
Bosch BME280 combined temperature, humidity, and barometric pressure sensor. Supports I2C (address 0x76 or 0x77 via SDO) and SPI interfaces. IC supply range is 1.71–3.6V for VDD and 1.2–3.6V for VDDIO; use 3.3V logic with ESP32.
3.3V power supply for typical breakout use; BME280 IC VDD range is 1.71–3.6V
Ground
I2C data line (shared bus with SSD1306)
I2C clock line (shared bus with SSD1306)
I2C address select: LOW = 0x76, HIGH = 0x77
| Pin |
|---|
I2C · SPI · 3.3
Confirm the data interface matches your host board.
Module pins: VCC, GND, SDA, SCL. Schematik maps them to your board in the app.
MQ-2 Gas Sensor visual preview
MQ-3 Gas Sensor visual preview
MQ-135 Gas Sensor visual preview
Grove - Air quality sensor visual previewChoose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.
Sensors · Gas & air-quality sensors · 29 parts
Gravity: DHT11 Temperature & Humidity Sensor For Arduino visual preview
MIKROE DHT22 2 Click visual preview
MIKROE DHT22 Click visual preview
DHT20 - AHT20 Pin Module - I2C Temperature and Humidity Sensor visual previewDHT11, DHT22/AM2302, and DHT20/AHT20 sensors solve the same broad job, but only some are acceptable substitutes in the same circuit.
Sensors · Environment sensors · 19 parts
Gravity: DHT11 Temperature & Humidity Sensor For Arduino visual preview
Fermion: ENS160+BME280 Environmental Sensor - TVOC, eCO2, Temp & Humidity (Breakout) visual preview
MIKROE DHT22 2 Click visual preview
MIKROE DHT22 Click visual previewChoose between temperature-only, temperature/humidity, pressure and indoor air-quality modules without treating every environmental sensor as a drop-in substitute.
Sensors · Environment sensors · 8 parts
Photo cell (CdS photoresistor) visual preview
TCS3200 Color Sensor visual preview
Adafruit APDS9999 Proximity, Lux Light & Color Sensor visual preview
Adafruit AS7341 10-Channel Light / Color Sensor Breakout visual previewPhotoresistors and color sensors both respond to light, but they expose very different signals and are not sensible drop-in substitutes.
Sensors · Light & color sensors · 6 parts
| Position |
|---|
| Type |
|---|
| Function |
|---|
| Voltage |
|---|
| VCC | power | 3.3V power supply for typical breakout use; BME280 IC VDD range is 1.71–3.6V | 3.3 | |
| GND | ground | Ground | ||
| SDA | i2c | I2C data line (shared bus with SSD1306) | ||
| SCL | i2c | I2C clock line (shared bus with SSD1306) | ||
| SDO | digital | I2C address select: LOW = 0x76, HIGH = 0x77 |