Friday, December 21, 2012

Arduino Colour TFT Shield


If you ever wanted to add a top quality display to your Arduino project then this shield is for you. Comprising a 128x160 TFT colour display with 18-bit colour, a micro-SD card slot for reading/writing data and a 5-way jog switch (joystick) for menu navigation.
The TFT display uses SPI to communicate with the Arduino so is superfast. We have used the excellent 1.8 in TFT screen from Adafruit which has a wide viewing angle (unlike STN displays), high-quality colour and a high refresh rate. A full graphics library and example code for Arduino is freely available

www.hobbytronics.co.uk/arduino-tft-shield

Thursday, November 22, 2012

Raspberry Pi Serial TTL Ports


Did you know that the Raspberry Pi has drivers installed that support the FTDI FT232RL USB to Serial chip? So if you find you need to add another serial TTL port to your Raspberry Pi you can just plug in one of the above boards to a USB slot and you automatically have another serial TTL port.

Big Easy Stepper Driver


The Big Easy Driver, designed by Brian Schmalz, is a stepper motor driver board for bi-polar stepper motors up to 2A/phase. It is based on the Allegro A4983 stepper driver chip. It's the next version of the popular Easy Driver board.

Each BigEasyDriver can drive up to about 2A per phase of a bi-polar stepper motor. It is a chopper microstepping driver which defaults to 16 step microstepping mode. It can take a maximum motor drive voltage of around 35V, and includes on-board 5V/3.3V regulation, so only one supply is necessary. Although this board should be able to run most systems without active cooling, a heatsink is recommended for loads approaching 2A/phase.

www.hobbytronics.co.uk/big-easy-stepper-driver

LED Tactile Buttons


This is a range of simple LED-illuminated tactile buttons with a coloured caps. It's just like a basic tactile button, but it lights up! So now you can get visual feedback, or light up your project. These have a 12mm body and are rated for 50mA. They don't easily fit into a breadboard, but check below for a breakout board. We have these in a a variety of colors.

www.hobbytronics.co.uk/led-tactile-button-blue

LCD Backpack V2 - I2C and Serial RX


The Hobbytronics LCD Backpack is a useful little board that can be soldered onto the back of LCD’s that use the standard Hitachi HD44780 compatible interface. This allows the LCD (and backlight if fitted) to be controlled directly from a microcontroller using either the I2C interface or via a serial RX connection at baud rates from 2400 up to 115200.
This has a number of advantages
  • Reduces the minimum number of connections needed from 12 (for an LCD with backlight) to only 3 or 4 thus saving many input/output pins on the microcontroller
  • Control an LCD using virtually any microcontroller either through the I2C interface or via a serial RX connection (either in hardware or software)
  • Simplifies wiring
  • Digital control of LCD backlight brightness from off (0) to fully on (250) and any level in between
  • LCD Contrast adjustment potentiometer fitted to backpack
  • Allows the connection of multiple LCD displays to one microcontroller without additional pins.

www.hobbytronics.co.uk/i2clcd-backpack-v2

MP3 Trigger


Make some noise with your next project! The MP3 Trigger board is built to make MP3 sound integration easier than ever. The board has 18 external trigger pins that will directly trigger pre-selected MP3 tracks, and a full-duplex serial control port that provides full transport control, remote triggering for up to 256 tracks, and fast real-time volume control. MP3s are stored on FAT16 formatted SDSC or FAT32 formatted SDHC micro-SD flash memory cards. In addition, optimized code now achieves 192Kbps stereo playback from a wider range of cards than before.
The heart of the MP3 Trigger board is the Cypress PSoC CY8C29466-24SXI microcontroller which serves up MP3 data to a VLSI VS1063 audio codec IC. This version also supports an optional initialization file that can be used to set the serial port baud rate as well as to reprogram any of the 18 trigger inputs to alternate functions, including random and sequential track selection, transport controls and even volume up/down. Each conventional trigger can be set to either allow immediate restarts, or to lock out restarts if audio is playing. Also, a new trigger filename convention provides greater flexibility in naming your MP3 tracks and makes file management easier.

www.hobbytronics.co.uk/mp3-trigger-board

Wednesday, November 7, 2012

MAX7456 On Screen Display Breakout Board


This is a breakout board for the Maxim MAX7456 monochrome on-screen display chip. The board is set up with all supporting circuitry and RCA connectors to allow the user to easily interrupt and overlay text and/or graphics onto a video signal (PAL or NTSC). Just plug in your video signal to "Video In", plug your TV into "Video Out", connect a microcontroller to the SPI interface and supply the board with 5V@100mA (worst case) and you're good to go. Supplied sample code runs on an ATMega168/328 (16MHz) and compiles with WinAVR, so it's just about "plug-and-play" with an Arduino board.

