Kiisu V4B Development Board

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Credit card sized multipurpose IoT development board that is compatible with Flipper Zero firmware(s).

Interfaces:

• SubGhz transceiver CC1101 with ability to install external antenna
• NFC reader and emulator ST25R3916, built-in antenna
• RFID reader and emulator, built-in antenna
• Infrared receiver and transmitter
• GPIO, pin compatible with Flipper Zero
• Bluetooth Low Energy
• USB Type C

Cores:

• Main MCU STM32WB55RGV6 up to 80 MHz
• Aux MCU STM32G431CBU6 up to 170 MHz

Sensors:

• Digital accelerometer and compass LSM303AGR
• Temperature and humidity sensor GXHTC3C
• Ambient light sensor
• Gas sensor measuring relative humidity, barometric pressure, ambient temperature and gas (VOC) BME680 can be installed by user
  

Power:

• LIR2032 rechargeable
• Primary via USB Type C