Weighing scales (or weigh scales or scales) are devices to measure weight or calculate mass. Spring balances or spring scales measure weight (force) by balancing the force due to gravity against the force on a spring, whereas a balance...

Pulse oximetry a noninvasive method of indicating the arterial oxygen saturation of functional hemoglobin. Oxygen saturation is defined as the measurement of the amount of oxygen dissolved in blood, based on the detection of Hemoglobin...

Blood pressure is the pressure of the blood in the arteries as it is pumped around the body by the heart. When your heart beats, it contracts and pushes blood through the arteries to the rest of your body. This force creates pressure on...

Glucometer is a medical device for determining the approximate concentration of glucose in the blood. A small drop of blood, obtained by pricking the skin with a lancet, is placed on a disposable test strip that the meter reads and uses...

The Alarm / Emergency Button provides immediate access to assistance with just the touch of the button. This call button can be worn as a help pendant around your neck or as an alert watch button around your wrist. Unlike other systems...

The temperature sensor allows you to measure this key parameter for body monitoring. Its measure the human body temperature with a 0.1 ºC maximum desviation. An armband is supplied to facilitate the placement of the sensor on the...

Every circuit starts with power. It uses a 9 volt battery to provide the electricity that makes your Bits spin, buzz, blink, and shine. Real-World Analogies. Cellphone Charger How It Works. The power Bit converts the 9 volts of...

The USB power may be the smallest in the series, but it's big enough to send juice to all your creations. Connect a USB cable (included) to your computer or phone charger to start the power flowing. Try it with an LED to make the...

The bend sensor turns on as you flex the long strip. To send signal to your output Bits, bend the strip down, towards the Bit's feet. But make sure not to crease it - that could damage your Bit! Try it with a bargraph to test its...

You know what a button is! It’s a classic: big, round, and springy. Push to turn your creation on, and release to turn it off. Snap a buzzer in place after your button to sound out signals in morse code! Real-World Analogies Video Game...

The delay Bit takes incoming audio and repeats it, like an echo. Delays can be long and spacey, like shouting into the Grand Canyon, or loud and crazy. How It Works The delay has 2 knobs: "time," which sets the delay length...

Twist this dimmer back and forth to control your circuit. As you twist the knob clockwise, more signal goes to the Bits that follow, brightening lights, speeding up motors, or raising the volume on buzzers. Real-World Analogies Household...