Arduino UNO R4 Wi-Fi ABX00087 E-887 Same form factor as UNO R3 Inbuilt Wi-Fi and Bluetooth Onboard 12×8 LED Matrix Extra onboard peripherals Inbuilt HID Support Expanded Memory and Faster Clock Speed than before

STM32F446ZET6, Nucleo-144, 32bit, ARM Cortex-M4F Development Board E-919 3 user LEDs, 2 user and reset push-buttons 32.768KHz crystal oscillator Ethernet compliant with IEEE-802.3-2002 USB with Micro-AB or USB Type-C®, Ethernet RJ45 board connection  

MSP-EXP430FR4133 - MSP430FR4133 LaunchPad Development Kit E-980 MSP430 ULP MSP430FR4133 MCU 16KB FRAM 16-bit RISC architecture up to 8-MHz FRAM access/ 16-MHz system clock speed 3 x timer blocks 10 channel 10-bit ADC 8 x 32 segment LCD driver with integrated charge pump and configurable pins EnergyTrace technology available for ultra-low-power debugging 20 pin LaunchPad standard leveraging the BoosterPack ecosystem Onboard eZ-FET emulation 2 buttons and 2 LEDs for user interaction Low-power alphanumeric segmented LCD  

SCD41 Gas Sensor Module CO2 Carbon Dioxide Temperature and Humidity Gas Sensor Module I2C E-995 Sensor: SCD41 CO2 measurement accuracy: ± (40 ppm + 5 % MV) Voltage range: 2.4-5.5 V Low power consumption operation, average <0.4 mA at 5 V, 1 measurement/5 minutes Measuring range: 400-5000 ppm Measuring range of the relative humidity: 0-95 % RH Typical relative humidity accuracy: 6 % RH Temperature range: -10 °C - 60 °C Temperature accuracy: 15 °C - 35 °C: ± 0.8 °C -10 °C - 60 °C: ± 1.5 °C Communication: I2C Size: 22 x 14 x 8 mm / 0.86 x 0.55 x 0.86 inch Interface definition: GND: Negative input VDD: Positive input SCL: I2C clock SDA: I2C data line