Gravity: Digital I2C Signal Isolator - digital I2C signal isolator

Expansion board for micro:bit modules with connectors compatible with Boson and Gravity sets. DFRobot DFR0521

Module with a button, LED diode and a white cap. DFRobot DFR0029-W

Module with an oxygen concentration sensor in the environment. It allows you to measure the volume of oxygen in the range from 0 to 100%. It communicates via the I2C interface. DFRobot SEN0496

BME280 integrates onboard temperature sensor, humidity sensor and barometer. It provides both SPI and I2C interfaces; and can be widely used in environmental monitoring, story height measurement and Internet of Things (IoT) control and so on. SEN0236

Gravity: Analog Sound Sensor is a sound sensor with Gravity analogue output. The module can be supplied with 3.3 ... 5V voltage. DFRobot DFR0034

Clock & Timer Development Tools Gravity I2C SD2405 RTC. DFR0469

Gravity: Digital Crash sensor is a microswitch module (left) often called a limit switch. The module is powered by 5V voltage and has a digital two-state output. DFRobot SEN0138-L

Module with MOSFET and a Gravity connector. It allows you to easily connect and control the voltage from 5V to 30V and the current up to 2.5A. DFRobot DFR0643

Module with temperature and humidity sensor DHT11. It allows you to measure humidity in the range of 20 ... 90% and temperature (0 ... 50 ° C). DFRobot DFR0067

The module with the EEPROM 24LC256 memory chip with a capacity of 32 kB. It is supplied with the voltage ranging from 2.5 V to 5.5 V and communicates via the I2C interface (Gravity connector). DFRobot DFR0117

Analog pH Meter Pro (SEN0169)