Circuit Heroes

Circuit Builder

Lion Circuits Edition 1

The complete 36-card engineering deck featuring processors, sensors, drivers, displays, outputs, power units, support modules, and buildable devices. Real engineering. Made simple.

Real Engineering. Made Simple.

ESP32-C3

Glyph-C3

Process

Low-power WiFi/BLE MCU for simple automation.

IN:
◁◇≋◁
OUT:
▷▷✦❱
P-Cost:2
OUT:70
END:82
STAB:88
Logic: 3.3V
Reliable Core
ESP32-H2

Glyph-H2

Process

Ultra-low-power MCU for mesh and sensor applications.

IN:
◁◇≋◁
OUT:
▷▷✦❱
P-Cost:2
OUT:68
END:90
STAB:92
Logic: 3.3V
Mesh Ready
ESP32-C6

Glyph-C6

Process

High-performance RF + PWM controller for robotics.

IN:
◁◇≋◁
OUT:
▷▷✦❱
P-Cost:2
OUT:80
END:78
STAB:86
Logic: 3.3V
Robo Control
ESP32-S3

Glyph-S3

Process

Dual-core MCU for displays, logging, and heavy tasks.

IN:
◁◇≋◁
OUT:
▷▷✦❱
P-Cost:2
OUT:82
END:85
STAB:90
Logic: 3.3V
Dual Power
1-CH I2S MIC

I2S Mic (Mono)

Input

Single-channel digital audio capture.

OUT:
≋
P-Cost:1
OUT:40
END:70
STAB:82
Logic: 3.3V I2S
Clear Capture
2-CH I2S MIC

I2S Mic (Stereo)

Input

Stereo audio capture (Left/Right).

OUT:
≋≋
P-Cost:1
OUT:45
END:72
STAB:80
Logic: 3.3V I2S
Dual Audio
SHT35

SHT35 Temp/Humidity

Input

Medium-accuracy temperature and humidity sensor.

OUT:
◇
P-Cost:1
OUT:38
END:78
STAB:86
Logic: I2C 3.3V
Stable Climate
SHT45

SHT45 Temp/Humidity

Input

High-accuracy temperature and humidity sensor.

OUT:
◇
P-Cost:1
OUT:42
END:82
STAB:90
Logic: I2C 3.3V
Precision Air
GSI003

GS1003 RS485 T/H Sensor

Input

Industrial RS485 temperature and humidity sensor.

OUT:
◇
P-Cost:1
OUT:50
END:88
STAB:84
Logic: RS485
Power: 5V
Industrial Grade
QMC6309

QMC6309 Magnetometer

Input

Compass and magnetic field sensing.

OUT:
◇
P-Cost:1
OUT:48
END:70
STAB:82
Logic: I2C 3.3V
True North
CAP1203

CAP1203 Touch Sensor

Input

Capacitive multi-touch sensing.

OUT:
◇
P-Cost:1
OUT:36
END:72
STAB:90
Logic: I2C 3.3V
Touch Sense
TB6612FNG

TB6612FNG Motor Driver

Driver

Dual-channel motor driver for DC and robotics.

IN:
🔧
OUT:
⟳⟳
P-Cost:3
OUT:70
END:75
STAB:82
Logic: 3.3V
Power: 6–12V Motor
Stable Drive
SG90

SG90 Micro Servo

Output

Small PWM-controlled servo motor.

IN:
◁
OUT:
⚙
P-Cost:3
OUT:62
END:70
STAB:82
Logic: PWM
Power: 5V
Smooth Move
N20

N20 Gear Motor

Output

Compact DC motor for robots and mechanisms.

IN:
◁
OUT:
⚙
P-Cost:5
OUT:75
END:65
STAB:70
Logic: Driver Only
Power: 6–12V
Mini Torque
775 Motor

775 High-Torque Motor

Output

Heavy-duty DC motor for high-torque tasks.

IN:
◁
OUT:
⚙
P-Cost:8
OUT:95
END:70
STAB:68
Logic: Driver Only
Power: 12V
Heavy Spin
Buzzer

Active Buzzer

Output

Simple beep/alert sound output.

IN:
◁
OUT:
♬
P-Cost:1
OUT:45
END:75
STAB:78
Logic: Digital/PWM
Power: 3.3–5V
Alert Tone
OLED-096

OLED Display 0.96"

Display

Small I2C OLED for graphics and readings.

