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iot-monitor

Embedded Rust sensor monitoring for no_std environments and WASM edge targets. Reads from GPIO, I2C, SPI interfaces via embedded-hal traits, processes readings with zero-allocation algorithms, and publishes alerts to Telegram or MQTT without heap allocation. Designed for microcontrollers (STM32, RP2040) and Cloudflare Workers edge runtime. Cross-ported from PicoClaw's Go iot-monitor for Rust/embedded-hal ecosystem.

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Overview

Install command

npx skills add https://github.com/mk-knight23/AI-Agent-ZeroClaw --skill iot-monitor

Copy and paste this command into Claude Code to install the skill

Source

mk-knight23/AI-Agent-ZeroClaw

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UpdatedMarch 10, 2026 at 00:14

SKILL.md

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name

iot-monitor

description

iot-monitor

Embedded Rust sensor monitoring — no_std compatible, zero-allocation, WASM-ready.

Usage

@ZeroClaw iot-monitor --target rp2040 --sensor bme280 --i2c-addr 0x76
@ZeroClaw iot-monitor --target stm32f4 --sensor thermocouple --spi-cs PA4
@ZeroClaw iot-monitor --target cloudflare-worker --endpoint sensors.example.com
@ZeroClaw iot-monitor --compile-check    # Verify no_std compatibility without flashing

Embedded vs. Edge Modes

Mode	Target	Runtime	Heap
`embedded`	STM32, RP2040	bare metal / RTOS	no_std, no heap
`linux-edge`	RPi, LicheeRV	Linux	std, minimal
`wasm-edge`	Cloudflare Worker, Deno	WASM	std, restricted

Supported Sensors (embedded-hal drivers)

Sensor	Interface	Measurement
BME280	I2C / SPI	Temp, humidity, pressure
ADS1115	I2C	4-channel 16-bit ADC
DS18B20	1-Wire	Temperature (-55°C to +125°C)
MAX31865	SPI	PT100/PT1000 RTD thermocouple
HC-SR04	GPIO	Ultrasonic distance

Generated Code (no_std, zero-allocation)

// Generated monitor — works on RP2040 with 264KB RAM
#![no_std]
#![no_main]

use embedded_hal::i2c::I2c;
use bme280::Bme280;

fn check_temp<I: I2c>(i2c: I, threshold: f32) -> Result<Alert, SensorError> {
    let mut sensor = Bme280::new_primary(i2c);
    let reading = sensor.measure()?;
    if reading.temperature > threshold {
        Ok(Alert::High { value: reading.temperature })
    } else {
        Ok(Alert::Normal)
    }
}

Alert Delivery (zero-copy)

For embedded targets, alerts are sent via:

UART serial to a connected PicoClaw (which forwards to Telegram)
MQTT over lwIP stack (embassy-net)
Direct HTTP via embedded-tls (WASM edge)

Files Created

src/monitors/<sensor>_monitor.rs    # Generated monitor module
config/sensors.toml                  # Sensor config + thresholds
MONITOR_SETUP.md                     # Wiring guide + flash instructions

Philosophy

ZeroClaw goes where PicoClaw can't — into microcontrollers with <300KB RAM. No OS. No heap. Just direct metal access with Rust's safety guarantees. The firmware that never crashes.

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Source

mk-knight23

mk-knight23/AI-Agent-ZeroClaw

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name

iot-monitor

description

iot-monitor

Embedded Rust sensor monitoring — no_std compatible, zero-allocation, WASM-ready.

Usage

@ZeroClaw iot-monitor --target rp2040 --sensor bme280 --i2c-addr 0x76
@ZeroClaw iot-monitor --target stm32f4 --sensor thermocouple --spi-cs PA4
@ZeroClaw iot-monitor --target cloudflare-worker --endpoint sensors.example.com
@ZeroClaw iot-monitor --compile-check    # Verify no_std compatibility without flashing

Embedded vs. Edge Modes

Mode	Target	Runtime	Heap
`embedded`	STM32, RP2040	bare metal / RTOS	no_std, no heap
`linux-edge`	RPi, LicheeRV	Linux	std, minimal
`wasm-edge`	Cloudflare Worker, Deno	WASM	std, restricted

Supported Sensors (embedded-hal drivers)

Sensor	Interface	Measurement
BME280	I2C / SPI	Temp, humidity, pressure
ADS1115	I2C	4-channel 16-bit ADC
DS18B20	1-Wire	Temperature (-55°C to +125°C)
MAX31865	SPI	PT100/PT1000 RTD thermocouple
HC-SR04	GPIO	Ultrasonic distance

Generated Code (no_std, zero-allocation)

// Generated monitor — works on RP2040 with 264KB RAM
#![no_std]
#![no_main]

use embedded_hal::i2c::I2c;
use bme280::Bme280;

fn check_temp<I: I2c>(i2c: I, threshold: f32) -> Result<Alert, SensorError> {
    let mut sensor = Bme280::new_primary(i2c);
    let reading = sensor.measure()?;
    if reading.temperature > threshold {
        Ok(Alert::High { value: reading.temperature })
    } else {
        Ok(Alert::Normal)
    }
}

Alert Delivery (zero-copy)

For embedded targets, alerts are sent via:

UART serial to a connected PicoClaw (which forwards to Telegram)
MQTT over lwIP stack (embassy-net)
Direct HTTP via embedded-tls (WASM edge)

Files Created

src/monitors/<sensor>_monitor.rs    # Generated monitor module
config/sensors.toml                  # Sensor config + thresholds
MONITOR_SETUP.md                     # Wiring guide + flash instructions

Philosophy

ZeroClaw goes where PicoClaw can't — into microcontrollers with <300KB RAM. No OS. No heap. Just direct metal access with Rust's safety guarantees. The firmware that never crashes.