{"product_id":"mq-5-gas-detection-alarm-circuit-sound-and-light-electronic-teaching-training-diy-parts-production-sensor-kit","title":"MQ-5 Gas Detection Alarm Circuit Sound and Light Electronic Teaching Training DIY Parts Production Sensor Kit","description":"\u003cdiv id=\"specification\"\u003e\u003c\/div\u003e\u003cdiv id=\"specification_end\"\u003e\u003c\/div\u003e\u003cp\u003e\u003cb\u003eFeature:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eProduct name: Gas detection alarm circuit\u003c\/p\u003e\u003cp\u003eSupply voltage: DC5V\u003c\/p\u003e\u003cp\u003eAppearance size: 60*30mm\u003c\/p\u003e\u003cp\u003eSensor: MQ-5\u003c\/p\u003e\u003cp\u003eNOTE: This kit requires self-assembly.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003ePackage includes:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e1 x DIY Kit\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"694\" height=\"630\" style=\"width: 520.52pt;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"410\" style=\"width: 307.5pt;\"\u003e\n\u003ccol width=\"189\" style=\"width: 141.75pt;\"\u003e\n\u003ccol width=\"95\" style=\"width: 71.25pt;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\u003ctd colspan=\"3\" class=\"et2\" height=\"35\" width=\"694\" x:str=\"\" style=\"text-align: center; height: 26.25pt; width: 520.5pt;\"\u003e\u003cb\u003eComponents List\u003c\/b\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003e\u003cb\u003eComponent name\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"et5\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003e\u003cb\u003eComponent position\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\" width=\"95\" x:str=\"\" style=\"width: 71.25pt;\"\u003e\u003cb\u003eQuantity\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et6\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003e1\/4W Resistor 5.1R\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eR1\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"1\" style=\"width: 71.25pt;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003e1\/4W Resistor 1K\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eR2, R5~R7,R9, R10\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"6\" style=\"width: 71.25pt;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003e1\/4W Resistor 10K\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eR3, R4\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"2\" style=\"width: 71.25pt;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003e1\/4W Resistor 330R\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eR8\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"1\" style=\"width: 71.25pt;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003e1\/4W resistor 220K\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eIC4\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"1\" style=\"width: 71.25pt;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003eCeramic capacitor 104\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eC1,C2\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"2\" style=\"width: 71.25pt;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003e3MM yellow LED\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eD1, D2\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"2\" style=\"width: 71.25pt;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003eTransistor S9012\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eQ1\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"1\" style=\"width: 71.25pt;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003eTrivalent chromium S9013\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eQ2\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"1\" style=\"width: 71.25pt;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003eIn-line chip LM393\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eU1\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"1\" style=\"width: 71.25pt;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003eVoice chip C002\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eIC4\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"1\" style=\"width: 71.25pt;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003e5V Active Buzzer\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eB1\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"1\" style=\"width: 71.25pt;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003eStraight pin header 4P\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eP1\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"1\" style=\"width: 71.25pt;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003eDouble female Dupont cable 2P\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eP1\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"1\" style=\"width: 71.25pt;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et4\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003eMQ-5 gas sensor\u003c\/td\u003e\n\u003ctd class=\"et4\" width=\"189\" x:str=\"\" style=\"width: 141.75pt;\"\u003eMQ-5\u003c\/td\u003e\n\u003ctd class=\"et7\" width=\"95\" x:num=\"1\" style=\"width: 71.25pt;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"35\" style=\"height: 26.25pt;\"\u003e\n\u003ctd class=\"et8\" height=\"35\" width=\"410\" x:str=\"\" style=\"height: 26.25pt; width: 307.5pt;\"\u003ePCB board\u003c\/td\u003e\n\u003ctd class=\"et9\" width=\"189\" style=\"width: 141.75pt;\"\u003e\u003c\/td\u003e\n\u003ctd class=\"et10\" width=\"95\" x:num=\"1\" style=\"width: 71.25pt;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"\"\u003e\u003cb\u003ePrinciple:\u003c\/b\u003e\u003c\/p\u003e\u003cp style=\"\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"\"\u003eThe gas sensing material used in the MQ-5 gas sensor is tin dioxide with low conductivity in clean air. When there is flammable gas in the environment where the sensor is located, the conductivity of the sensor increases with the increase in the concentration of flammable gas in the air. big. External oscillator resistance 100K~240KΩ (the larger the resistance, the slower the sound speed), the buzzer can be driven to sound after power-on. Pin 1 is grounded, pin 2 is output, pin 3 is the sound terminal, pin 4 is connected to the positive pole of the power supply, and pins 5 and 6 are connected to the shock resistance.\u003c\/p\u003e","brand":"LinkMejor","offers":[{"title":"Default Title","offer_id":49120449790177,"sku":"BG-1961368","price":7.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/0467821b-ed69-497a-9b4e-1fa0d5cdf8d8.jpg?v=1789396692","url":"https:\/\/ontproduct.com\/products\/mq-5-gas-detection-alarm-circuit-sound-and-light-electronic-teaching-training-diy-parts-production-sensor-kit","provider":"IvySource","version":"1.0","type":"link"}