Kiisu smol
About the Kiisu smol PCB
Kiisu smol is an open source PCB design by kiisu-io, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 34 × 34 mm, with 8 components from 7 distinct parts.
Other key parts include the KiisuMiniV1 and MCP73831T-2ACI/OT. By type, the board carries 2 ICs, 2 connectors, 2 capacitors, 1 battery holder and 1 resistor.
It belongs with the dev boards & breakouts, rf & radio and iot & wireless designs in this gallery.
From the project
Hardware design files, schematics, and 3D models for KIISU SMOL — modular networking development board
Hardware design files, schematics, and 3D models for KIISU SMOL — a modular networking development board built around the STM32WB55 with Flipper Zero firmware compatibility and pluggable expansion modules for Wi-Fi, GPS, LoRa (Meshtastic), NFC and RFID.
KIISU SMOL is currently crowdfunding. Back the campaign and get yours:
- Main MCU: STM32WB55RGV / STM32WB55VGY (Cortex-M4, 64 MHz, 1 MB flash, 256 KB RAM) - Sub-GHz: CC1101 (300–348 / 387–464 / 779–928 MHz) - NFC: ST25R3916 (13.56 MHz, ISO14443 / ISO15693) - RFID: 125–132 kHz - Bluetooth: built-in with antenna - IR: receiver and transmitter…
Main components on the Kiisu smol
Kiisu smol bill of materials (BOM)
8 components, 7 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | KiisuMiniV1 | KiisuMiniV1 | U1 |
| 1 | MCP73831T-2ACI/OT | SOT-23-5 | U2 |
| 1 | Conn_01x02_Pin | JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal | J104 |
| 1 | Conn_01x02_Pin | JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal | J105 |
| 1 | MY-2032-12 | CR2032-3 | BT1 |
| 2 | 10uF | C_0603_1608Metric | C1, C2 |
| 1 | 56k 1206 | R_1206_3216Metric | R2 |
Kiisu smol design files
The KiCad project lives in the kiisu-io/kiisu-smol repository on GitHub; these links point at the commit this page was built from.
Kiisu smol: common questions
How big is the Kiisu smol PCB?
The Kiisu smol measures 34 × 34 mm, has 2 copper layers and is 0.8 mm thick.
How many components are on the Kiisu smol?
8 components, from 7 distinct parts. The full bill of materials is listed on this page.
Where can I download the Kiisu smol design files?
From the kiisu-io/kiisu-smol repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Kiisu smol design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which kiisu-io chose for the repository.
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