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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<meta name="generator" content="VuePress 2.0.0-beta.38">
<style>
:root {
--c-bg: #fff;
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html.dark {
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background-color: var(--c-bg);
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</style>
<script>
const userMode = localStorage.getItem('vuepress-color-scheme');
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<title>Safety tips | Clover</title><meta name="description" content="Clover Drone Kit">
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<div id="app"><!--[--><div class="theme-container"><!--[--><header ref_key="navbar" class="navbar"><div class="toggle-sidebar-button" title="true" aria-expanded="false" role="button" tabindex="0"><div class="icon" aria-hidden="true"><span></span><span></span><span></span></div></div><span><a href="/clover-vuepress/en/" class=""><img class="logo" src="/clover-vuepress/clover-logo.png" alt="Clover"><span class="site-name can-hide">Clover</span></a></span><div class="navbar-items-wrapper" style=""><!--[--><!--]--><nav class="navbar-items can-hide"><!--[--><div class="navbar-item"><a class="external-link" href="https://coex.tech" rel="noopener noreferrer" target="_blank" aria-label="Official Site"><!--[--><!--]--> Official Site <span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" 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aria-label="Select language"><span class="title">Languages</span><span class="arrow down"></span></button><button class="navbar-dropdown-title-mobile" type="button" aria-label="Select language"><span class="title">Languages</span><span class="right arrow"></span></button><!--[--><ul style="display:none;" class="navbar-dropdown"><!--[--><li class="navbar-dropdown-item"><a aria-current="page" href="/clover-vuepress/en/safety.html" class="router-link-active router-link-exact-active router-link-active" aria-label="English"><!--[--><!--]--> English <!--[--><!--]--></a></li><li class="navbar-dropdown-item"><a href="/clover-vuepress/ru/safety.html" class="" aria-label="Русский"><!--[--><!--]--> Русский <!--[--><!--]--></a></li><!--]--></ul><!--]--></div></div><div class="navbar-item"><a class="external-link" href="https://github.com/CopterExpress/clover" rel="noopener noreferrer" target="_blank" aria-label="GitHub"><!--[--><!--]--> GitHub <span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span><!--[--><!--]--></a></div><!--]--></nav><!--[--><!--]--><ul class="sidebar-items"><!--[--><li><a href="/clover-vuepress/en/" class="sidebar-item sidebar-heading" aria-label="COEX Clover"><!--[--><!--]--> COEX Clover <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/glossary.html" class="sidebar-item sidebar-heading" aria-label="Glossary"><!--[--><!--]--> Glossary <!--[--><!--]--></a><!----></li><li><a aria-current="page" href="/clover-vuepress/en/safety.html" class="router-link-active router-link-exact-active router-link-active sidebar-item sidebar-heading active" aria-label="Safety tips"><!--[--><!--]--> Safety tips <!--[--><!--]--></a><!----></li><li><p tabindex="0" class="sidebar-item sidebar-heading collapsible">Assembly <span class="right arrow"></span></p><!--[--><ul style="display:none;" class="sidebar-item-children"><!--[--><li><a href="/clover-vuepress/en/assembly.html" class="sidebar-item" aria-label="Clover drone assembly"><!--[--><!--]--> Clover drone assembly <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/assemble_4_2.html" class="sidebar-item" aria-label="Clover 4.2 assembly"><!--[--><!--]--> Clover 4.2 assembly <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/assemble_4_2_ws.html" class="sidebar-item" aria-label="Clover 4 assembly"><!--[--><!--]--> Clover 4 assembly <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/assemble_4.html" class="sidebar-item" aria-label="Clover 4 assembly"><!--[--><!--]--> Clover 4 assembly <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/assemble_3.html" class="sidebar-item" aria-label="Assembly of Clover 3"><!--[--><!--]--> Assembly of Clover 3 <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/assemble_2.html" class="sidebar-item" aria-label="Clover 2 construction kit assembly instruction"><!--[--><!--]--> Clover 2 construction kit assembly instruction <!--[--><!--]--></a><!----></li><!--]--></ul><!--]--></li><li><p tabindex="0" class="sidebar-item sidebar-heading collapsible">Configuration <span class="right arrow"></span></p><!--[--><ul style="display:none;" class="sidebar-item-children"><!--[--><li><a href="/clover-vuepress/en/setup.html" class="sidebar-item" aria-label="Initial setup"><!