readme

Author: prashantbhandary

README.md

@@ -15,7 +15,6 @@ This repository contains a complete KiCad project for a Four Relay Module design
 - **4-Channel Relay Control**: Independent control of four separate relay channels
 - **Opto-Isolated Design**: Safe isolation between the control circuitry and relay switching
 - **Power Options**: Compatible with 5V or 12V power supply (depending on relay specifications)
-- **Input Protection**: Circuit protection for control signals and power supply
 - **LED Indicators**: Status LEDs for each relay channel
 - **Compact Design**: Efficient layout with optimized component placement
 - **Screw Terminal Blocks**: Easy connection for input/output wiring
@@ -37,7 +36,7 @@ The Four Relay Module schematic includes:
 The PCB is designed as a 2-layer board with the following specifications:
 
 - **Dimensions**: Standard form factor optimized for space efficiency
-- **Copper Weight**: 1oz copper for standard current handling
+- **Copper Weight**: copper for standard current handling
 - **Trace Width**: Appropriately sized for relay current requirements
 - **Ground Plane**: Full ground plane for noise reduction and thermal management
 - **Silkscreen**: Clear component labeling and polarity indicators
@@ -49,15 +48,15 @@ The PCB is designed as a 2-layer board with the following specifications:
 
 ### Prerequisites
 
-- KiCad 6.0 or later
+- KiCad 9.0 or later
 - Standard soldering equipment
 - Electronic components as listed in the BOM
 
 ### Manufacturing
 
 The design includes all necessary manufacturing outputs:
 
-1. Gerber files for PCB fabrication
+1. Gerber files for PCB fabrication can be generated from the KiCad project as per requirements
 2. Drill files for hole placement
 3. Pick-and-place files for automated assembly (if applicable)
 4. BOM (Bill of Materials) for component sourcing