Kinetic Pulse PCBA Design & Creation
Budget: $30 – $250 USD
Project Brief: Kinetic Pulse PCBA
1. Core Functional Requirements
Power Input: Must accept AC input from a linear induction coil (approx. 3,000 turns).
Energy Storage: Must use a Supercapacitor (1.5F - 2.0F / 5.5V) as the sole energy storage—No chemical batteries.
Power Regulation: A boost converter must provide a stable 3.3V rail even as the capacitor discharges down to 0.7V.
Power Efficiency: The entire system must be "Nano-power." Total standby/idle current must be < 1µA to ensure the device holds a charge.
Timing Logic: An internal timer must trigger a 100ms audible alert (Buzzer) every 40 seconds.
Pressure Sensing: The system must interface with a Force Sensitive Resistor (FSR).
State 1: Visual Green LED alert when pressure is applied (> 50g).
State 2: Visual Red LED alert when pressure is excessive (> 300g).
2. Mechanical Constraints
Form Factor: The PCB must be a narrow strip with a Maximum Width of 15mm.
Assembly: All components must be available in the JLCPCB/LCSC SMT library for immediate manufacturing.
3. Milestone & Payment Schedule ($170 Total)
Milestone 1: Engineering Design & Simulation ($70)
Deliverables:
Component Selection Report: The engineer must define and justify the specific ICs (Boost, Timer, Comparators) that meet the < 1µA idle current requirement.
Functional Simulation: Successful simulation of the 40-second timer and the dual-threshold pressure logic (0.5V to 3.3V sweep).
Schematic Draft: Initial EasyEDA Pro schematic for review.
Milestone 2: PCB Layout & Manufacturing Files ($100)
Deliverables:
PCB Design: Completed 15mm wide PCB layout in EasyEDA Pro.
Manufacturing Package: Gerber, BOM, and CPL files ready for JLCPCB SMT production.
Final Report: Detailed breakdown of calculated power consumption and estimated "run-time" per 60-second shake.
1. Core Functional Requirements
Power Input: Must accept AC input from a linear induction coil (approx. 3,000 turns).
Energy Storage: Must use a Supercapacitor (1.5F - 2.0F / 5.5V) as the sole energy storage—No chemical batteries.
Power Regulation: A boost converter must provide a stable 3.3V rail even as the capacitor discharges down to 0.7V.
Power Efficiency: The entire system must be "Nano-power." Total standby/idle current must be < 1µA to ensure the device holds a charge.
Timing Logic: An internal timer must trigger a 100ms audible alert (Buzzer) every 40 seconds.
Pressure Sensing: The system must interface with a Force Sensitive Resistor (FSR).
State 1: Visual Green LED alert when pressure is applied (> 50g).
State 2: Visual Red LED alert when pressure is excessive (> 300g).
2. Mechanical Constraints
Form Factor: The PCB must be a narrow strip with a Maximum Width of 15mm.
Assembly: All components must be available in the JLCPCB/LCSC SMT library for immediate manufacturing.
3. Milestone & Payment Schedule ($170 Total)
Milestone 1: Engineering Design & Simulation ($70)
Deliverables:
Component Selection Report: The engineer must define and justify the specific ICs (Boost, Timer, Comparators) that meet the < 1µA idle current requirement.
Functional Simulation: Successful simulation of the 40-second timer and the dual-threshold pressure logic (0.5V to 3.3V sweep).
Schematic Draft: Initial EasyEDA Pro schematic for review.
Milestone 2: PCB Layout & Manufacturing Files ($100)
Deliverables:
PCB Design: Completed 15mm wide PCB layout in EasyEDA Pro.
Manufacturing Package: Gerber, BOM, and CPL files ready for JLCPCB SMT production.
Final Report: Detailed breakdown of calculated power consumption and estimated "run-time" per 60-second shake.