Component Explorer v1.1

Interactive reference for sensors, actuators, and display modules.

①
②
Not connected
🌡️
Temperature / Humidity 1-Wire
Dht11
Low-cost digital temp & humidity sensor with single-wire serial output.
0–50 °C·±2 °C·20–90% RH
Open
🧲
Magnetic Field Digital GPIO
Hall Effect
Detects the presence and polarity of a magnetic field.
Digital out·3.3–5 V·Switch type
Open
❤️
Biometric / PPG I²C
Heart Rate
Optical pulse oximetry sensor for heart rate and blood oxygen.
MAX30102·PPG + SpO₂·18-bit ADC
Open
📐
Motion / Orientation I²C / SPI
IMU
Inertial measurement unit: 3-axis accelerometer + 3-axis gyroscope.
6-DOF·±2–16 g·MPU-6050
Open
🔴
Sensor GPIO / IR
Infrared Receiver
IR receiver module that decodes remote control signals from any 38 kHz IR transmitter.
3.3-5V·38 kHz demodulator·NEC · RC5 · SIRC
Open
🕹️
Analog Input Analog + GPIO
Joystick
Dual-axis potentiometer joystick with integrated push button.
X + Y axes·Push switch·0–5 V
Open
☀️
Ambient Light Analog
LDR
Photoresistor whose resistance falls proportionally with light intensity.
1–10 kΩ·Visible spectrum·GL5528
Open
🔘
Digital Input Digital GPIO
Push Button
Momentary tactile switch for binary user input.
Momentary NO·3.3–5 V·Debounce req.
Open
📟
RFID / NFC SPI
RFID
Reads and writes MIFARE RFID / NFC cards and key fobs.
13.56 MHz·MFRC522·ISO 14443A
Open
🎛️
Rotation / Position Quadrature
Rotary Encoder
Tracks incremental shaft rotation direction and position.
20 PPR·360°·A/B/SW
Open
🕐
Real-Time Clock I²C
RTC
Temperature-compensated precision RTC with non-volatile timekeeping.
DS3231·±2 ppm·Battery backup
Open
💨
Air Quality / Gas Analog + Digital
Smoke & Gas Sensor
Metal-oxide sensor for combustible gases and smoke detection.
MQ-2·LPG / CO / Smoke·Warmup 20 s
Open
🌱
Moisture Analog + Digital
Soil Moisture
Measures soil water content via resistive conductivity.
Resistive·3.3–5 V·0–1023 ADC
Open
👆
Capacitive Touch Digital GPIO
Touch Sensor
Capacitive touch detection — triggers reliably on finger proximity.
TTP223·3.3–5 V·~60 ms response
Open
📡
Distance GPIO Trigger
Ultrasonic
Measures distance by timing reflected ultrasonic pulses.
2 cm–4 m·±3 mm·40 kHz
Open