BH1750 लाइट सेंसर (GY-302) पिनआउट

पिन

VCC (3.3–5V)
GND
SCL / SDA (I2C)
ADDR (address select: LOW/floating = 0x23, HIGH = 0x5C)
Reads illuminance directly in lux (1–65535 lx), no calibration needed

विनिर्देश

Board supply	3.3–5 V (onboard regulator)
Chip supply	2.4–3.6 V
इंटरफ़ेस	I2C, up to 400 kHz
I2C address	0x23 (0x5C with ADDR HIGH)
Measuring range	1–65535 lx
Resolution	1 lx (H-mode), 0.5 lx (H-mode 2), 4 lx (L-mode)
Measurement time	120 ms (H-mode), 16 ms (L-mode) typical
Spectral response	Close to the human eye (peak ≈560 nm)
Supply current	120 µA typical, 0.01 µA power-down

और पिनआउट

HC-SR04 अल्ट्रासोनिक दूरी सेंसर (4-पिन)सप्लाई वोल्टेज: 5 V DC; Working current: 15 mA; लॉजिक लेवल: 5 V (TRIG and ECHO)
DHT11 / DHT22 तापमान और आर्द्रता सेंसर (4-पिन)सप्लाई वोल्टेज: DHT11: 3–5.5 V; DHT22: 3.3–6 V; इंटरफ़ेस: Single-wire digital (proprietary, not 1-Wire); Pull-up on DATA: 4.7–10 kΩ to VCC
PIR मोशन सेंसर (HC-SR501, 3-पिन)सप्लाई वोल्टेज: 4.5–20 V DC (5 V typical, onboard 3.3 V regulator); Quiescent current: < 50 µA; Output level: 3.3 V HIGH / 0 V LOW
हॉल इफ़ेक्ट सेंसर मॉड्यूल (KY-003, A3144, 3-पिन)Sensor IC: A3144 unipolar Hall-effect switch; सप्लाई वोल्टेज: 4.5–24 V (A3144 rating; 5 V typical); Supply current: ≈4.4 mA typical (chip)
DS18B20 तापमान सेंसर (1-Wire, TO-92)सप्लाई वोल्टेज: 3.0–5.5 V (or parasite power from DQ); इंटरफ़ेस: 1-Wire, unique 64-bit ROM code per sensor; Pull-up on DQ: 4.7 kΩ to VDD
MPU6050 एक्सेलेरोमीटर/जायरो मॉड्यूल (GY-521, I2C)Board supply: 3.3–5 V (onboard 3.3 V regulator); Chip supply: 2.375–3.46 V; इंटरफ़ेस: I2C, up to 400 kHz
रोटरी एनकोडर मॉड्यूल (KY-040, 5-पिन)सप्लाई वोल्टेज: 3.3–5 V; आउटपुट: 2-channel quadrature (CLK, DT); पुल-अप रेज़िस्टर: 10 kΩ on CLK and DT; none on SW
BMP280 / BME280 बैरोमेट्रिक मॉड्यूल (GY-BMP280, I2C/SPI)Board supply: GY-BMP280-3.3: 3.3 V only; boards with LDO: 3.3–5 V; Chip supply: 1.71–3.6 V; इंटरफ़ेस: I2C (up to 3.4 MHz) or SPI (up to 10 MHz)