Compare Hall Effect Sensor US1881EUA $0.95 The US1881 is an integrated Hall effect latched sensor. Holding a magnet near the sensor will cause the output pin to toggle. This makes for a robust presence sensor. A reed sensor also works nicely, but can be limited by the glass encapsulation... 0 Add to Cart
Compare Ultrasonic Sensor Breakout SRF04 $2.99 SRF04 ultrasonic distance sensor provides non-contact distance sensing function in the range of 3cm ~ 400cm with accuracy up to 0.3mm. This module has a stable performance, high distance measurement accuracy, and compact-size, and it’s simple and... 0 Add to Cart
Compare Sharp GP2Y0A21YK0F Infrared Analog Distance Sensor 10-80cm $9.99 The Sharp distance sensors are a popular choice for many projects that require accurate distance measurements. This IR sensor is more economical than sonar rangefinders, yet it provides much better performance than other IR alternatives. Interfacing to... 0 Add to Cart
Compare Infrared Roadblock Sensor $6.99 Infrared roadblock sensor. Red: 4.5V to 5V, please add a resistor of 1K ohm to limit the current. Yellow: TTL output to MCU, please add a pull-up resistor. Black: Ground. Sensing Distance: 3-80CM 0 Add to Cart
Compare Infrared Proximity Sensor Long Range - Sharp GP2Y0A02YK0F $14.59 Infrared proximity sensor, Sharp. Part # has an analog output that varies from 2.8V at 15cm to 0.4V at 150cm with a supply voltage between 4.5 and 5.5VDC. The sensor has a Japanese Solderless Terminal (JST) Connector. You can buy the related pigtail or... 0 Add to Cart
Compare Dopplar Radar Motion Detector $25.00 SD719 is a type of Doppler radar that can be used to detect motion. The RF frequency is 10.525GHz, and it’s powered by 6-50V DC. SD719 motion detector uses MCU to analyze the signal, and is of high reliability. There are 16 levels of sensitivity... 0 Add to Cart
Compare Electret Microphone $0.95 Small electret microphone. Useful in acoustic and audio applications. Download: Datasheet 0 Add to Cart
Compare One Wire Digital Temperature Sensor - DS18B20 $3.99 This is the latest DS18B20 1-Wire digital temperature sensor from Maxim IC. Reports degrees C with 9 to 12-bit precision, -55C to 125C (+/-0.5C). Each sensor has a unique 64-Bit Serial number etched into it - allows for a huge number of sensors to be... 0 Add to Cart
Compare Breakout of DHT11 Temperature and Humidity Sensor $5.20 This DHT11 Temperature and Humidity Sensor features a calibrated digital signal output with the temperature and humidity sensor complex,ensureing the high reliability and excellent long-term stability. A high-performance 8-bit microcontroller is... 0 Add to Cart
Compare Rain/Condensed Water/Frost Sensor Breakout $4.99 The chipset used is LM393, and water sensor board. The sense board has a size of 40mm X 54 mm. The LM393 board has a size of 32mm (L) X 14 mm (W). Working voltage: DC 3.3-5 V. Features: Signal output indicator Single channel signal... 0 Add to Cart
Compare FTDI VDRIVE2 - easily add USB Flash Drive interface to 8 bit MCU $26.99 VDRIVE2 is possibly the easiest solution for adding a USB Flash Drive interface to existing products. Only four signal lines plus 5V supply and ground are required to be connected. Using the Vinculum VDAP firmware the VNC1L's I/O interface can be... 0 Add to Cart
Compare Third-hand Tool With Magnifying Glass $14.99 The best helper, third-hand is a very useful tool for holding, soldering, magnifying, It comes with a sturdy stand, two clamps and a 2x optical magnifying glass. With the third-hand, you can get rid of the confusions while soldering tiny printed circuits... 0 Add to Cart
