00:00Need sensor modules under $5? Tested market. Found top budget picks for Arduino. High ratings,
00:09rock bottom cost. Zero junk. Best Arduino sensor modules under $5 start now.
00:16First up, MQ series gas sensor boards. Cost $339. Over $4,700 sold, 4.9 rating. Sniff smoke,
00:27methane, LPG, carbon monoxide. Easy analog read, adjustable sensitivity pod on board.
00:35Best cheap pick for DIY air monitor or leak alarm. Next, GY521 MPU 6050 module.
00:44231. 4.7 rating, massive sales. Packs 6 degrees of freedom, 3-axis Euro, 3-axis accelerometer.
00:53Talks I2C cleanly to Arduino, ESP32, Pi. Absolute steel for robotics, gesture control,
01:02flight balance code. Third, SHT30 series temperature humidity breakout.
01:08346. 4.9 rating. Demolishes old DHT11 junk. Digital I2C output, ultra-fast response,
01:18rock-solid factory calibration. Top pick for weather station or terrarium control on budget.
01:25Fourth, HCSR501 PIR motion sensor. $2.08. Classic pyroelectric sensor, 4.7 rating.
01:35Board has sensitivity pots, trigger mode jumpers, long detection range up to 7 meters.
01:41Ideal pick for smart lighting or home security triggers.
01:44Fifth, Max 9814 sound sensor module. $1.60.
01:52Stellar 4.9 rating.
01:54Destroys basic micromics because on-board autogain control handles loud bangs and quiet
01:59whispers automatically. Perfect upgrade for voice triggers,
02:03beat detection, audio meters. Links sit in description below.
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02:13See you next build.