IN:
◇
OUT:
✦
P-Cost:2
OUT:40
END:75
STAB:85
Logic: I2C 3.3V
Power: 3.3–5V
Clear View
LCD1602-I2C

LCD1602 Display

Display

16×2 character display for text output.

IN:
◇
OUT:
✦
P-Cost:2
OUT:38
END:80
STAB:82
Logic: I2C 3.3V
Power: 5V
Retro Text
TM1637

7-Segment Display

Display

Bright numeric display for timers and counters.

IN:
◁◁
OUT:
✦
P-Cost:2
OUT:42
END:78
STAB:83
Logic: Digital 3.3V
Power: 5V
Number Glow
USBPower-5V

USB Power 5V

Power

Basic 5V power for small builds.

P-Capacity:3
OUT:30
END:70
STAB:90
Power: 5V
Small Start
AMS1117-3V3

AMS1117 3.3V Reg

Power

Regulates 5V to 3.3V for logic modules.

P-Capacity:3
OUT:32
END:72
STAB:88
Logic: 3.3V
Power: 5V Input
Clean Drop
LiIon-18650

18650 Li-ion Cell

Power

Rechargeable battery for medium builds.

P-Capacity:5
OUT:42
END:82
STAB:85
Power: 3.7–4.2V
Long Run
XL4015-Buck

XL4015 Buck Converter

Power

High-current adjustable power supply for motors.

P-Capacity:10
OUT:60
END:85
STAB:90
Power: 5–12V Adjustable
Power Beast
1CH-RELAY

1-Channel Relay

Support

Controls high-voltage loads safely.

IN:
◐
OUT:
⚡
P-Cost:2
OUT:40
END:75
STAB:70
Power: 5V
High Isolation
2CH-RELAY

2-Channel Relay

Support

Dual relay switching for appliances and loads.

IN:
◐◐
OUT:
⚡⚡
P-Cost:2
OUT:55
END:80
STAB:72
Power: 5V
Dual Switch
MicroSD-TF

MicroSD Card Module

Support

Stores data and readings for logging.

IN:
◇
OUT:
❱
P-Cost:2
OUT:50
END:68
STAB:76
Logic: 3.3V
Power: 3.3–5V
Data Logging
MCP79412-RTC

MCP79412 RTC

Support

Accurate real-time clock for timestamps.

IN:
◇
OUT:
◇
P-Cost:1
OUT:38
END:90
STAB:88
Logic: 3.3V
Accurate Time
PCF8563-RTC

PCF8563 RTC

Support

Low-power clock for timekeeping.

IN:
◇
OUT:
◇
P-Cost:1
OUT:40
END:88
STAB:86
Logic: 3.3V
Low Power Clock
WS2812-RGB

WS2812B RGB Ring

Support

Programmable RGB lighting effects.

IN:
◁
OUT:
✦
P-Cost:3
OUT:78
END:55
STAB:72
Logic: Digital
Power: 5V
Color Effects
Button-1P

Push Button Module

Support

Simple digital trigger input.

OUT:
▷
P-Cost:1
OUT:30
END:70
STAB:85
Logic: 3.3–5V
Simple Trigger
H2 + SHT45 + OLED

Weather Station

Device

Reads and displays real-time temperature and humidity.

P-Cost:5
OUT:72
END:80
STAB:88
Climate Monitor
C6 + GS1003 + OLED

RS485 Env Monitor

Device

Industrial RS485 temperature and humidity display.

P-Cost:5
OUT:75
END:82
STAB:85
Industrial Read
C3 + CAP1203 + SG90

Smart Door Lock

Device

Touch-based unlocking using servo.

P-Cost:6
OUT:74
END:70
STAB:80
Safe & Smart
C6 + TB6612 + 2×N20 + CAP1203 + Switch

Robot 2WD

Device

Dual-motor robot with driver and touch control.

P-Cost:17
OUT:86
END:72
STAB:78
Twin-Drive Bot
S3 + TB6612 + 775 Motor + Switch

Torque 775 Unit

Device

High-power 775 motor control unit.

P-Cost:14
OUT:95
END:70
STAB:72
Heavy Lift
S3 + SHT35 + MicroSD

Data Logger

Device

Logs climate data with timestamps.

P-Cost:5
OUT:68
END:78
STAB:85
Memory Keeper
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◆A REAL PHYSICAL CARD GAME — This is the digital preview.