Compare TTL Level Shifter $1.95 If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The LinkSprite logic level shifter is a small device that safely steps down 5V signals to 3.3V and steps up 3.3V to 5V. This level converter also works... 0 Add to Cart
Compare Diode Rectifier - 1A 50V: 10 pack $1.40 This is a pack of 10 of simple, very common rectifier diode. Often used for reverse voltage protection, the 1N4001 is a staple for many power, DC to DC step up, and breadboard projects. 1N4001 is rated for up to 1A/50V. Download: ... 0 Add to Cart
Compare Mechanical Endstop for CNC 3D Printer RepRap Makerbot Prusa Mendel RAMPS $3.99 The mechanical endstop is a simple solution to a simple problem. We want to be able to detect when an X/Y/Z stage has reached its minimum or maximum. Instead of messing with flags or complicated light beam interruptors, we use a mechanical switch. If we... 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 Quad-band Cellular Antenna SMA $4.99 A small, high-quality, quad-band, standard SMA terminated, cellular antenna. Specifications: GSM/850E : 824 to 894MHz GSM : 880 to 960MHz DCS : 1710 to 1880MHz PCS : 1850 to 1990MHz 0 Add to Cart
Compare Linker kit Base Shield for Beaglebone $9.99 This is a Linker kit base shield for Beaglebone. All the Linker kit modules can be plugged onto Raspberry Pi through this base shield. Specification There are 8 4-pin 2.54mm spacing housing on the base shield: Digital:... 0 Add to Cart
Compare MQ2 Smoke Detector Shield for Arduino/pcDuino $5.99 MQ2 flammable gas and smoke sensor detects the concentrations of combustible gas in the air and ouputs its reading as an analog voltage. The sensor can measure concentrations of flammable gas of 300 to 10,000 ppm.The sensor can operate at... 0 Add to Cart
Compare DC 5V Four Channels Relay Breakout with Optoisolator $14.99 A breakout board with 4 channel 5V DC relay. The control signal is DC 5V - 7.5V. It can control 10A 250VAC, 10A 30VDC load. Size: 70mm X 17mm X 20mm. The major component is EL817 and SRD-DV5V-SL-C. Features: Outputs have LED... 0 Add to Cart
Compare Wall Adapter Power Supply - 9VDC 1A $5.49 High quality switching 'wall wart' AC to DC 9V 1000mA wall power supply. These are switch mode power supplies which mean the output is regulated to 9V and the capable output current is much higher (1000mA!). Please note, this specific supply (9V/1A) is... 0 Add to Cart
Compare CR2032 Battery Holder $0.49 This CR2032 battery holder is perfect as a replacement or for project use. It has a low-profile dip-style design for densely packed boards. Low-profile dip-style design for densely packed boards Withstands shock and vibration Dual-spring contacts... 0 Add to Cart