LCD 16x2 Character Display, White on Blue Background, 5V
This is a basic 16 character by 2 line display. White text on Blue background. Utilizes the extremely common HD44780 parallel interface
..
LED Blue 5MM - 17mm (10 Pack)
LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays.
This is a very basic 5mm LED with a blue l..
Shield, Bluetooth (Slave) V2.1
This Bluetooth shield is a serial port Bluetooth module (Slave) breakout board that uses the popular HC06 module. This shield plugs directly into the Arduino and u..
Bluetooth HC06 Bare Module
Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC t..
BTBee Pro
BTBee Pro is a serial port Bluetooth module which can be compatible with the shields which with XBee sockets. It's designed for Bluetooth wireless transfer. It supports Slave and Master m..
Wire 30AWG PVC - Blue 305M
This ultra thin wire is great for wiring of projects and prototypes. It is the thinnest wire we carry. This spindle comes with +/- 305m of wire. The wire is eas..
LED SMD Red, Blue and Green Size 1206 (30 Pack)
More and more hobbyists taking advantage of surface mount technology these days. With affordable tools electronics enthusiasts are shrinking their pr..
Vernier Digital - Blue
Digital calipers are a essential tool when you are planning and prototyping a project. Here at Micro Robotics we use them all the time. These premium cal..
LCD 20x4 Character Display, White on Blue, 5V
This is a basic 20 by 4 line display. White text on Blue background. Utilizes the extremely common HD44780 parallel interface chipset. 5V Logic Level
..
NodeMCU ESP8266 - Original AI Thinker
This is the NodeMCU development board based on ESP8266, features WiFi connectivity, onboard CP2102 and keys. What's more, all the pins of ESP-12E module are a..
Bluetooth Audio Module
XS3868 is a highly integrated, low cost, low power Bluetooth stereo sound audio modules comply with Bluetooth 2.0 specification. Support A2DP V1.2, AVRCO V1.4 profiles, integ..
Bluefruit LE Shield - Bluetooth LE for Arduino
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 ..
Mini Keyboard - Cable + Bluetooth
This compact QWERTY keyboard with touchpad, provides comfort combined with the freedom of wireless connectivity. Easily connect to all of your favorite devices wit..
HC05 Bluetooth Module Wireless Serial Port Module for Arduino
Quick Spec
HC-05 bluetooth module
Module port level is 3.3v
Led indicators: fast flash for no connection, slow flash f..
Knob Black - Blue Insert (2 Pack)
Knobs are a great way to finish off your project and make it easier to adjust the level of your death ray. This knob mates to a 6.35mm shaft with a set screw.
..
Knob Pedal Blue (2 Pack)
Knobs are a great way to finish off your project and make it easier to adjust the level of your death ray. This knob mates to a 6.35mm shaft with a set screw.
Quick Spec
..
SparkFun Simblee Bluetooth Low Energy Breakout
The SparkFun Simblee BLE Breakout board is a programmable board that allows you to add mobile app functionality via Bluetooth Low Energy (BLE, or Blue..
SIP 40 Way Header Kit - Blue
We sell our new range of male female sip connectors in various colours. The SIP 40 way header connector kit is very versatile connector set when prototyping or building..
OLED 0.96" Display I2C Interface White
These displays are small, only about 24mm diameter, but very readable due to the high contrast of an OLED display. This display is made of 128x64 individual w..
OLED 0.91" Display I2C BLUE
These displays are small, only about 12.0mm x 39mm, but very readable due to the high contrast of an OLED display. This display is made of 128x32 individual blue OLED pi..
Lcd 2x16 White on blue - dip 16 pin interface
Quick Spec
16x2 characters, 16 characters per line, you can display 2 lines
The parallel communication, double side interfaces supports 3...
HM-10 Bluetooth 4.0 Low Power master/slave Module
The HM-10 is a Bluetooth 4 Low Power module and is capable to communicate with BLE capable devices (e.g. iPhone and iPad). It is fully configurable..
Product Discontinued by ManufacturerBluetooth Audio Receiver and Playback Module (Bluetooth 4.0)
This Bluetooth Audio receiver module includes a USB port and TF card slot. With a pre-amp output, yo..
ESP32 WROOM 32 Wifi Module - 4M Flash
ESP32-WROOM-32 is a ultra high performance Wi-Fi+BT+BLE MCU module that targets a wide variety of applications, ranging from ultra low-power
sensor networ..
7-Segment Display - 20mm (Blue)
These 20mm 4-digit 7-segment displays are big enough to see from a distance but not so big that you’d have trouble finding an enclosure for them.These common-cathode..
SparkFun nRF52832 Breakout - Bluetooth Low Energy (BLE) - Arduino Core
The nRF52832 is Nordic Semiconductor’s latest multiprotocol radio System on Chip (SoC). It’s half microcontroller, with a list o..
Bluetooth 4.0 NRF51822 Eval Kit
NRF51822 Eval Kit is a development/evaluation kit designed for nRF51822, consists of the mother board BLE400 and the wireless module Core51822. Onboard battery holde..
Bluetooth 4.0 NRF51822 Core Board, Small Factor
Core51822 (B) is a wireless module based on nRF51822 - the Multiprotocol Bluetooth® 4.0 low energy/2.4 GHz RF SoC designed for ULP (ultra low power) ..
