Atom fan controller
About the Atom fan controller PCB
Atom fan controller is an open source RP2040/RP2350 PCB design by kelvie, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 30.5 × 25.4 mm, with 6 components from 5 distinct parts.
Its main chip is the ESP32-PICO-V3, from the RP2040/RP2350 family. By type, the board carries 2 connectors, 2 resistors, 1 IC and 1 transistor.
From the project
Random kicad experiments
Main components on the Atom fan controller
Atom fan controller bill of materials (BOM)
6 components, 5 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-PICO-V3 | QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm | U1 |
| 1 | BSS138 | SOT-23 | Q1 |
| 1 | Conn_01x04 | FanPinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | Conn_01x02_Female | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J2 |
| 2 | 10K | R_0201_0603Metric | R1, R2 |
Atom fan controller design files
The KiCad project lives in the kelvie/kicads repository on GitHub; these links point at the commit this page was built from.
Atom fan controller: common questions
What microcontroller does the Atom fan controller use?
The Atom fan controller is built around the ESP32-PICO-V3, from the RP2040/RP2350 family.
How big is the Atom fan controller PCB?
The Atom fan controller measures 30.5 × 25.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Atom fan controller?
6 components, from 5 distinct parts. The full bill of materials is listed on this page.
Where can I download the Atom fan controller design files?
From the kelvie/kicads repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Atom fan controller design in my own project?
Yes, under the terms of its Apache-2.0 license, which kelvie chose for the repository.
Can I test firmware for the Atom fan controller without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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