Into a Real Diagnosis

A friend called me earlier this week:“Bro, I changed the MAF sensor. I just need you to clear the Check Engine light.” Simple job, right?I grabbed my ThinkDiag and went…
Continue Reading
Posted by ANIS SEGOUAT November 30, 2025
Posted inProtection Circuits Systèmes électriques

⚡ Why Resistors Drop Voltage but Do NOT Drop Current

(The Real Physics Inside the Material)** Many beginners think a resistor “blocks electricity” or “reduces current.”This is not what actually happens inside the material. To understand resistors correctly — especially…
Continue Reading
Posted by ANIS SEGOUAT November 17, 2025
Posted inSystèmes électriques Electronic Brain

⚡ Do Resistors Reduce Current?

The Real Truth: They Slow Electrons, Not Their Quantity** Many beginners hear, “A resistor stops current.”This is not accurate.To understand electricity properly—especially for automotive diagnostics—you need the correct picture: ⭐…
Continue Reading
Posted by ANIS SEGOUAT November 17, 2025
Posted inInsights

Do Electrons Produce Only Electricity? Understanding Magnetic Fields in Wires

"Learn why moving electrons create both electric current and magnetic fields. A simple introduction to electromagnetism for automotive beginners." In the previous lesson, we clarified the basics:Electrons are the ones…
Continue Reading
Posted by ANIS SEGOUAT November 16, 2025
silicon doping wafer microscopic structure
Posted inElectronic Brain Systèmes électriques

⚡ ✅ How Silicon Doping Works: 5 Essential Facts (Explained Simply)

Silicon doping is the hidden process that makes modern automotive electronics possible. Modern vehicles depend on millions of tiny electronic components… Why Silicon Doping Matters in Automotive ElectronicsDoped silicon enables…
Continue Reading
Posted by ANIS SEGOUAT November 16, 2025
Posted inSystèmes électriques Electronic Brain

⚡ **The Complete Difference Between Conductors, Semiconductors, and Insulators

Introduction Every electrical and electronic system — from wiring and alternators to ECUs, sensors, and microchips — is built on three fundamental categories of materials: Conductors Semiconductors Insulators These materials…
Continue Reading
Posted by ANIS SEGOUAT November 16, 2025
P0238 on Peugeot 207 HDi — A Simple Visit That Turned Into a Real Diagnosis
Posted inHome

P0238 on Peugeot 207 HDi — A Simple Visit That Turned Into a Real Diagnosis

A friend called me earlier this week:“Bro, I changed the MAF sensor. I just need you to clear the Check Engine light.” Simple job, right?I grabbed my ThinkDiag and went…
Posted by ANIS SEGOUAT November 30, 2025
Posted inProtection Circuits Systèmes électriques

⚡ Why Resistors Drop Voltage but Do NOT Drop Current

(The Real Physics Inside the Material)** Many beginners think a resistor “blocks electricity” or “reduces current.”This is not what actually happens inside the material. To understand resistors correctly — especially…
Posted by ANIS SEGOUAT November 17, 2025
⚡ Do Resistors Reduce Current?
Posted inSystèmes électriques Electronic Brain

⚡ Do Resistors Reduce Current?

The Real Truth: They Slow Electrons, Not Their Quantity** Many beginners hear, “A resistor stops current.”This is not accurate.To understand electricity properly—especially for automotive diagnostics—you need the correct picture: ⭐…
Posted by ANIS SEGOUAT November 17, 2025
Posted inInsights

Do Electrons Produce Only Electricity? Understanding Magnetic Fields in Wires

"Learn why moving electrons create both electric current and magnetic fields. A simple introduction to electromagnetism for automotive beginners." In the previous lesson, we clarified the basics:Electrons are the ones…
Posted by ANIS SEGOUAT November 16, 2025
silicon doping wafer microscopic structure
Posted inElectronic Brain Systèmes électriques

⚡ ✅ How Silicon Doping Works: 5 Essential Facts (Explained Simply)

Silicon doping is the hidden process that makes modern automotive electronics possible. Modern vehicles depend on millions of tiny electronic components… Why Silicon Doping Matters in Automotive ElectronicsDoped silicon enables…
Posted by ANIS SEGOUAT November 16, 2025
Posted inSystèmes électriques Electronic Brain

⚡ **The Complete Difference Between Conductors, Semiconductors, and Insulators

Introduction Every electrical and electronic system — from wiring and alternators to ECUs, sensors, and microchips — is built on three fundamental categories of materials: Conductors Semiconductors Insulators These materials…
Posted by ANIS SEGOUAT November 16, 2025
illustration showing electron flow inside a copper conductor, demonstrating how free electrons enable electric current in automotive circuits.
Posted inSystèmes électriques Electronic Brain

🔹 1. Conductors — Materials That Allow Electricity to Flow Easily

A conductor is a material where electrons move freely, which allows electric current to pass with minimal resistance. ✔ Why do conductors conduct electricity? Because their outer electrons (valence electrons)…
Posted by ANIS SEGOUAT November 16, 2025
"Automotive electrical resistance and material resistivity diagram"
Posted inInsights Electronic Brain Systèmes électriques

⚡ Resistance, Resistivity, and Conductivity in automotive electrical :

In automotive electrical engineering, three physical quantities control how every circuit behaves — from a simple headlight wire to the ECU’s microscopic copper traces: Resistance (R) Resistivity (ρ) Conductivity (G)…
Posted by ANIS SEGOUAT November 16, 2025
“Illustration of current density formula showing current per mm² in automotive copper wire”
Posted inInsights Systèmes électriques

⚡ Current Density in Automotive Engineering: What It Is, How to Calculate It, and Why It Matters

1. What Is Current Density? Current density represents the amount of electric current flowing through each square millimeter of a conductor. Where: S = Current density (A/mm²) I = Current (A)…
Posted by ANIS SEGOUAT November 16, 2025
diagram showing electrons moving in a wire and ions moving only inside the battery electrolyte
Posted inInsights Electronic Brain Systèmes électriques

⚡ Electrons vs Ions: What’s the Real Carrier of Electric Current?

Electrons vs ions in electric current is one of the most misunderstood topics in automotive electronics, and this article explains the real physics clearly. Note from the author: This article…
Posted by ANIS SEGOUAT November 16, 2025

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Recent Posts

  • P0238 on Peugeot 207 HDi — A Simple Visit That Turned Into a Real Diagnosis
  • ⚡ Why Resistors Drop Voltage but Do NOT Drop Current
  • ⚡ Do Resistors Reduce Current?
  • Do Electrons Produce Only Electricity? Understanding Magnetic Fields in Wires
  • ⚡ ✅ How Silicon Doping Works: 5 Essential Facts (Explained Simply)

Recent Comments

  1. How an Alternator Really Works (Full Guide) on ⚙️ Rectifier Diode_ Diode Bridge — The Heart of Alternator Power Conversion

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You May Have Missed
Posted inHome

P0238 on Peugeot 207 HDi — A Simple Visit That Turned Into a Real Diagnosis

Posted by ANIS SEGOUAT November 30, 2025
Posted inProtection Circuits Systèmes électriques

⚡ Why Resistors Drop Voltage but Do NOT Drop Current

Posted by ANIS SEGOUAT November 17, 2025
Posted inSystèmes électriques Electronic Brain

⚡ Do Resistors Reduce Current?

Posted by ANIS SEGOUAT November 17, 2025
Posted inInsights

Do Electrons Produce Only Electricity? Understanding Magnetic Fields in Wires

Posted by ANIS SEGOUAT November 16, 2025
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