Adafruit Bluefruit LE UART Friend - Bluetooth Low Energy (BLE) $19.95 $24.95 Would you like to add powerful and easy-to-use Bluetooth Low Energy to your robot, art or other electronics project? Heck yeah! With BLE now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the... Notify Me
ESP8266 ESP-12E V1.0 Wifi CP2102 IoT Lua 267 for NodeMCU $9.95 $14.95 Product Description The NodeMcu is an open-source development kit based on the popular chip ESP8266 (ESP-12E), using the Lua programming language, a development environment for applications that provide fast Wi-Fi connectivity. The ESP8266 is a... Add to Cart
WIFI Transceiver Wireless Module $7.95 ESP-201 ESP8266 Serial Port Module Send Receive IO Lead Out WIFI Wireless Product Description 1.Can be used as the IO module. 2.All IO lead out. 3.With antenna, farther than others. 4.IPX interface on board. 5.Low consumption, and more cheaper. 6... Add to Cart
Snow/Rain/Humidity Sensor Module $2.95 Snow Rain Sensor Module Weather Sensor Humidity Sensor Module For Arduino Product Description 1.Product use: rain, rain sensor, can be used for all kinds of weather monitoring, and translated into output signals and AO. 2.The sensor USES the high... Add to Cart
TCS3200 Color Recognition Sensor Module for Arduino $9.95 TCS3200 Color Sensor is a complete color detector, including a TCS3200 RGB sensor chip and 4 white LEDs. The TCS3200 can detect and measure a nearly limitless range of visible colors. Applications Test strip reading Sorting by color Ambient light... Notify Me
TCS3200 TCS230 Color Sensor Module for Arduino $9.95 This color sensor module uses the new TCS3200 chip, the better upgraded version of TCS230. TCS3200 is a static object color detection chip which can output different frequency based on different color sensed and then MCU can read the RGB color via... Add to Cart
DS1302 RTC Module $2.95 $3.95 Product description : 1. PCB for single panel, size: 44 mm x 23 mm x 1.6 mm 2. With four positioning hole, a diameter of 3.1 mm 3. The spare battery for authentic celestial CR2032, voltage 3 v, current 260 mah, the rechargeable battery. 4. DS1302... Add to Cart
4x4 matrix keypad membrane $3.95 Specifications Cable Length: 3.3 inch Keypad Width: 2.7 inch Keypad Length : 3.0inch Number of keys: 16 Matrix: 4x4 Related Links Arduino Keypad Tutorial Add to Cart
Shift Register 8-Bit - DIP-16 IC $0.75 The SN74HC595N is a simple 8-bit shift register IC. Simply put, this shift register is a device that allows additional inputs or outputs to be added to a microcontroller by converting data between parallel and serial formats. Your chosen microprocessor... Add to Cart
Adafruit HUZZAH ESP8266 Breakout $13.95 Add Internet to your next project with an adorable, bite-sized WiFi microcontroller, at a price you like! The ESP8266 processor from Espressif is an 80 MHz microcontroller with a full WiFi front-end (both as client and access point) and TCP/IP stack with... Add to Cart
MicroHOPE - MCP2200 USB to Serial Adapter $6.95 $14.95 This board is used for testing the soft-serial interface of MicroHOPE. It can be used as a general purpose USB to Serial Converter. Add to Cart
MicroHOPE USBASP Programmer Board $7.95 $14.95 This is an open sourced ISP (In-System Programming) programmer available from http://www.fischl.de/usbasp/.This is provided as an accessory to MicroHOPE due to several reasons. If you want to develop programs that uses the UART of Atmega32, you need to... Add to Cart
MAX7219CNG LED Matrix/Digit Display Driver - MAX7219 $17.45 When you need some help driving a lot of LEDs, the MAX7219 is the best friend you could hope for. Many of us know that if you want to control a lot of LEDs, you'll want to use multiplexing, a technique that lets you control 64 LEDs (say) with only... Add to Cart
DHT22 AM2302 Digital Temperature Humidity Sensor for Arduino $10.95 The DHT22 is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple... Add to Cart
Membrane 3x4 Matrix Keypad + extras - 3x4 $5.45 Punch in your secret key into this numeric matrix keypad. This keypad has 12 buttons, arranged in a telephone-line 3x4 grid. It's made of a thin, flexible membrane material with an adhesive backing (just remove the paper) so you can attach it to nearly... Add to Cart
Shield stacking headers for Arduino (R3 Compatible) $2.45 How could something so simple be so useful? We heard once that in the 4th millenium B.C. some guy asked the person who invented the wheel that question. The person who invented the wheel's answer, we were told, was something like "Well... Add to Cart
5V 4 Channel SSR Solid-State Relay High Level Trigger 2A 240V $10.95 5V Four Channel SSR Solid Relay Module 240V / 2A - High Level Trigger - For Arduino Specifications Max. LoadAC: 240V Input Voltage: 5V DC Trigger Current: 2mA Dimensions: 2.28 in x 2.2 in x 0.94 in (5.8 cm x 5.6 cm x 2.4 cm) Weight: 1.34 oz (38 g) Add to Cart
8-Channel Relay Module for Arduino & Raspberry Pi - 5V $8.95 This is a 5V 8-Channel Relay interface board able to control various appliances, and other equipment with large currents. It can be controlled directly by Micro-controller (Raspberry Pi, Arduino,etc.). Features 5V 8-Channel Relay interface board,... Add to Cart
US-100 Ultrasonic Sensor With Temperature Compensation Range $5.95 If you're like me, you've dreamed of being a dolphin - smoothly gliding through the water. Using your echo-location abilities to detect tasty fish treats. Until genetic modifications catches up with our desires, we'll just have to make do with this... Add to Cart
MicroSD card breakout board+ $11.95 Not just a simple breakout board, this microSD adapter goes the extra mile - designed for ease of use. Onboard 5v->3v regulator provides 150mA for power-hungry cards 3v level shifting means you can use this with ease on either 3v or 5v systems Uses a... Add to Cart