--[--><!--]--> Initial setup <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/calibration.html" class="sidebar-item" aria-label="Sensor calibration"><!--[--><!--]--> Sensor calibration <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/radio.html" class="sidebar-item" aria-label="RC setup"><!--[--><!--]--> RC setup <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/rc_flysky_a8s.html" class="sidebar-item" aria-label="Using Flysky FS-A8S"><!--[--><!--]--> Using Flysky FS-A8S <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/modes.html" class="sidebar-item" aria-label="Flight modes"><!--[--><!--]--> Flight modes <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/power.html" class="sidebar-item" aria-label="Power setup"><!--[--><!--]--> Power setup <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/failsafe.html" class="sidebar-item" aria-label="Failsafe configuration"><!--[--><!--]--> Failsafe configuration <!--[--><!--]--></a><!----></li><!--]--></ul><!--]--></li><li><p tabindex="0" class="sidebar-item sidebar-heading collapsible">Manual flight <span class="right arrow"></span></p><!--[--><ul style="display:none;" class="sidebar-item-children"><!--[--><li><a href="/clover-vuepress/en/flight.html" class="sidebar-item" aria-label="Flight"><!--[--><!--]--> Flight <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/flight_exercises.html" class="sidebar-item" aria-label="Drone control exercises"><!--[--><!--]--> Drone control exercises <!--[--><!--]--></a><!----></li><!--]--></ul><!--]--></li><li><p tabindex="0" class="sidebar-item sidebar-heading collapsible">Working with Raspberry Pi <span class="right arrow"></span></p><!--[--><ul style="display:none;" class="sidebar-item-children"><!--[--><li><a href="/clover-vuepress/en/raspberry.html" class="sidebar-item" aria-label="Raspberry Pi"><!--[--><!--]--> Raspberry Pi <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/image.html" class="sidebar-item" aria-label="Raspberry Pi image"><!--[--><!--]--> Raspberry Pi image <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/wifi.html" class="sidebar-item" aria-label="Connecting to Clover via Wi-Fi"><!--[--><!--]--> Connecting to Clover via Wi-Fi <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/connection.html" class="sidebar-item" aria-label="Connecting Raspberry Pi to the flight controller"><!--[--><!--]--> Connecting Raspberry Pi to the flight controller <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/gcs_bridge.html" class="sidebar-item" aria-label="Using QGroundControl via Wi-Fi"><!--[--><!--]--> Using QGroundControl via Wi-Fi <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/ssh.html" class="sidebar-item" aria-label="SSH access to Raspberry Pi"><!--[--><!--]--> SSH access to Raspberry Pi <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/cli.html" class="sidebar-item" aria-label="Command line interface"><!--[--><!--]--> Command line interface <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/selfcheck.html" class="sidebar-item" aria-label="Automatic check"><!--[--><!--]--> Automatic check <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/web_video_server.html" class="sidebar-item" aria-label="Viewing images from cameras"><!--[--><!--]--> Viewing images from cameras <!--[--><!--]--></a><!----></li><!--]--></ul><!--]--></li><li><p tabindex="0" class="sidebar-item sidebar-heading collapsible">Programming <span class="right arrow"></span></p><!--[--><ul style="display:none;" class="sidebar-item-children"><!--[--><li><a href="/clover-vuepress/en/programming.html" class="sidebar-item" aria-label="Programming"><!--[--><!--]--> Programming <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/camera_setup.html" class="sidebar-item" aria-label="Camera setup"><!--[--><!--]--> Camera setup <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/aruco.html" class="sidebar-item" aria-label="ArUco markers"><!--[--><!--]--> ArUco markers <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/aruco_marker.html" class="sidebar-item" aria-label="ArUco marker detection"><!--[--><!--]--> ArUco marker detection <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/aruco_map.html" class="sidebar-item" aria-label="Map-based navigation with ArUco markers"><!--[--><!--]--> Map-based navigation with ArUco markers <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/optical_flow.html" class="sidebar-item" aria-label="Use of Optical Flow"><!--[--><!--]--> Use of Optical Flow <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/simple_offboard.html" class="sidebar-item" aria-label="Autonomous flight"><!--[--><!