Kiisu V4A development board

V4A board are sold out! Please buy improved version V4B here: Kiisu V4b

Multipurpose development board in size of credit card with Flipper Zero compatibility.

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
• Digital ranger VL53xxx can be installed by user

Power:

• LIR2032 rechargeable
• Primary via USB Type C