Requirements
- Target platform
- OpenClaw
- Install method
- Manual import
- Extraction
- Extract archive
- Prerequisites
- OpenClaw
- Primary doc
- SKILL.md
Tencent SkillHub · Developer Tools
ESP32
Avoid common ESP32 mistakes — GPIO conflicts, WiFi+ADC2 trap, deep sleep gotchas, and FreeRTOS pitfalls.
skill openclawclawhub Free
Avoid common ESP32 mistakes — GPIO conflicts, WiFi+ADC2 trap, deep sleep gotchas, and FreeRTOS pitfalls.
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Install for OpenClaw
Quick setup
- Download the package from Yavira.
- Extract the archive and review SKILL.md first.
- Import or place the package into your OpenClaw setup.
Package facts
- Download mode
- Yavira redirect
- Package format
- ZIP package
- Source platform
- Tencent SkillHub
- What's included
- SKILL.md
Validation
- Use the Yavira download entry.
- Review SKILL.md after the package is downloaded.
- Confirm the extracted package contains the expected setup assets.
Install with your agent
Agent handoff
Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.
- Download the package from Yavira.
- Extract it into a folder your agent can access.
- Paste one of the prompts below and point your agent at the extracted folder.
New install
I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete.
Upgrade existing
I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run.
Trust & source
Release facts
- Source
- Tencent SkillHub
- Verification
- Indexed source record
- Version
- 1.0.0
Provenance
- Publisher
- ivangdavila
- Source page
- View original listing
- Canonical URL
- Open canonical page
Documentation
GPIO Restrictions
Strapping pins boot behavior — GPIO0, GPIO2, GPIO12, GPIO15 affect boot mode GPIO6-11 connected to flash — don't use, crashes immediately GPIO34-39 input only — no output, no pullup/pulldown ADC2 unusable with WiFi active — use ADC1 (GPIOs 32-39) when WiFi enabled
Deep Sleep
Only RTC GPIOs for wakeup — GPIO0, 2, 4, 12-15, 25-27, 32-39 RTC_DATA_ATTR for persistent variables — regular RAM lost in deep sleep esp_sleep_enable_ext0_wakeup() for single pin — ext1 for multiple pins WiFi reconnect takes 1-3 seconds after wake — plan for this delay
WiFi Gotchas
Call WiFi.mode() before WiFi.begin() — mode affects behavior WiFi.setAutoReconnect(true) doesn't always work — implement reconnect in loop Event-driven with WiFi.onEvent() more reliable — don't poll WiFi.status() Static IP faster than DHCP — saves 2-5 seconds on connect
FreeRTOS
Default stack too small for printf/WiFi — use 4096+ for complex tasks Task watchdog triggers at 5s default — call vTaskDelay() or feed watchdog xTaskCreatePinnedToCore() for core affinity — WiFi on core 0, your code on core 1 delay() yields to scheduler — vTaskDelay(pdMS_TO_TICKS(ms)) in tasks
Memory
Heap fragments over time — preallocate buffers, avoid repeated malloc/free ESP.getFreeHeap() for monitoring — log periodically in long-running apps PSRAM available on some boards — heap_caps_malloc(size, MALLOC_CAP_SPIRAM) String concatenation fragments heap — use reserve() or char arrays
Peripherals
No native analogWrite() — use LEDC: ledcSetup(), ledcAttachPin(), ledcWrite() I2C needs external pullups usually — internal pullups too weak for fast speeds SPI CS pin must be managed — SPI.begin() doesn't auto-configure UART0 is Serial/USB — use UART1/2 for external devices
OTA Updates
Needs two OTA partitions — default partition scheme may have only one Check ESP.getFreeSketchSpace() — OTA fails silently if not enough space ArduinoOTA blocks during update — handle in loop, not in time-critical code
Power
Brown-out detector resets at ~2.4V — esp_brownout_disable() if using battery WiFi TX uses 300mA peaks — power supply must handle spikes Deep sleep ~10µA — but RTC peripherals add more if enabled
Category context
Code helpers, APIs, CLIs, browser automation, testing, and developer operations.
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Package contents
Included in package
1 Docs
- SKILL.md