--]--> Autonomous flight <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/frames.html" class="sidebar-item" aria-label="Coordinate systems (frames)"><!--[--><!--]--> Coordinate systems (frames) <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/snippets.html" class="sidebar-item" aria-label="Code examples"><!--[--><!--]--> Code examples <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/laser.html" class="sidebar-item" aria-label="Working with a laser rangefinder"><!--[--><!--]--> Working with a laser rangefinder <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/leds.html" class="sidebar-item" aria-label="Working with a LED strip"><!--[--><!--]--> Working with a LED strip <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/gpio.html" class="sidebar-item" aria-label="Working with GPIO"><!--[--><!--]--> Working with GPIO <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/sonar.html" class="sidebar-item" aria-label="Working with the ultrasonic distance gage"><!--[--><!--]--> Working with the ultrasonic distance gage <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/camera.html" class="sidebar-item" aria-label="Working with the camera"><!--[--><!--]--> Working with the camera <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/rviz.html" class="sidebar-item" aria-label="Using rviz and rqt"><!--[--><!--]--> Using rviz and rqt <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/autolaunch.html" class="sidebar-item" aria-label="Software autorun"><!--[--><!--]--> Software autorun <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/javascript.html" class="sidebar-item" aria-label="Work with ROS from browser"><!--[--><!--]--> Work with ROS from browser <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/blocks.html" class="sidebar-item" aria-label="Blocks programming for Clover"><!--[--><!--]--> Blocks programming for Clover <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/simulation.html" class="sidebar-item" aria-label="Simulation overview"><!--[--><!--]--> Simulation overview <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/simulation_native.html" class="sidebar-item" aria-label="Native setup"><!--[--><!--]--> Native setup <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/simulation_vm.html" class="sidebar-item" aria-label="Simulation VM setup"><!--[--><!--]--> Simulation VM setup <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/simulation_usage.html" class="sidebar-item" aria-label="Using the simulator"><!--[--><!--]--> Using the simulator <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/simulation_m1.html" class="sidebar-item" aria-label="Running simulator on M1 powered computer"><!--[--><!--]--> Running simulator on M1 powered computer <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/ros.html" class="sidebar-item" aria-label="ROS"><!--[--><!--]--> ROS <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/mavros.html" class="sidebar-item" aria-label="MAVROS"><!--[--><!--]--> MAVROS <!--[--><!--]--></a><!----></li><!--]--></ul><!--]--></li><li><p tabindex="0" class="sidebar-item sidebar-heading collapsible">Supplementary materials <span class="right arrow"></span></p><!--[--><ul style="display:none;" class="sidebar-item-children"><!--[--><li><a href="/clover-vuepress/en/supplementary.html" class="sidebar-item" aria-label="Supplementary materials"><!--[--><!--]--> Supplementary materials <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/coex_pix.html" class="sidebar-item" aria-label="COEX Pix"><!--[--><!--]--> COEX Pix <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/coex_pdb.html" class="sidebar-item" aria-label="COEX PDB"><!--[--><!--]--> COEX PDB <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/coex_gps.html" class="sidebar-item" aria-label="COEX GPS"><!--[--><!--]--> COEX GPS <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/auto_setup.html" class="sidebar-item" aria-label="Step-by-step guide on autonomous flight with Clover 4"><!--[--><!--]--> Step-by-step guide on autonomous flight with Clover 4 <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/hostname.html" class="sidebar-item" aria-label="Hostname"><!--[--><!--]--> Hostname <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/sitl.html" class="sidebar-item" aria-label="PX4 Simulation"><!--[--><!--]--> PX4 Simulation <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/wall_aruco.html" class="sidebar-item" aria-label="Navigation using vertical ArUco-markers"><!--[--><!--]--> Navigation using vertical ArUco-markers <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/calibratePID.html" class="sidebar-item" aria-label="Configuring the PID coefficients"><!--[--><!