Compare MAX7219 8X8 Red Dot LED Matrix Kit $8.99 8X8 LED matrix has too many pins that Arduino is difficult to interface. This kit shows how to use an interface chip MAX7219 to interface Arduino to drive 8X8 LED matrix. This is a 8X8 LED matrix kit that includes the... 0 Add to Cart
Compare Basic 20x4 Character LCD - Black on Green 5V $17.95 This is a basic 20 character by 4 line display. Black text on Green background. Utilizes the extremely common HD44780 parallel interface chipset (datasheet). Interface code is freely available. You will need ~11 general I/O pins to interface to... 0 Add to Cart
Compare Desoldering Pump $2.90 High quality, durable and easy to use desoldering pump, nice helper for you to rapidly remove solder during soldering. To use the pump, push down the plunger and use your soldering iron to melt the solder; when it ready to use, release the... 0 Add to Cart
Compare GPS Receiver (20 Channel) with Embedded Antenna $29.00 This GPS receiver comes with embedded antenna and only needs 5 pins to talk to your Arduino or MCU. Pin 1: GND Ground Pin 2: VCC Power supply of 3.3 ~ 3.5 VDCPin 3: TX Port A... 0 Add to Cart
Compare USB to RS232 Converter $12.90 We do lots of converting from TTL serial to USB (using the FTDI and Silicon Labs ICs). But what do you do if you've got a laptop and need RS232 serial? This is a high quality, low cost, small, and easy to use USB to RS232 converter. Device uses the... 0 Add to Cart
Compare Xbee Relay Shield $14.00 The Relay Shield is an Arduino compatible smart module with 4 mechanical relays providing an easy way to control high voltage. The max switching power is 35VDC 70W for each channel. It can be directly controlled by Arduino through digital IOs with... 0 Add to Cart
Compare Breakout Board for ADMP401 MEMS Microphone $8.95 This tiny breakout board features the ADMP401 MEMs microphone. One of the key advantages to this breakout and microphone is the bottom ported input. This means the microphone's input can fit flush against the enclosure of your project. Plus you will not... 0 Add to Cart
Compare Interface Cable SMA to U.F.L $3.90 A connector cable that interfaces U.F.L RF connectors to regular SMA antennas. The SMA connector here is a female SMA. 0 Add to Cart
Compare Sound Sensor TTL output $7.99 This sound sensor only requires 3 pins, +5, GND and TTL output pin. When there is sound present, it will output a low voltage signal It can not distinguish the dB of sound, just the presence of sound or not. 0 Add to Cart
Compare Servo/Sensor Adaptor Shield for Arduino $6.00 This is an adapter shield for Arduino that can allow eary connection of servo, sensors, communication modules, such as NRF24L01, Xbee. 0 Add to Cart