Features:
  • Input voltage 5V
  • Current consumption 100mA, worst case
  • 5V SPI interface
http://www.hobbytronics.co.uk/max7456-on-screen-display

Raspberry Pi GPIO Breakout Board Kit *PRO


Hot on the heels of our standard Raspberry Pi GPIO Breakout Board, we have the Pro version. In the same form factor we have added a 500mA 3.3V voltage regulator to power all of your sensors and devices. The Raspberry Pi uses quite a lot of the onboard regulator's power output leaving very little for anything you may want to connect up that requires a 3.3V supply. So now you have 500mA at your disposal without affecting the Raspberry Pi's power.

Supplied in kit form, it includes the following
  • GPIO Breakout Board PCB with all surface mount components already soldered on
  • 2 x 13 way header pins
  • 26 way IDC box header.
Soldering is required to assemble the kit.

http://www.hobbytronics.co.uk/raspberry-pi-gpio-breakout-pro

Tuesday, October 23, 2012

Arduino Ethernet Shield ENC26J60 Kit


Ok, this one may not be everyone's cup of tea, but if you want a cheap Arduino Ethernet shield, then this is definately for you. It comes as a kit of parts and so is also a great kit for practising your soldering skills on. All components are through hole so all you need is a soldering iron and solder. Building is straightforward and doesn't really need any instructions as all the part locations are clearly labeled on the board. However, instructions are available in the links at the bottom of the page.
The Arduino communicates with the Ethernet Shield using the SPI bus. This is on digital pins 11, 12, and 13 on the Uno and pins 50, 51, and 52 on the Mega. An on board jumper allows use of Digital Pin 10 for chip select, or a handy wire pad can link to any other pin for chip select. 
The Ethernet shield uses the Arduino EtherCard library which comes with many example programs. This library assumes (in the example programs) that pin 8 is being used for chip select, so if you are using the default pin 10 on this board, you need to initialise the card using the extra pin parameter...ether.begin(sizeof Ethernet::buffer, mymac, 10)
Supplied with header pins (not stackable headers) for connection to Arduino, but stackable headers can be used instead, just beware of upper shields conflicting with the RJ45 socket.
Features

  • ENC26J60 based Ethernet
  • Jumper select for 5v or 3v3 operation
  • Includes all components needed.
Documents

Arduino EtherCard library Download
Build Instructions

Monday, October 22, 2012

ArduLog Data Logger V2

This is our own version of Sparkfun's Openlog Data Logger. We wanted a slightly different design so we have made our own, whilst still being 100% software compatable. We even offer it with the Openlog software pre-installed our our own Arduino Data Logging Software.

This is the new Version 2 board which retains the same form factor of the previous board but breaks out an additional 3 pins from the ATmega328 chip. These additional pins allow the connection of analog and digital sensors and other devices to make an ideal standalone data logging board.
The serial and power connections match with the Sparkfun FTDI basic board, so now you can plug it straight in to program it.

Each unit is fully tested

Features

  • ATmega328 running at 16MHz / 3.3V
  • Quality Molex microSD socket for long lasting connections
  • 100% compatable with Sparkfun Openlog software
  • 4x mounting holes (2mm diameter)
  • Two LEDs indicate status
  • Input voltage from 3.3V to 6V
  • Ardulog runs at 3.3V but all pins are 5V tolerant
  • Reprogrammable ATmega328 using the Arduino IDE.
  • Arduino UNO Bootloader installed
  • Datalogging Sensor input connections
    • Up to 4 Analog Input pins for logging analog signals (Arduino pins A1, A3, A4, A5)
    • I2C pins SDA and SCL (on analog pins A4, A5)
    • SPI
    • RX/TX Serial
  • Board size: 30mm x 25mm
http://www.hobbytronics.co.uk/ardulog2

Wednesday, October 17, 2012

6-Pin Chassis Connector - Panel Mount (male and female)


This 6-pin connector and plug set is great when you need to create a robust connection for signal or power. This product consists of two separate parts, the panel-mount jack and the mating plug. The plug has a ring which screws to the panel-mount connector ensuring a solid connection that won't pull off.
The connector uses 6 solder-cup connections for easy wiring. The panel-mount side mounts in a 15.5mm hole with the aid of a lock-washer and nut (both included). The jack uses solder-cup terminals as well and comes apart for easy assembly. It even has a strain relief clamp on the end which clamps down to 5mm for a sturdy connection. Pins are clearly labeled on both jack and connector. 