Bluetooth 4.0 NRF51822 Core Board
Core51822 is a wireless module based on nRF51822 - the Multiprotocol Bluetooth® 4.0 low energy/2.4 GHz RF SoC designed for ULP (ultra low power) wirelesss applicat..
LED Battery Indicator (Blue)
Originally designed as a battery level indicator, this LED module could be used for all sorts of things. Contains five internal LEDs with a common-cathode and the "batt..
SIM808 GPRS/GSM + GPS + Bluetooth
SIM808 GPRS/GSM+GPS Shield is a GSM and GPS two-in-one function module. It is based on the latest GSM/GPS module SIM808 from SIMCOM, supports GSM/GPRS Quad-Band n..
Membrane 4x3 Keypad
Membrane keypads has no mechanical moving parts besides the soft click of the membrane when pressed. The small compact keyboards offer protection against dust and moist. These m..
Membrane Matrix Keypad With The Raspberry Pi Video Tutorial
This 16-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a si..
Adafruit Blue & White 16x2 LCD + Keypad Kit For Raspberry Pi
This new Adafruit Pi plate makes it easy to use a blue and white 16x2 character LCD . Unfortunately, these LCDs do require quite a f..
Red, Green, Blue, & White Membrane Switch Kit
Shipping List
1 x Red Membrane Switch
1 x Green Membrane Switch
1 x Blue Membrane Switch
1 x White Membrane Switch..
TM1637 4 Digit 0.35 inch Display - Blue
The very popular TM1367 LED scan controller makes controlling the 4 digit seven segment so much easier. The display modules has 4 pins, VCC, GND, Clock and D..
Matrix Blue LED 8x8 Module
This is a super cool 8x8 Dot Matrix Led display based on the MAX7219 and measures 32x32mm.
Quick Spec
Pixel Array: 8X8
Color: Blue
Chipset : MAX7219..
Mini Voltmeter, 2.4-30V, Blue LED
Mini size, DC 2.4~30V, break the conventional voltmeter, new design, can work for 3V, 5V, 9V, 12V, 24V, no need to stable voltage. With standard leading cable, conv..
GSM SIM868 HAT for Raspberry Pi
This is a handy, Raspberry Pi HAT which features multi communication functionalities: GSM, GPRS, GNSS and Bluetooth.
It allows your Pi to easily make a telephone call..
PYCOM WiPy 3
WiPy 3.0 is Pycom’s updated enterprise grade IOT development platform. The tiny MicroPython enabled WiFi & Bluetooth IoT development platform. With a 1KM WiFi range, state of the art..
PYCOM LoPy 4
The LoPy4 is a quadruple bearer MicroPython enabled development board (LoRa, Sigfox, WiFi, Bluetooth) – perfect enterprise grade IoT platform for your connected Things. With the latest E..
HM-10 4.0 Bluetooth Module
The HM-10 is a Bluetooth 4.0 Low Power module and is capable to communicate with BLE capable devices (e.g. iPhone and iPad). It is fully configurable by a rich and well doc..
Graphic Display 12864 White on Blue - 5V/3.3V (Graphic and Text)
This is a framed type LCD graphical 128x64 with LED backlight.ST7920 controller type LCD with a simple command interface.
This ..
LED DC Voltmeter 3-600V - Blue
This is a LED voltmeter that can give a reading from 0-600V DC. The case around the voltmeter allows it to be waterproof as well as protection against any physical dama..
Bluetooth 5 Receiver, RCA Out
This Bluetooth receiver enables audio streaming from your tablet or smartphone wireless to headphones, home theater, or speaker system with R/L audio or 3.5mm audio outp..
7 Segment - Blue 1.8" Common Cathode
If your looking for digital indicators and numeric displays, for your project, these 7 segment displays will be able to get the job done.
Quick Spec
1.5..
7 Seg Display - 0.56" Common Cathode - Blue
7-segment displays are really neat little devices. This display has 7 individual segments
and one decimal point all wired to a common cath..
Wave Xbee Bluetooth - Dual Mode
Dual-mode Bluetooth is a wireless module that allows bi-directional transparent data transfer between the TTL serial and Bluetooth devices. It is designed to be master..
Qwiic OLED 0.66" 64X48 - Blue on Black
The SparkFun Qwiic Micro OLED Breakout is a Qwiic-enabled version of SparkFuns' popular Micro OLED display! The small monochrome, blue-on-black OLED screen pres..
Wave 0.96" OLED - Blue
If you need a display for your arduino projects, the 0.96" OLED display will work great! The default interface is I2C, and the resolution is 128x64.
This OLED display is 1/4 Y..
Voltmeter DC 0-50V, Size 0.36 inch, 5 Digit, LED Blue
This is a Digital Voltage Meter/Tester which is able to measure the power supply voltage. The application uses are industrial equipment, elec..
Rocker Panel Mount Switch 12v - LED Blue
These panel-mounting rocker switches have built-in indicator lights to let you know when your switch is engaged. They mount into a 20.2mm diameter hole and ..
OLED 2.42" - Blue - SPI Interface
This is a 2.42 inch OLED display module of 128x64 resolution. These OLED graphic displays offer very good contrast and require no back lighting. The screen can ach..
