CariFree Fluoride Free Gel (Grape): Nano Hydroxyapatite Toothpaste | Neutralizes pH | Freshens Breath and Moistens Mouth | Dentist Recommended for Oral Care | Toothpaste Replacement
【Whitening Toothpaste】: Purple toothpaste whitening is a new whitening technology that results in effective and deep whitening of teeth. It is a powerful stain removal molecule that breaks down tooth discolouration into small pieces without affecting tooth structure and is safe for enamel and gums..
【Natural Ingredients】: Purple toothpaste gel with sorbitol, xylitol, glycerin and other ingredients which are very safe, can be used safely. Effectively brighten teeth and gives you a visible whitening effect, making your smile more confident..
【Teeth Whitening Technology】: Purple and yellow are complementary colours on the colour wheel, applying purple to your teeth will neutralize the yellow undertones, therefore purple toothpaste can easily remove stains from coffee, tea, smoking and yellow teeth. At the same time reducing sensitivity and pain and bringing pleasure to your teeth whitening process..
【Fresh Breath Toothpaste】: Tooth cleaning toothpaste provides long-lasting freshness in the mouth for healthy teeth and gums. promotes strong enamel, and white teeth and fights bad breath. the powerful formula penetrates deep into enamel crevices to remove food debris and embedded deep stains. The effect is more noticeable after brushing your te....
Purple Toothpaste for Teeth Whitening,Teeth Whitening Toothpaste, Stain Removal Toothpaste Extra Whitening, Purple Tooth Whitening Gel Suitable for Sensitive Teeth and Gum Repair
【Whitening Toothpaste】: Purple toothpaste whitening is a new whitening technology that results in effective and deep whitening of teeth. It is a powerful stain removal molecule that breaks down tooth discolouration into small pieces without affecting tooth structure and is safe for enamel and gums..
【Natural Ingredients】: Purple toothpaste gel with sorbitol, xylitol, glycerin and other ingredients which are very safe, can be used safely. Effectively brighten teeth and gives you a visible whitening effect, making your smile more confident..
【Teeth Whitening Technology】: Purple and yellow are complementary colours on the colour wheel, applying purple to your teeth will neutralize the yellow undertones, therefore purple toothpaste can easily remove stains from coffee, tea, smoking and yellow teeth. At the same time reducing sensitivity and pain and bringing pleasure to your teeth whitening process..
【Fresh Breath Toothpaste】: Tooth cleaning toothpaste provides long-lasting freshness in the mouth for healthy teeth and gums. promotes strong enamel, and white teeth and fights bad breath. the powerful formula penetrates deep into enamel crevices to remove food debris and embedded deep stains. The effect is more noticeable after brushing your te....
HC-SR04 consists of ultrasonic transmitter, receiver, and control circuit. When trigged it sends out a series of 40KHz ultrasonic pulses and receives echo from an object..
5pcs Ultrasonic Module HC-SR04 MELIFE Distance Sensor with 3pcs Mounting Bracket 2 Wire Set for Mega R3 MEGA Mega2560 Duemilanove Nano Robot XBee ZigBee
Parameter -- New Version Power Supply: 3.3V -- 5V DC.
Operating Principle: Ultrasonic HC-SR04 distance measuring transducer sensor, it consists of ultrasonic transmitter, receiver, and control circuit..
HC-SR04 ultrasonic sensor module: Using IO trigger for at least 10us high level signal, when triggered it sends out a series of 40KHz ultrasonic pulses and receives echo from an object, the duration of the signal is the time from sending ultrasonic to returning..
Test Distance Formula: The distance between the unit and the object is calculated by measuring the traveling time of sound and output it as the width of a TTL pulse, HC-SR04 test distance following formula -- L = 1/2 x T x C (L is the distance, T is the time between the emission and reception, and C is the sonic speed)..
Package Include: 5 x New Version HC-SR04 Ultrasonic Sensors, 3 x Mounting Bracket with Screws, 10 x Female-Male Dupont Cables, 10 x Female-Female Dupont Cables..
[FEATURE] These module is for distance measuring transducer that working with ultrasonic, they consist of ultrasonic transmitter, receiver, and....
[FUNCTIONAL PARAMETER] Effectual Angle: .
Resolution : 0.3 cm. Power Supply : 5V DC.
[UNIVERSAL COMPATIBILITY] Built in standard interface that can be controlled directly by microcontroller，such as 8051, AVR.
[WORKING PRINCIPLE] Using IO trigger for at least 10us high level signal, when triggered it sends out a series of 40KHz ultrasonic pulses and receives....
HC-SR04 consists of ultrasonic transmitter, receiver, and control circuit. When trigged it sends out a series of 40KHz ultrasonic pulses and receives....
Power Supply: DC 5V, Quiescent Current: less than 2mA.
Compatible with DIY Robot Car/Raspberry Pi 4B, 3B+, 3B.
