TRACKLINK V2: Advanced Controller for Model Trains

Specifications

• Microcontroller: ESP32-S3
• Motor Driver: DRV8212 (up to 4A peak)
• LED Control: Directly driven by transistors, supports up to 6 LEDs, onboard current-limiting resistor (100Ω) for each LED
• Audio Output: MAX98357 I2S Audio Amplifier
• Battery Charging: TP4056 Li-ion Charging IC (for 18650 Li-ion battery)
• Protection: Built-in reverse polarity protection, Digital cutoff for over discharge protection.

How to order your board from JLCPCB:

These instructions are for you reference only, the board is not tested yet. kindly wait

Step 1: Open in editor

Step 2: Open PCB file

Step 3: Order

Click Order(A) -> "Order PCB" button

Continue with Yes, Check DRC - there should be no errors

Click confirm & it will open the JLCPCB order page

Step 4: PCB Specification

• PCB Thickness: 1.2mm
• Surface finish: LeadFree HASL

Leave the rest of the settings unchanged

Step 5: PCB Assembly

Enable PCB Assembly for order and click NEXT
Make sure the Economic PCBA type is chosen

Step 6: BOM & CPL files

Click next

Bill of Materials and Pick and Place file will be uploaded automatically

Ignore this error for U10, H1, CN9 -> Click continue

Step 7: Confirm BOM & Placement

There will be no errors if every component is in stock. Click "Next"

Every component will be shown except these 3 parts, its fine. Click "Next"

Step 8:  Save to Cart

Choose product category (for sake of bureaucracy)  & Save to Cart

Final Step: Choose quantity & Checkout

Finally choose your quantity and checkout.
As of Dec 2024, 5 boards cost $100 (incl. shipping to US)