PCBSync Engineering Tools

Robotic PCB
Engineering Hub

Design smarter robotic control boards, calculate drone PCB costs, explore motor drivers, compare microcontrollers, and master robotic electronics — all in one engineering tool by PCBSync.

⚡ Get Robotic PCB Quote 🚁 Drone PCB Cost Calculator
4–16 PCB Layers
50+ Components Cataloged
20+ MCU Options
$12 Drone PCB From
48h Prototype Turnaround
Robotic PCB Design Drone Control Board Motor Driver Circuit STM32 Robotics ESP32 Robot PCB IMU Sensor Integration Power Distribution Board 4-Layer Robot PCB CAN Bus Robotics ROS-Compatible Hardware Brushless Motor Driver Servo Controller PCB PCBSync Engineering Tools Robotic PCB Design Drone Control Board Motor Driver Circuit STM32 Robotics ESP32 Robot PCB IMU Sensor Integration Power Distribution Board 4-Layer Robot PCB CAN Bus Robotics ROS-Compatible Hardware Brushless Motor Driver Servo Controller PCB PCBSync Engineering Tools
Engineering Capabilities
Robotic PCB Design Tools

Everything an engineer needs — from first schematic to flying drone — in one hub.

🤖
Robotic Control Board Design
Guides, schematics, and reference designs for building robot control PCBs with real-time feedback loops, sensor fusion, and actuator interfaces.
Core Tool
🚁
Drone PCB Cost Estimator
Estimate total drone PCB cost including layer count, ESC integration, FC design, power distribution, RF modules, and antenna layout.
Calculator
🧠
MCU Selector & Comparison
Compare ESP32, STM32, RP2040, Teensy, and more. Find the right microcontroller for your robot's compute, I/O, and real-time requirements.
Reference
⚙️
Motor Driver Selector
Match your motor type — brushed DC, BLDC, stepper, servo — to the right driver IC. Covers current rating, heat dissipation, and layout tips.
Selector
📦
Robotic Parts Library
Browse IMUs, LiDARs, ultrasonic sensors, power ICs, connectors, and RF modules commonly used in robotic PCB designs.
Library
✅
PCB Design Checklist
Interactive pre-fabrication checklist covering schematic, layout, power integrity, EMC, DFM, and test points for robotic PCBs.
Checklist
📐
Layer Stack Advisor
Decide between 2, 4, 6, or 8-layer stackups based on your robot's signal complexity, EMC requirements, and budget constraints.
Advisor
🏭
Brand Directory
Trusted manufacturers and component brands for robotic PCBs — from STMicroelectronics to JLCPCB, Allegro, and TI.
Directory
📡
Communication Protocol Guide
CAN Bus, UART, SPI, I²C, RS-485, PWM, and DSHOT — understand when and how to route each protocol on your robotic PCB.
Guide
Interactive Tool
🚁 Drone PCB Cost Calculator

Estimate your drone or robotic PCB project cost. Adjust parameters to see real-time breakdowns.

Get Exact Quote from PCBSync →
▶ Cost Breakdown
PCB Fabrication—
Surface Finish Premium—
Copper Weight Premium—
Via Technology—
Impedance Control—
SMT Assembly—
Turnaround Premium—
Tooling & Setup—
Estimated Total (USD)
$0.00
— per unit at selected quantity
⚠ Estimates are indicative. Actual pricing depends on your BOM, exact specs, and manufacturer. Contact PCBSync for a firm quote.
Engineering Reference
🧠 MCU Comparison for Robotic PCB

Choose the right microcontroller for your robot. Sorted by real-world robotic suitability.