--]--> Configuring the PID coefficients <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/models.html" class="sidebar-item" aria-label="Model files for parts"><!--[--><!--]--> Model files for parts <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/ros-install.html" class="sidebar-item" aria-label="ROS Melodic package installation and setup"><!--[--><!--]--> ROS Melodic package installation and setup <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/camera_calibration.html" class="sidebar-item" aria-label="Camera calibration"><!--[--><!--]--> Camera calibration <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/zerotire_vpn.html" class="sidebar-item" aria-label="Creating a virtual network ZeroTier One and connecting to it"><!--[--><!--]--> Creating a virtual network ZeroTier One and connecting to it <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/4g.html" class="sidebar-item" aria-label="Multi-copter control with 4G communication"><!--[--><!--]--> Multi-copter control with 4G communication <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/jetson_nano.html" class="sidebar-item" aria-label="Clover and Jetson Nano"><!--[--><!--]--> Clover and Jetson Nano <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/rc.html" class="sidebar-item" aria-label="Controlling Clover from a smartphone"><!--[--><!--]--> Controlling Clover from a smartphone <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/network.html" class="sidebar-item" aria-label="Configuring Wi-Fi"><!--[--><!--]--> Configuring Wi-Fi <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/uart.html" class="sidebar-item" aria-label="UART interface"><!--[--><!--]--> UART interface <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/parameters.html" class="sidebar-item" aria-label="PX4 Parameters"><!--[--><!--]--> PX4 Parameters <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/flight_logs.html" class="sidebar-item" aria-label="PX4 Logs and Topics"><!--[--><!--]--> PX4 Logs and Topics <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/firmware.html" class="sidebar-item" aria-label="Pixhawk / Pixracer firmware flashing"><!--[--><!--]--> Pixhawk / Pixracer firmware flashing <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/mavlink.html" class="sidebar-item" aria-label="MAVLink"><!--[--><!--]--> MAVLink <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/test_connection.html" class="sidebar-item" aria-label="How to use a multimeter?"><!--[--><!--]--> How to use a multimeter? <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/radioerrors.html" class="sidebar-item" aria-label="Possible radio failures"><!--[--><!--]--> Possible radio failures <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/esc_firmware.html" class="sidebar-item" aria-label="Flashing ESCs using BLHeliSuite"><!--[--><!--]--> Flashing ESCs using BLHeliSuite <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/arduino.html" class="sidebar-item" aria-label="Controlling the copter from Arduino"><!--[--><!--]--> Controlling the copter from Arduino <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/gps.html" class="sidebar-item" aria-label="Connecting GPS"><!--[--><!--]--> Connecting GPS <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/ir_sensors.html" class="sidebar-item" aria-label="Working with IR sensors on Raspberry Pi 3"><!--[--><!--]--> Working with IR sensors on Raspberry Pi 3 <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/fpv_clover_4_2.html" class="sidebar-item" aria-label="Installing and configuring FPV equipment"><!--[--><!--]--> Installing and configuring FPV equipment <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/fpv.html" class="sidebar-item" aria-label="Installation of FPV"><!--[--><!--]--> Installation of FPV <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/magnetic_grip.html" class="sidebar-item" aria-label="Assembling and setting up the electromagnetic gripper"><!--[--><!--]--> Assembling and setting up the electromagnetic gripper <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/mechanical_grip.html" class="sidebar-item" aria-label="Assembling and setting up a mechanical gripper"><!--[--><!--]--> Assembling and setting up a mechanical gripper <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/trainer_mode.html" class="sidebar-item" aria-label="FlySky Trainer mode settings"><!--[--><!--]--> FlySky Trainer mode settings <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/tinning.html" class="sidebar-item" aria-label="Blanching"><!--[--><!--]--> Blanching <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/connectortypes.html" class="sidebar-item" aria-label="Types of power connectors"><!--[--><!