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I will design iot pcb, esp32, wifi, stm32, schematic pcb design and multi layer layout
PCB Design and Schematic Expert, IoT and Circuit Solutions
Hi, I'm Jan Lemann, are you struggling with unreliable PCB layouts or circuit failures? I design high performance PCBs, schematics, and IoT circuit boards that work flawlessly from prototype to produc...
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Tired of ESP32 boards that work on breadboard but fail after fabrication? I'm Jan Lemann I design IoT PCBs that survive real-world deployment, not just bench demos.
Your IoT product deserves more than a dev kit crammed into a 3D printed box. I specialize in ESP32 and STM32 multi layer PCB design with WiFi/BLE RF routing, sensor integration, and power optimized layouts.
What you get:
- Schematic PCB Design
- Multi Layer Layout
- ESP32/STM32 Expertise
- WiFi/BLE RF Optimization
- Sensor Integration
- Manufacturing Package
- 3D Enclosure Fit
- Pick-and-Place File
- Power Analysis
- JLCPCB/PCBWay DRC
- Source Files
My Process:
- Requirements Call
- Schematic & Review
- PCB Layout & 3D
- Manufacturing Package
Why Choose Me:
- 95% First-Pass Success
- German Engineering
- Fast Turnaround
- Post-Fab Support
Your competitors are already shipping. Contact me now with your sensor list and power requirements I'll reply with a block diagram and layer stackup recommendation within 12 hours. Let's get your IoT product out of prototype hell and into production.
CONTACT ME NOW!!!!
FAQ
Which ESP32 or STM32 variant should I use?
I work with ESP32-WROOM, WROVER, C3, S3, C6, and STM32F1/F4/F7/H7 series. During our requirements call, I'll recommend the optimal MCU based on your WiFi/BLE needs, GPIO count, power budget, and cost target — then optimize antenna placement and memory routing for that specific variant.
I only have a rough idea and no schematic. Can you still help?
Absolutely. Most of my clients start with just a sensor list and a napkin sketch. I'll design the complete schematic from scratch, select components with available stock, and build the PCB layout — you don't need any prior design files.
How do you ensure my board will work after fabrication?
Three layers of protection: (1) ERC/DRC clean schematics and layouts before export, (2) JLCPCB/PCBWay DRC validation to catch fab-specific issues, (3) power integrity and signal integrity review for critical nets. My 95% first-pass success rate comes from designing for manufacturability, not just c
Can you design for battery-powered IoT with deep sleep?
es — this is my specialty. I optimize power paths, select the right LDO vs. buck converter, calculate sleep current budgets, and target <100µA deep sleep where your application allows. You'll receive a power consumption spreadsheet with estimated battery life before fabrication.
Do I own the design files, or are they locked to you?
You own everything. Premium includes full source files (.kicad_pcb, .sch, libraries). Even Basic/Standard packages include Gerber and manufacturing files you can take to any fabricator. No vendor lock-in, no hidden dependencies — your IP stays yours.