MCU / Board Core Speed RAM Flash Interfaces Wireless Robot Use Case PCBSync Rating
STM32F4 ARM Cortex-M4 168 MHz 192 KB 1 MB SPI,I²C,CAN,UART — Flight Controller · Industrial ★★★★★
STM32H7 ARM Cortex-M7 480 MHz 1 MB 2 MB Ethernet,CAN FD,USB — High-Performance Robot · Drone ★★★★★
ESP32-S3 Xtensa LX7 DP 240 MHz 512 KB 16 MB SPI,I²C,TWAI,USB Wi-Fi + BT5 IoT Robot · Swarm · Vision ★★★★☆
RP2040 ARM Cortex-M0+ DP 133 MHz 264 KB 16 MB ext SPI,I²C,UART,PIO — Servo Control · DIY Robot ★★★★☆
Nordic nRF52840 ARM Cortex-M4F 64 MHz 256 KB 1 MB SPI,I²C,UART,USB BT5 · BLE · Thread Wearable Robot · Wireless ★★★★☆
Teensy 4.1 ARM Cortex-M7 600 MHz 1 MB 8 MB CAN,Ethernet,USB — High-Speed Control · BLDC ★★★★☆
ATmega328P AVR 8-bit 16 MHz 2 KB 32 KB SPI,I²C,UART — Simple Robot · Education ★★★☆☆
RISC-V CH32V307 RISC-V RV32IMAFC 144 MHz 64 KB 256 KB Ethernet,CAN,USB — Cost-Optimised Industrial ★★★☆☆
i.MX RT1060 ARM Cortex-M7 600 MHz 1 MB Ext SDRAM/Flash Ethernet,CAN,USB — AI Inference · Vision Robot ★★★★★
Component Tool
⚙️ Motor Driver Selector

Filter by motor type to find the right driver IC for your robotic PCB design.

Brushed DC
DRV8833
Vout: 2.7–10.8 V  |  Current: 1.5 A/ch
Channels: 2  |  Pkg: WSON-16
Features: Sleep mode, OCP, OTP
Best For: Mini robots, AGVs, toys
Brushed DC
TB6612FNG
Vout: 4.5–13.5 V  |  Current: 1.2 A/ch (3.2 A peak)
Channels: 2  |  Pkg: SSOP-24
Features: PWM up to 100 kHz
Best For: Arduino bots, wheeled robots
Brushed DC · High Power
VNH5019A
Vout: 5.5–24 V  |  Current: 12 A
Channels: 1  |  Pkg: PowerSSO-36
Features: Diag, current sense, thermal
Best For: Heavy duty robot, electric gripper
BLDC / FOC
DRV8323R
Vout: 6–60 V  |  Gate Drv: 1.0 A source
Shunt Amps: 3 × (bidirectional)
Interface: SPI
Best For: Drone ESC, BLDC FOC robots
BLDC / ESC
ADUM3223 + FETs
Vout: Up to 100 V  |  Drive: 4 A src/sink
Isolation: 2500 V rms
Interface: PWM
Best For: High-voltage industrial joints
BLDC Integrated
MC33937A
Vout: 8–58 V  |  Gate Drv: 1.5 A
Interface: SPI + PWM
Features: OCP, VDS mon, deadtime
Best For: Drone power stage, e-bike
Stepper
TMC2209
Vmot: 4.75–29 V  |  Current: 2.8 A RMS
Microstep: 1/256
Interface: UART + STEP/DIR
Best For: Robot arm joints, CNC robots
Stepper · High Power
DRV8711
Vmot: 8–52 V  |  Current: 4 A
Microstep: 1/128
Interface: SPI
Best For: Industrial robot axes
Stepper · Dual
L298N
Vsupply: 5–46 V  |  Current: 2 A/ch
Channels: 2  |  Pkg: Multiwatt15
Note: Legacy; consider TMC for new designs
Best For: Educational robots
Servo Controller
PCA9685
Interface: I²C  |  Channels: 16 PWM
Freq: 24–1526 Hz  |  Res: 12-bit
Supply: 2.3–5.5 V
Best For: Humanoid robots, hexapods
Servo · Smart Bus
Dynamixel TTL Bus
Interface: TTL Half-Duplex UART
Topology: Daisy-chain bus
Supply: 9–12 V typical
Best For: Robot arms, walking robots
Servo Driver
STS3215 Controller
Interface: UART bus
Torque: 15 kg·cm
Features: Position/speed/load feedback
Best For: Low-cost robot arm PCB
Reference
📦 Robotic Parts Library

Commonly used components in robotic PCB designs, organized by category.