--]--> Types of power connectors <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/4in1.html" class="sidebar-item" aria-label="Connecting 4 in 1 ESCs"><!--[--><!--]--> Connecting 4 in 1 ESCs <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/tb.html" class="sidebar-item" aria-label="Soldering safety"><!--[--><!--]--> Soldering safety <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/leds_old.html" class="sidebar-item" aria-label="Working with a LED strip on Raspberry 3"><!--[--><!--]--> Working with a LED strip on Raspberry 3 <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/contributing.html" class="sidebar-item" aria-label="Contribution to Clover"><!--[--><!--]--> Contribution to Clover <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/packages.html" class="sidebar-item" aria-label="COEX packages repository"><!--[--><!--]--> COEX packages repository <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/migrate20.html" class="sidebar-item" aria-label="Migration to version 0.20"><!--[--><!--]--> Migration to version 0.20 <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/migrate22.html" class="sidebar-item" aria-label="Migration to version 0.22"><!--[--><!--]--> Migration to version 0.22 <!--[--><!--]--></a><!----></li><!--]--></ul><!--]--></li><li><p tabindex="0" class="sidebar-item sidebar-heading collapsible">Events <span class="right arrow"></span></p><!--[--><ul style="display:none;" class="sidebar-item-children"><!--[--><li><a href="/clover-vuepress/en/events.html" class="sidebar-item" aria-label="Events"><!--[--><!--]--> Events <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/copterhack2022.html" class="sidebar-item" aria-label="CopterHack 2022"><!--[--><!--]--> CopterHack 2022 <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/copterhack2021.html" class="sidebar-item" aria-label="CopterHack 2021"><!--[--><!--]--> CopterHack 2021 <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/copterhack2019.html" class="sidebar-item" aria-label="Copter Hack 2019"><!--[--><!--]--> Copter Hack 2019 <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/copterhack2018.html" class="sidebar-item" aria-label="Copter Hack 2018"><!--[--><!--]--> Copter Hack 2018 <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/copterhack2017.html" class="sidebar-item" aria-label="Copter Hack 2017"><!--[--><!--]--> Copter Hack 2017 <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/video_contest.html" class="sidebar-item" aria-label="Contest for the best educational video on assembly and configuration"><!--[--><!--]--> Contest for the best educational video on assembly and configuration <!--[--><!--]--></a><!----></li><li><a href="/clover-vuepress/en/educational_contests.html" class="sidebar-item" aria-label="Educational contests"><!--[--><!--]--> Educational contests <!--[--><!--]--></a><!----></li><!--]--></ul><!--]--></li><!--]--></ul><!--[--><!--]--></aside><!--]--><!--[--><main class="page"><!--[--><!--]--><div class="theme-default-content"><!--[--><h1 id="safety-tips" tabindex="-1"><a class="header-anchor" href="#safety-tips" aria-hidden="true">#</a> Safety tips</h1><h2 id="soldering" tabindex="-1"><a class="header-anchor" href="#soldering" aria-hidden="true">#</a> Soldering</h2><img src="/clover-vuepress/assets/stand.03b6f6d4.jpg" align="right" width="200"><p>Soldering and tinning should be performed in specially prepared rooms. A ventilation system and a fume extractor are mandatory.</p><p>Before you start:</p><ol><li>Prepare your workplace. Nothing should interrupt the process. Your workbench should be well lit.</li><li>Check the integrity of wiring and plugs of all electrical appliances.</li><li>Place your soldering iron near the fume extractor. Use a soldering iron stand when the soldering iron is not in use.</li><li>Wear safety goggles and gloves.</li></ol><p>During soldering:</p><ol><li><p>Use the soldering iron grip to hold the soldering iron. The tip is very hot!</p><img src="/clover-vuepress/assets/keep.d3f0b80b.png" width="300"></li><li><p>The soldering iron tip can easily damage insulation which may lead to short circuits.</p></li><li><p>Use pliers, tweezers and other tools to safely handle wires and boards during soldering.</p></li><li><p>Do not pull wires too hard during desoldering operations to avoid burns by molten solder.</p></li><li><p>Use a special holder (a "helping hand") for soldering small components.</p><img src="/clover-vuepress/assets/helphand.046476ca.jpg" width="300"></li><li><p>Don't hold the soldering iron by its wire or tip. Unplug the iron during breaks and after work.</p></li></ol><div class="custom-container warning"><p class="custom-container-title">WARNING</p><p>Unplug the soldering iron in case of malfunctions and/or fire.