Weather Station

Compact environmental sensor combining temperature, humidity, and barometric pressure.

Barometric pressure and temperature sensor used for altitude and weather projects.

Environmental sensor with gas resistance measurement for indoor air quality experiments.

Accurate I2C temperature and humidity sensor widely used in weather stations and environmental nodes.

1-Wire digital temperature sensor commonly used in waterproof probes and outdoor monitoring.

CO2, temperature, and humidity module used for higher-quality indoor air monitoring.

Digital humidity and temperature sensor used in more accurate environmental monitoring modules.

VOC and equivalent CO2 air quality sensor for indoor air quality trend detection.

Popular Chinese I2C temperature and humidity sensor used as a low-cost SHT-series alternative.

Higher-range AM2302 temperature and humidity sensor used where DHT11 accuracy is insufficient.

NDIR CO2 sensor module commonly used in indoor air quality projects.

Low-cost digital temperature and humidity sensor module used in beginner Arduino projects.

Infrared temperature sensor used for non-contact temperature measurement projects.

High-resolution barometric pressure sensor used in altimeters and flight controller boards.

Laser particulate matter sensor module used for PM1.0, PM2.5, and PM10 air quality monitoring.

I2C temperature and humidity sensor commonly sold as a compact low-cost breakout.

Optical dust sensor used in low-cost particulate matter and air quality experiments.

Low-cost gas sensor module often marketed for air quality experiments.

Common analog temperature sensing element used in 3D printers, battery packs, and simple measurement circuits.

Very common monochrome OLED display controller used in 0.96-inch I2C and SPI modules.

I2C LED matrix and segment driver used in backpack display modules.

OLED controller common in 1.3-inch monochrome displays and SSD1306-like modules.

E-paper display controller found in low-power SPI e-ink modules.

Capacitive touch controller commonly paired with small TFT display modules.

E-paper display controller used in small low-power black-and-white e-ink modules.

Classic dual-core Wi-Fi and Bluetooth MCU that remains one of the most searched and widely supported maker wireless chips.

Dual-core Wi-Fi and Bluetooth LE MCU with vector instructions, native USB, camera, and display interfaces for AIoT devices.

Single-core RISC-V Wi-Fi and Bluetooth LE MCU used for compact, low-cost IoT devices and ESP8266 replacement designs.

Legacy but extremely popular Wi-Fi MCU with huge maker search volume and broad Arduino support.

RISC-V Wi-Fi 6, Bluetooth LE, Zigbee, and Thread MCU aimed at Matter-ready smart home devices.