TDK InvenSense
ICM-42688-P
6-axis IMU · ±2000°/s · SPI/I²C · 2.5×3.0mm · Ultra-low noise for drone stabilisation
~$3.50 / unit
Bosch Sensortec
BMI088
6-axis IMU · Vibration-robust · ±2000°/s · SPI/I²C · Designed for drone & robotics
~$4.20 / unit
STMicroelectronics
ISM330DHCX
6-axis IMU · ±4000°/s · Machine Learning Core · SPI · Industrial grade
~$5.80 / unit
Bosch Sensortec
BMP388
Barometric pressure sensor · ±0.5m altitude accuracy · I²C/SPI · Drone altitude hold
~$1.90 / unit
Honeywell
MMC5983MA
3-axis magnetometer · 0.4mG resolution · SPI/I²C · Robot compass, heading
~$2.10 / unit
Maxim / Analog
MAX21100
9-axis IMU · On-chip Kalman · 1kHz output · SPI · Advanced robotics attitude
~$7.50 / unit
Texas Instruments
TPS54360B
Buck converter · 60V · 3.5A · 2.4 MHz · Drone main rail, LiPo to 5V/3.3V
~$1.80 / unit
Texas Instruments
INA226
Power monitor · ±0.1% accuracy · I²C · 36V max · Battery & load current sense
~$2.50 / unit
Maxim
MAX17261
Li-ion fuel gauge · ModelGauge m5 · I²C · 1–4 cell · Robot battery management
~$4.20 / unit
ON Semiconductor
NCP3334A
LDO · 500mA · 1% accuracy · SOT-23 · MCU supply rail, sensor supply
~$0.45 / unit
Analog Devices
LT8614
Silent Switcher 2 · 4A · 42V · Low EMI · RF-sensitive robot sections
~$6.20 / unit
Vishay
SiR622DP
N-Channel MOSFET · 30V · 30A · 5.4mΩ · Motor switching, power distribution
~$0.90 / unit
NXP
TJA1051T/3
CAN Bus transceiver · 5Mbps · 3.3V/5V · Robotic joints, multi-board CAN network
~$1.20 / unit
Semtech
SX1262
LoRa module · 868/915 MHz · -148dBm · Long-range outdoor robot comms
~$3.80 / unit
u-blox
SAM-M10Q
GNSS module · GPS+GLONASS+Galileo · 1.5m CEP · Drone GPS, robot navigation
~$18.00 / unit
MaxLinear
SP3485
RS-485 transceiver · 10 Mbps · 3.3V · Robot daisy chain, sensor bus
~$0.65 / unit
Espressif
ESP32-C6 Module
Wi-Fi 6 + BT5 + Thread/Zigbee · RISC-V · Smart robot IoT gateway
~$2.50 / unit
Analog Devices
ADUM1201
Digital isolator · 2-ch · 25 Mbps · I²C / UART isolation between robot boards
~$1.80 / unit
JST
GH 1.25mm Crimp
2–8 pin · 1A · Compact · SMD/THT · Motor, battery, sensor wiring on small robot PCBs
~$0.20–0.60 / unit
Molex
Micro-Lock Plus 1.25mm
1–15 pos · 1A · Locking · High vibration resistance for drone/UAV PCBs
~$0.40–1.20 / unit
TE Connectivity
MX150 2.5mm
2–12 pos · 13A/pos · IP67-sealing option · Industrial robot & outdoor use
~$1.50–4.00 / unit
Samtec
FTSH-105 FFC 0.5mm
5–51 pos · Flexible flat · Compact · Camera, display ribbon on robot vision PCBs
~$0.80 / unit
RPLIDAR / Slamtec
A1M8 360° LiDAR
12m range · 8000 samples/s · UART · 2D scanning SLAM for mobile robots
~$99 / unit
Benewake
TFmini Plus
12m range · ±6cm · UART/I²C · Compact · Drone obstacle avoidance, robot proximity
~$29 / unit
ST
VL53L5CX
ToF · 8×8 multizone · 4m · I²C · 60Hz · Robot floor mapping, cliff detection
~$5.50 / unit
Garmin
LiDAR-Lite v3HP
40m range · ±2.5cm · I²C/PWM · Drone altitude, robot ranging
~$129 / unit
Engineering Education
📚 How to Design a Robotic PCB

