Piezo Buzzer – PS1240 $0.95 Piezo buzzers are used for making beeps, tones and alerts. This one is petite but loud! Drive it with 3-30V peak-to-peak square wave. To use, connect one pin to ground (either one) and the other pin to a square wave out from a timer or microcontroller... Notify Me
Arduino Compatible Digital and Analog Microphone/Sound Sensor Module (LM393) $2.95 4pin Mini Voice Sound Sensor Module Microphone Sound module - LM393 Chip This sensor emits a signal if the microphone of the sensor detects a noise. The sensitivity of the sensor can be adjusted by means of a controller... Add to Cart
Arduino Compatible Digital Temperature Humidity Sensor Module (DHT11) $4.45 This is a digital temperature and humidity sensor module that works with all of the Arduino micro-controllers. Because it is a digital sensor it only necessitates 3 connections, Vcc, GND, and a digital pin for data output. With this sensor you get two... Add to Cart
1-Channel Relay Module for Arduino & Raspberry Pi (Keyes) $3.45 Operating Voltage: 5V With LED indicates relay status Control terminal, low level pull, high level relay release Great for DIY project Add to Cart
Arduino Compatible Tap/Knock Sensor $2.95 This is a digital Tap/Knock sensor on a small circuit board that is designed to work with all of the Arduino boards. It is easy to incorporate into any project requiring only a 5v supply, ground, and a digital input to measure the sensors readings (High... Add to Cart
7-Segment Display - LED (Red) $0.95 Your basic 7-segment LED. Common anode. Two decimal points, but only the one on the right is wired. Digit height is 0.6". Overall height is 1". Resources Datasheet Arduino Library (Thanks Derek!) Add to Cart
Solderless Zero Dongle for Raspberry Pi Zero $5.45 Connect your Raspberry Pi Zero or Pi Zero W directly to your computer for use as a USB Gadget device (USB Ethernet / Serial / Ethernet+Serial / etc.) or just for power. Works with all public versions of Raspberry Pi Zero. Can also be used with 8086's... Add to Cart
Pro Mini Compatible Board – 5V $8.95 This is an Arduino-comptabile microcontroller ATmega328 running at 16MHz with external resonator (0.5% tolerance) 0.8mm Thin PCB USB connection off board Supports auto-reset 5V regulator Max 150mA output Over current protected Weighs less than... Add to Cart
Arduino Compatible Ultrasonic Distance Measuring Sensor Module (HY-SRF05) $3.95 This is an Arduino Compatible Ultrasonic sensor, it can be used to measure the distance from the sensor to other objects around it. These types of sensors are used on robots for collision avoidance and guidance or as trip sensors for alarm systems or... Add to Cart
Mini 170 Tie Points Breadboard $3.45 Mini 170 Tie Points Prototype Solderless Breadboard Features With self-adhesive tape Suitable for electronic circuit assembly / debugging / training A magic combination breadboard pattern of isolated tie points Dimensions 49 x 37 x 9mm Add to Cart
Nano V3.0 R3 Microcontroller Compatible Board, ATMEGA328P-20AU $9.95 This is Arduino-compatible nano V3.0 ATmega328P-AU microcontroller board It is Nano size, new version Bootloader all ready, just plug in USB and play. Microcontroller: ATmega328 Operating Voltage (logic level): 5 V Input Voltage (recommended):... Notify Me
Riitek Ultra Mini Wireless Keyboard with Mouse Pad – No Laser Pointer $12.95 $14.95 Easily the best looking and most functional Mini Wireless Mouse and Keyboard on the market, the Riitek RT-MWK01X1 Ultra Mini Keyboard is the perfect option for your Raspberry Pi XBMC or slim-line set-up! It’s been tested for full... Notify Me
Micro Compatible Board, ATmega32u4 $8.95 The Micro is an Arduino-compatible microcontroller board based on the ATmega32u4, developed in conjunction with Adafruit. It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHzcrystal... Add to Cart
8×8 LED Dot Matrix Display $3.95 MAX7219 Dot matrix LED Display Module Product Description 1.A single module can drive an 8 * 8 common cathode lattice. 2.Module Operating voltage: 5V. 3.Module size: 5 cm long X 3.2 cm wide X 1.5 cm high. 4.With four screws hole, aperture 3mm,... Add to Cart
Super-bright 5mm IR LED – 940nm $0.99 Infrared LEDs are used for remote controls (they’re the little LED in the part you point at your TV) and ‘night-vision’ cameras, and these little blue guys are high powered ones! They are 940nm wavelength, which is what nearly all... Add to Cart
ESP8266 ESP-12E V1.0 Wifi CP2102 IoT Lua 267 for NodeMCU $7.95 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
Mega 2560 R3 Development Compatible Board $15.95 This is an Arduino-compatible microcontroller featuring the ATmega2560-16U2 chip. Notes Recommended Input Voltage: 7-12V DC Current per I/O Pin: 40 mA DC Current for 3.3V Pin: 50 mA 8KB of Flash Memory is used by bootloader This is an... Notify Me
Uno Compatible Motor Control Shield (L293D Motor Driver) $7.95 This is a motor shield for an Arduino Uno that makes it easy for your Arduino to control various types of motors! All you need to do is attach this to your Uno, run wires from your motors to the respective terminal blocks, and supply some external power... Add to Cart
Compatible LCD Display 2.5″ (LCD 1602) (I2C communication) $6.95 This is a very popular LCD for the Arduino or Freeduino board. It includes a 2×16 LCD display which is backlit in blue. It uses the I2C communications protocol so it is compatible with any Arduino or Raspberry Pi! Key Features: Supports I2C... Add to Cart
LCD1602 Arduino Compatible LCD Keypad Shield $6.95 This is a very popular LCD Keypad shield for Arduino or Freeduino board. It includes a 2×16 LCD display and 6 momentary push buttons. Pins 4, 5, 6, 7, 8, 9 and 10 are used to interface with the LCD. Analog Pin 0 is used to read the pushbuttons. The... Add to Cart