This ultra compact indoor/outdoor/temperature/humidity sensor module comes in a very small footprint (22x22mm) with Arduino™ Nicla form factor and connections. The board is powered from an external 5V or 3V source respectively. Output data is issued via an I2C slave connection to the controlling host processor, or alternatively via SPI, or serial port. Alternative board population allows direct connection with a PMOD connector (I2C only) or via a wired connection using the VESLOV™ connector in the Arduino user space. The side connectors on the board allow direct soldering of the board on a host PCB, or via pins to the Arduino™ Nicla board.

System Benefits:

  • Ultra-compact sensor module (22x22mm), with integrated cross sensor compensation
  • Dual power input (5V-3V)
  • Multiple data out interface capabilities (PMOD, VESLOV™, SPI, I2C, serial, Direct)




  • Heat pump and air conditioning (HVAC) systems
  • Weather station
  • Industrial automation equipment
  • Building automation equipment

Winning Combinations Interactive Diagram

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4:3 ratio Sheet.1 Sheet.2 Sheet.3 Sheet.4 EU134 EU134 EU134 LDO LDO LDO Indoor Indoor Indoor Outdoor Outdoor Outdoor Temp & Humidity Sensor Temp & Humidity Sensor Temp & Humidity Sensor PMOD I/F PMOD I/F PMOD I/F J-Link J-Link J-Link Board Connector Board Connector Board Connector RGB LED RGB LED RGB LED Diode LED Red Sheet.30 Sheet.31 Sheet.32 Sheet.33 Darlington.651 Sheet.35 Darlington.254 Sheet.37 Sheet.38 Diode LED Green Sheet.40 Sheet.41 Sheet.42 Sheet.43 Darlington.651 Sheet.45 Darlington.254 Sheet.47 Sheet.48 Diode LED Blue Sheet.50 Sheet.51 Sheet.52 Sheet.53 Darlington.651 Sheet.55 Darlington.254 Sheet.57 Sheet.58 Resistor - Fixed Resistor - Fixed.60 Resistor - Fixed.61 Resistor - Fixed.62 Resistor - Fixed.63 Switch Sheet.72 Sheet.73 Negative Power Rail Line.758 Line.759 5V in 5V in 5V in IN IN IN OUT OUT OUT ON ON ON 3V 10mAmax 3V 10mAmax 3V10mAmax 2 2 2 2 Sheet.90 2 2 2 2 Sheet.93 4 4 4 4 Sheet.96 2 2 2 2 Sheet.99 4 4 4 4 Sheet.102 2 2 2 2 Sheet.105 2 2 2 2 Sheet.108 3V in 3V in 3V in Sheet.110 Sheet.111 Sheet.112 Sheet.113 Sheet.117 Sheet.119 Sheet.120 Sheet.121 Sheet.122 Sheet.129 Sheet.130 Connector 1.165 Connector 1.165.133 Connector 1.165.134 Sheet.135 Sheet.136 Diode - LED Sheet.138 Sheet.139 Sheet.140 Sheet.141 Sheet.142 Darlington.651 Sheet.144 Darlington.254 LED LED LED Sheet.147 Connector 1.165.148 Sheet.149 Connector 1.150 Sheet.153 Connector 1.154 Sheet.155 Sheet.156 Connector 1.165.157 Connector 1.165.158 Connector 1.165.159 Negative Power Rail.160 Line.758 Line.759 Sheet.166 Sheet.167 Sheet.168 Sheet.169 Sheet.170 Sheet.171 Sheet.172 Sheet.173 Connector 1.165.174 Sheet.175 Connector 1.165.176 Negative Power Rail.177 Line.758 Line.759 Connector 1.165.180 Connector 1.165.181 MCU RA2E1 MCU MCU I2C Host I2C Host I2C Host I2C Slave I2C Slave I2C Slave DEBUG DEBUG DEBUG GPIO GPIO GPIO GPIO GPIO GPIO GPIO GPIO GPIO RESET RESET RESET GPIO GPIO GPIO GPIO/INT GPIO/INT GPIO/INT SPI SPI SPI Analog Analog Analog UART UART UART Vcc Vcc Vcc
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