Displays • Power • Boosters • Devices
Physical Deck — Digital Preview Below
The surest introduction
to electronics.
A simple card game that teaches kids real components, connections and circuits — without buying any kits or hardware.
- • No worries about where to begin.
- • No more "let's try another kit."
- • No need to supervise every minute.
Real engineering. Zero risk.
Displays • Power • Boosters • Devices
Physical Deck — Digital Preview Below
Experience how easy real electronics can be.
If this is this simple in your browser, imagine what the physical card game can unlock.
No expensive kits.
Kids learn real components and logic without wasting money on trial-and-error kits.
No shallow assembly.
Children understand actual electronics — not toy-level plug-and-play assembly.
No supervision needed.
Kids learn independently because the card game itself teaches engineering logic.
The Real 36-Card Engineering Deck
A physical deck engineered for kids — the digital preview lives on this site.
Circuit Heroes is a real physical card game.
This digital version lets you explore the cards before the deck launches.
Displays • Power • Boosters • Devices
The Future Your Child Builds
A child who thinks in systems.
Understanding inputs, outputs, logic, power and optimization.
A child who understands components.
Not visually — but functionally, like real engineers.
A child who builds confidently.
No fear of mistakes, burnouts or breakage.
A child ready for real hardware.
Strong foundation before touching physical components.
Kids build intuition by understanding universal engineering traits.
THE ENGINEERING STATS SYSTEM
OUTPUT
How strong the component drives results.
ENDURANCE
How long it lasts under continuous use.
STABILITY
How reliable it behaves in circuits.
This is the exact logic real engineers use to build circuits.
Real Circuit Logic
Inputs
Sensors, triggers, digital signals
Processor
ESP32, Arduino, controllers
Outputs
Motors, buzzers, LEDs, displays
The same logic your child will use when building real circuits.
Your child learns the actual families of hardware they will use later.
Circuit Builder — Lion Circuits Edition 1
The complete 36-card PCBCUPID deck with P-Unit power system and UCIL universal I/O language. Fully interactive. Click cards for details.
Glyph-C3
Low-power WiFi/BLE MCU for simple automation.
Glyph-H2
Ultra-low-power MCU for mesh and sensor applications.
Glyph-C6
High-performance RF + PWM controller for robotics.
Glyph-S3
Dual-core MCU for displays, logging, and heavy tasks.
I2S Mic (Mono)
Single-channel digital audio capture.
I2S Mic (Stereo)
Stereo audio capture (Left/Right).
SHT35 Temp/Humidity
Medium-accuracy temperature and humidity sensor.
SHT45 Temp/Humidity
High-accuracy temperature and humidity sensor.
GS1003 RS485 T/H Sensor
Industrial RS485 temperature and humidity sensor.
QMC6309 Magnetometer
Compass and magnetic field sensing.
CAP1203 Touch Sensor
Capacitive multi-touch sensing.
TB6612FNG Motor Driver
Dual-channel motor driver for DC and robotics.
SG90 Micro Servo
Small PWM-controlled servo motor.
N20 Gear Motor
Compact DC motor for robots and mechanisms.
775 High-Torque Motor
Heavy-duty DC motor for high-torque tasks.
Active Buzzer
Simple beep/alert sound output.
OLED Display 0.96"
Small I2C OLED for graphics and readings.
LCD1602 Display
16×2 character display for text output.
7-Segment Display
Bright numeric display for timers and counters.
USB Power 5V
Basic 5V power for small builds.
AMS1117 3.3V Reg
Regulates 5V to 3.3V for logic modules.
18650 Li-ion Cell
Rechargeable battery for medium builds.
XL4015 Buck Converter
High-current adjustable power supply for motors.
1-Channel Relay
Controls high-voltage loads safely.
2-Channel Relay
Dual relay switching for appliances and loads.
MicroSD Card Module
Stores data and readings for logging.
MCP79412 RTC
Accurate real-time clock for timestamps.
PCF8563 RTC
Low-power clock for timekeeping.
WS2812B RGB Ring
Programmable RGB lighting effects.
Push Button Module
Simple digital trigger input.
Weather Station
Reads and displays real-time temperature and humidity.
RS485 Env Monitor
Industrial RS485 temperature and humidity display.
Smart Door Lock
Touch-based unlocking using servo.
Robot 2WD
Dual-motor robot with driver and touch control.
Torque 775 Unit
High-power 775 motor control unit.
Data Logger
Logs climate data with timestamps.
Building With Global Hardware Ecosystem
Support Grants By:
Malpani Ventures • AI Grant India
Real Builds by Kids
Smart Table
AQI Ninja
Gesture Car
Sensor Reader
Maze Robot
Drone Projects
NEP Aligned
Hands-on, experiential learning that matches modern pedagogy.
Zero Hardware Required
The entire fundamentals can be learned without lab infrastructure.
Build Real Engineering Mindset
Students learn actual circuit logic, not symbolic representations.
₹499
One deck. Endless engineering.
Component Cost
Traditional kits: ₹2,000–₹5,000+ per project
Circuit Heroes
One deck: ₹499 for unlimited projects
Circuit Heroes is first and foremost a physical card game.
Explore the digital preview, then get the real deck when we launch.