slvDev
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esp32-ai
A 28.9 million parameter language model runs on an $8 ESP32-S3 microcontroller entirely on-device, generating simple stories at about 9.5 tokens per second.
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FR-AI / ANALYSISWhy it is worth attention
It solves a common problem on ASUS AMD laptops that lack ACPI-based fan control by implementing its own protocol over private I/O ports, without requiring kernel modules or firmware methods.
Who it is for
- Owners of ASUS AMD laptops affected by the AE_NOT_FOUND ACPI error
- Linux users who want manual fan control or custom fan curves
- Developers or power users interested in low-level EC communication
- System administrators managing fan control on compatible ASUS hardware
Use cases
- Manually setting fan duty to a fixed percentage or raw value
- Running a temperature-based fan curve defined in a config file
- Validating compatibility on an untested device before writing fan settings
- Deploying as a systemd service for automatic fan control
Strengths
- No kernel module or ACPI dependency required – works purely in user space via /dev/mem and I/O ports
- Includes a safe validation command (fan-info) that verifies communication without changing fan state
- Supports both manual duty control and configurable automatic curves with hysteresis and panic temperature
- Tested and explicitly confirmed on two ASUS TUF Gaming A15 models with known EC versions
Considerations
- Only officially tested on two specific ASUS models; other devices may not work or may risk damage
- Requires root privileges and access to /dev/mem (may need iomem=relaxed kernel parameter)
- Writing incorrect register values can permanently damage the embedded controller or overheat the laptop
README quick start
Quick start
Description
Fan control for ASUS devices on Linux using the embedded controller directly.
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