A structured learning path from concept to flying / rolling robot. Follow these steps for a production-ready board.

01
🎯
Define System Architecture
Map out all subsystems: power, MCU, motor control, sensing, comms. Draw a block diagram before touching EDA software. Define voltage rails and current budgets.
02
🧠
Select Your MCU
Match CPU speed, RAM, peripherals (CAN, SPI, timers) to your control loop requirements. For real-time robotics, Cortex-M4/M7 is the standard choice.
03
⚡
Design the Power Stage
Choose your buck/boost topology, calculate inductor and capacitor values, plan thermal management. Separate analog and digital ground planes.
04
🔌
Schematic Capture
Use KiCad, Altium, or EasyEDA. Add decoupling caps to every IC, pull-up/down resistors, ESD diodes on all external-facing pins, and EMI filters on motor wires.
05
📐
PCB Layout & Stackup
Use 4 layers minimum for robotic boards. Keep high-current motor loops tight. Place IMU away from switching regulators. Route differential pairs with matched length.
06
🔍
DRC & Design Review
Run Design Rule Check in your EDA tool. Peer-review the schematic. Check footprints against datasheets. Verify all component courtyard clearances.
07
🏭
Fabrication & Assembly
Export Gerber, drill, and BOM files. Submit to PCBSync for fast-turn prototype. Consider ENIG finish for SMD pads and connector gold fingers.
08
🧪
Bring-Up & Validation
Power up with a current-limited bench PSU. Check all rail voltages before connecting motors. Flash firmware, validate sensor readings, tune control loops.
Interactive Tool
✅ Robotic PCB Pre-Fab Checklist

Work through every category before submitting your Gerbers. Track your progress in real-time.

Checklist Progress 0%
Schematic
PCB Layout
Power Integrity
DFM & Fab Prep
Design Tool
📐 PCB Layer Stack Advisor

Select the right stackup for your robotic PCB based on complexity and EMC needs.

2
Layers
Simple robots, breakout boards, sensor modules
4
Layers
Flight controllers, robot control boards, drone ESC
6
Layers
High-speed comms, industrial robots, dense BGA
8
Layers
AI compute modules, complex multi-domain systems
4-Layer Robotic PCB Stackup (Industry Standard)
Industry Reference
🏭 Robotic PCB Brand Directory

Trusted manufacturers, component suppliers, and EDA tools used in professional robotic PCB design.

PCBSync
PCB Manufacturer
Specialised robotic and drone PCB fabrication with fast-turn prototypes, ENIG finish, and SMT assembly.
★★★★★
STMicroelectronics
MCU & Power ICs
STM32 MCUs dominate professional robotics and drone flight controllers worldwide.
★★★★★
Texas Instruments
Motor Drivers & Power
Industry-leading DRV series motor drivers, power management ICs, and current sense amplifiers.
★★★★★
TDK InvenSense
IMU / Sensors
ICM series 6-axis IMUs power the majority of consumer and professional drones globally.
★★★★★
Altium Designer
EDA Software
The industry standard EDA suite for professional robotic PCB design, simulation, and collaboration.
★★★★★
KiCad
Open-Source EDA
Free, professional-grade PCB design suite. Default choice for open-source robotic platforms like Betaflight.
★★★★☆
NXP Semiconductors
CAN & MCU
TJA CAN transceivers and i.MX RT cross-over processors for advanced robot control boards.
★★★★★
Analog Devices
Precision Mixed-Signal
Precision op-amps, isolators, motor controllers, and MEMS sensors for industrial robotics.
★★★★★
Espressif
Wi-Fi / BT SoC
ESP32 family brings affordable Wi-Fi and Bluetooth connectivity to IoT robots and smart devices.
★★★★☆
u-blox
GNSS / Positioning
Industry-leading GNSS modules for drone GPS, outdoor robot navigation, and RTK positioning.
★★★★★
Knowledge Base
Frequently Asked Questions

Common questions from engineers designing robotic PCBs for the first time.

