Arduino-Based Chemical Dosing PCB Design
Budget: $10 – $30 USD
Title: Industrial PCB Design for Arduino-based 4-Pump Chemical Dosing System
Description:
I am looking for a professional PCB designer to create a robust, industrial-grade PCB for a chemical dosing system. The project is based on an Arduino Uno and must be designed to eliminate EMI noise from inductive loads.
Key Technical Requirements:
Microcontroller: Arduino Uno (Socketed on the PCB).
Outputs: Control for 4x DC Pumps (24V) and 1x Solenoid Valve via Opto-isolated Relays.
Power System: 24V DC Main Input with a Resettable Fuse (PPTC) for protection.
Noise Immunity: Must include Flyback Diodes (1N4007) for each output and proper decoupling capacitors for logic stability.
Isolation: Separate ground planes for Logic (5V) and Power (24V) to prevent interference.
External Interface: Headers for an external I2C LCD (20x4) and 4x external push buttons.
Deliverables Required:
Full Gerber files (with NC Drill).
BOM (Bill of Materials) with specific component suggestions.
Schematic in PDF format.
3D Rendering of the board.
Description:
I am looking for a professional PCB designer to create a robust, industrial-grade PCB for a chemical dosing system. The project is based on an Arduino Uno and must be designed to eliminate EMI noise from inductive loads.
Key Technical Requirements:
Microcontroller: Arduino Uno (Socketed on the PCB).
Outputs: Control for 4x DC Pumps (24V) and 1x Solenoid Valve via Opto-isolated Relays.
Power System: 24V DC Main Input with a Resettable Fuse (PPTC) for protection.
Noise Immunity: Must include Flyback Diodes (1N4007) for each output and proper decoupling capacitors for logic stability.
Isolation: Separate ground planes for Logic (5V) and Power (24V) to prevent interference.
External Interface: Headers for an external I2C LCD (20x4) and 4x external push buttons.
Deliverables Required:
Full Gerber files (with NC Drill).
BOM (Bill of Materials) with specific component suggestions.
Schematic in PDF format.
3D Rendering of the board.