Description
KIISU is a compact development board for authorised security assessments, device research and security education. It supports work with RFID, NFC, infrared, Sub-GHz, Bluetooth and iButton technologies, while its GPIO interface supports compatible hardware development and testing.
Key features
- Credit-card-sized KIISU V4BR board from KIISU
- Flipper Zero firmware compatibility, including KIISU firmware adapted for the board
- 125 kHz RFID reader and emulator
- NFC hardware with an integrated antenna
- Sub-GHz CC1101 transceiver with an internal 433 MHz antenna and an external antenna footprint
- Infrared receiver and transmitter
- Bluetooth Low Energy connectivity
- iButton support
- GPIO pins with a Flipper Zero-compatible pin layout
- On-board accelerometer, compass, ambient-light and temperature or humidity sensing
- 128 × 64 SPI OLED display
- MicroSD slot for databases, logs and user files
- USB-C connector
Technical details
- Main MCU: STM32WB55RGV6
- Auxiliary MCU: STM32G431
- NFC reader: ST25R3916
- Sub-GHz transceiver: CC1101
- Power cell: LIR2032 rechargeable coin cell
- Use only LIR2032 rechargeable cells. Do not use CR2032 disposable cells.
Compatibility and setup
The board can run KIISU firmware and most Flipper Zero firmware and applications. A microSD card is required for the documented KIISU firmware setup, and the manufacturer recommends a 2 to 32 GB card formatted as FAT32. A data-capable USB-C cable and computer are also recommended. Firmware and applications may vary in compatibility between releases.
Buying in the UK and EU
RedKit Labs lists KIISU for UK and EU security professionals, researchers and students, with prices shown in GBP, EUR or USD and VAT handled at checkout. Transmitting radio signals is regulated by national radio rules and licence-exempt band limits, so UK and EU users should check applicable requirements. Receiving and analysing signals is the common lawful use, and all testing must be authorised.
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