How many PCB layers does a drone flight controller need? ▾
Most professional drone flight controllers use a 4-layer stackup: Signal-GND-PWR-Signal. This provides a solid ground reference for the IMU, separates noisy switching power from sensitive analog signals, and keeps the board compact. High-performance FCs for racing drones with dense BGA MCUs may step to 6 layers. Budget builds and educational projects can use 2-layer boards, though EMC performance will be compromised.
What is the typical cost to design and manufacture a drone PCB? ▾
A bare 4-layer drone flight controller PCB (≈36cm²) typically costs $12–$35 per board at low volumes (10 pcs) with ENIG finish. Add SMT assembly for another $15–$80 depending on component count and placement complexity. Prototype NRE (engineering + setup) adds $50–$200 as a one-time cost. Full custom drone PCB with BOM for 10 units typically runs $300–$600 total. Use our Cost Calculator above for a detailed breakdown.
Which MCU is best for a robotic control board? ▾
For professional robotics, the STM32F4 and STM32H7 families are the most widely used — they offer hardware floating point, multiple timers for PWM generation, CAN Bus, SPI for IMUs, and a mature ecosystem (ArduPilot, Betaflight, ROS2). For wireless IoT robots, ESP32-S3 adds Wi-Fi 6 and BT5 with a dual-core 240MHz processor. For high-speed, real-time control loops, Teensy 4.1 (600MHz Cortex-M7) is a favourite. Use our MCU Comparison Table to match specs to your project.
What surface finish should I choose for a robotic PCB? ▾
ENIG (Electroless Nickel Immersion Gold) is the standard choice for robotic PCBs. It provides a flat, solderable surface ideal for fine-pitch SMD components and connectors, and the gold finish resists oxidation in humid or outdoor robot environments. HASL is cheaper but less flat — acceptable for through-hole components but not recommended for 0402 SMD or BGA. Hard Gold is used only for edge connectors and gold finger interfaces that see repeated mating cycles.
How do I reduce EMI from motor drivers on my robotic PCB? ▾
Key strategies: (1) Place bulk capacitors right at the motor driver power input to suppress switching noise. (2) Keep the high-current motor loop (driver, FETs, motor connector) as small as possible — large loop area = large antenna. (3) Use a solid ground plane beneath the driver. (4) Add common-mode chokes on motor output wires for conducted EMI. (5) Consider a ferrite bead between the MCU power rail and motor driver power rail. (6) If using a 4-layer board, dedicate an entire layer to a clean GND plane.
What is the difference between a robot control board and a drone flight controller? ▾
A drone flight controller is a specific type of robotic control board optimised for aerial vehicles. It emphasises high-frequency IMU sampling (4–8 kHz gyro rates), fast PWM/DSHOT motor output, and compact form factor (typically 20×20mm or 30.5×30.5mm mounting pattern). A general robotic control board has more diverse I/O — CAN Bus for joint actuators, RS-485 for sensor buses, higher current motor interfaces, and may carry additional compute (Ethernet, USB host). Both share the same fundamental PCB design principles.
How long does it take to get a robotic PCB prototype from PCBSync? ▾
Standard turn for a 4-layer robotic PCB at PCBSync is 5–7 business days for bare boards. Expedited service can deliver in 2–3 days. With SMT assembly included, typical lead time is 7–12 days. Rush orders with assembly can be turned in 4–5 days. Shipping time depends on your location. Visit pcbsync.com/robot-pcb/ to get an exact quote and lead time estimate for your specific project.