</p></div><p>Rosin and solder emit a considerable amount of harmful substances when heated. Vent the room after each soldering session. Take breaks every 30 minutes for full room ventilation; don't forget to unplug the soldering iron during these breaks.</p><h2 id="flights" tabindex="-1"><a class="header-anchor" href="#flights" aria-hidden="true">#</a> Flights</h2><h3 id="safety-during-pre-flight-preparations" tabindex="-1"><a class="header-anchor" href="#safety-during-pre-flight-preparations" aria-hidden="true">#</a> Safety during pre-flight preparations</h3><ul><li>Make sure that the Li-ion batteries are charged.</li><li>Make sure the batteries in the control equipment are charged.</li><li>Attach the propellers just before flying.</li></ul><p>Check the following:</p><ul><li>Tightness of propeller nuts.</li><li>Attachment and integrity of propellers guards.</li><li>Reliability of wires attachment, absence of loose wires.</li></ul><h3 id="safety-before-flight" tabindex="-1"><a class="header-anchor" href="#safety-before-flight" aria-hidden="true">#</a> Safety before flight</h3><ul><li>Place the spectators behind the pilot, or behind the line passing through both shoulders of the pilot behind the pilot.</li><li>Do not allow spectators into the hemisphere in front of the pilot.</li><li>Know and remember the flight duration that the copter and its battery are designed for.</li><li>BEFORE connecting the Li-ion battery enable control equipment (the remote), and set the left stick (throttle) to the zero position.</li><li>Connect the Li-ion battery immediately before takeoff, disconnect it immediately after landing.</li><li>Stay at least 3 m away from the copter.</li><li>Take off from a level flat site at the distance of at least 3 meters away from obstacles.</li></ul><h3 id="flight-safety" tabindex="-1"><a class="header-anchor" href="#flight-safety" aria-hidden="true">#</a> Flight safety</h3><ul><li>Follow all instructions of the teacher or the flight instructor.</li><li>Specify the flying area in advance. Only fly in the specified area, and avoid flying outside it. Not to fly over behind your back.</li><li>When learning to fly, fly below the level of your height.</li><li>Fly in proximity to yourself at a distance at which you can see the copter orientation in space. Do no fly far away from yourself. If you doubt copter orientation, immediately land on the spot. Do not try to take off. Approach the copter and take off.</li><li>During the flight, move the control sticks carefully and smoothly. Avoid abrupt movements. If you have to change the flight direction, move the sticks vigorously, but not abruptly.</li><li>Fly carefully, and perform only those flight elements that you are sure you can perform. Never perform the flight maneuvers that you doubt you can perform, and the maneuvers involving risks.</li><li>Observe the speed limit. The copter speed should be maintained within the speed of a walking man.</li><li>Return the copter to the landing location by the estimated time, prevent complete discharge of the battery during the flight.</li><li>Land only on a flat open area away from obstacles</li></ul><h3 id="emergency-landing" tabindex="-1"><a class="header-anchor" href="#emergency-landing" aria-hidden="true">#</a> Emergency landing</h3><p>In case of hitting the ground or a heavy landing, do the following:</p><ol><li>Stop the flight. Land the copter on the ground. Set the left stick (throttle) to the minimum</li><li>Disarm (Move the left stick left-down for 3 seconds)</li><li>Disconnect the Li-ion battery on the copter.</li><li>Turn off the remote.</li><li>Inspect the copter, and repair if necessary.</li></ol><h3 id="scheduled-landing" tabindex="-1"><a class="header-anchor" href="#scheduled-landing" aria-hidden="true">#</a> Scheduled landing</h3><p>After a scheduled landing, do the following:</p><ol><li>Disarm (Move the left stick left-down for 3 seconds)</li><li>Disconnect the Li-ion battery on the copter.</li><li>Turn off the remote.</li></ol><!--]--></div><footer class="page-meta"><div class="meta-item edit-link"><a class="external-link meta-item-label" href="https://github.com/CopterExpress/clover/edit/master/docs/en/safety.md" rel="noopener noreferrer" target="_blank" aria-label="Edit this page"><!--[--><!--]--> Edit this page <span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span><!--[--><!--]--></a></div><!----><!----></footer><nav class="page-nav"><p class="inner"><span class="prev"><a href="/clover-vuepress/en/glossary.html" class="" aria-label="Glossary"><!--[--><!--]--> Glossary <!--[--><!--]--></a></span><!----></p></nav><!--[--><!--]--></main><!--]--></div><!----><!--]--></div>
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