The Pico-RTC-DS3231 is an RTC expansion module specialized for Raspberry Pi Pico. It incorporates high precision RTC chip DS3231 and uses an I2C bus for communication. More external sensors are allowed to be connected thanks to the stackable design.   DS3231 Information The DS3231 is…

In this article we connect a MLX90393 magnetometer to a Raspberry Pi Pico running Circuitpython Sensor Information The MLX90393 magnetic field sensor IC can be reprogrammed to different modes and with different settings at run-time. The sensor IC offers a 16-bit output proportional to the…

In this article we connect a BMP280 barometric pressure sensor to a Raspberry Pi Pico running Circuitpython Sensor Information The BMP280 is an absolute barometric pressure sensor, which is especially feasible for mobile applications. Its small dimensions and its low power consumption allow for the…

In this article we connect a LIS3MDL three-axis magnetic sensor.to a Raspberry Pi Pico running Circuitpython Sensor Information The LIS3MDL is an ultra-low-power high-performance three-axis magnetic sensor. The LIS3MDL has user-selectable full scales of ±4/±8/±12/±16 gauss. The self-test capability allows the user to check the…

In this article we connect a MMA8451Q accelerometer to a Raspberry Pi Pico running Circuitpython Sensor Information The MMA8451Q is a smart, low-power, three-axis, capacitive, micromachined accelerometer with 14 bits of resolution. This accelerometer is packed with embedded functions with flexible user programmable options, configurable…

In this article we connect a SHT31 humidity sensor to a Raspberry Pi Pico running Circuitpython Sensor Information The digital SHT3x humidity sensor series takes sensor technology to a new level. As the successor of the SHT2x series it sets the industry standard in humidity…

In this article we connect a BMP388 barometric pressure sensor to a Raspberry Pi Pico running Circuitpython Sensor Information The BMP388 is a very small, precise, low power, low noise absolute barometric pressure sensor. It enables accurate altitude tracking and is perfectly suited for drone…

In this article we connect a BME680 gas sensor to a Raspberry Pi Pico running Circuitpython Sensor Information The BME680 is a gas sensor that integrates high-linearity and high-accuracy gas, pressure, humidity and temperature sensors. It is especially developed for mobile applications and wearables where…

In this article we connect a MCP9808 digital temperature sensor to a Raspberry Pi Pico running Circuitpython Sensor Information The MCP9808 digital temperature sensor converts temperatures between -40°C and +125°C to a digital word with ±0.5°C (max.) accuracy. The MCP9808 comes with user-programmable registers that…

In this example we connect a PIR module up to our Raspberry PI Pico, this is quite a simple module to connect as it requires only 3v3, Gnd and the output is ok to connect to a Pico  and does not require any level shifting.…