http://www.hobbytronics.co.uk/6-pin-chassis-connector

Tuesday, October 9, 2012

Graphic ST7565 Negative LCD (128x64) with RGB backlight



This graphical display looks fantastic, at a great price! This display will add the ultimate cool to your project, with a black negative display that has a full RGB LED backlight. You can control with PWM to make any color you can imagine, and it will look stunning with the black inverted (negative) background.
Four mounting holes and a blank 11 pin 2mm-pitch labeled breakout on the side - we just soldered some wire to each hole as shown in the photos, its very easy. (The LCDs have no wires soldered in when we ship them)
Bonus! We're including a free 4050 level shifter chip so that you can safely use it with your favorite 5V microcontroller

Features
  • Serial interface uses only 4 or 5 digital pins
  • Low power, full-color RGB LED backlight
  • Visible in daylight without backlight
  • Works perfectly with 3V logic
  • 21 characters x 8 lines of text can be displayed
  • Display size 2.5in x 1.5in (65mm x 37mm)
  • Overall Board size 3.75in x 2.25in (95mm x 55mm)
http://www.hobbytronics.co.uk/st7565-128x64-graphics-lcd-rgb-neg

RFID USB Reader


The RFID USB Reader is a simple to use, USB to serial base unit for the ID-2, ID-12, and ID-20 readers. Simply plug a reader into the headers and attach a miniUSB cable. Open a terminal program of your choice at 9600bps 8N1, then scan your 125kHz ID tag and the unique 32-bit ID will be shown on the screen. The unit is based on a FTDI chip and comes with a read LED and buzzer.
This new revision uses SMD headers for the RFID module, and has a solder jumper which allows you to disable or enable the buzzer.

Note: This product does not come with the RFID reader. Check Related Products for compatible readers.

Dimensions: 1.4x1.2x0.57"

http://www.hobbytronics.co.uk/rfid-usb-reader

Gyro Breakout Board - LPY503AL Dual 30°/s


This is a breakout board for the ST's dual-axis LPY503AL gyro.  The LPY503AL measures angular velocity along the pitch and yaw axes with a full scale of ±30°/s. Two different analog outputs are provided for both the x- and z- axes - one 1x amplified and the other 4x amplified.

A regulated voltage between 2.7 and 3.6VDC should be supplied to the power pins. We have the filtering circuits all set up; you'll just need to connect the outputs to an ADC, and you're ready to go.

This breakout board includes the gyro and all necessary filtering capacitors as shown. The 1x and 4x amplified outputs of both axes are connected to the 0.1" pitch headers, along with the power-down, self-test, high-pass filter reset, and power pins.
We've revised this board to correct errors with the high-pass filter, so the output should settle when the unit stops moving.

Features:
  • 2.7 to 3.6VDC power supply
  • Dual axis, pitch and yaw sensing
  • 1x and 4x amplified outputs for each axis
  • Low power consumption
  • All necessary filtering components included
  • Access to power-down, self-test, and high-pass filter reset pins
http://www.hobbytronics.co.uk/gyro-lpy503al

2.2in 18-bit colour TFT LCD display with microSD card breakout


This lovely little display breakout is the best way to add a small, colorful and bright TFT display to any project. Since the display uses 3-wire SPI to communicate and has its own pixel-addressable frame buffer, it can be used with every kind of microcontroller. Even a very small one with low memory and few pins available!

The 2.2" display has 220x176 colour pixels. Unlike the low cost "Nokia 6110" and similar LCD displays, which are CSTN type and thus have poor color and slow refresh, this display is a true TFT! The TFT driver (HX8340BN) can display full 18-bit color (262,144 shades!). And the LCD will always come with the same driver chip so there's no worries that your code will not work from one to the other.

http://www.hobbytronics.co.uk/tft-lcd-2-2

EMIC2 Text to Speech Module


Give your project a voice! Designed by Parallax in conjunction with Grand Idea Studio, the Emic 2 Text-to-Speech Module is a multi-language voice synthesizer that converts a stream of digital text into natural sounding speech. Its simple command-based interface makes it easy to integrate into any embedded system. It is by far the best sounding, easiest-to-use TTS module we've ever seen!
Simple to use serial input at 9600 baud makes this board extremely easy to use with any microcontroller.

Key Features:

  • High-quality speech synthesis for English and Spanish languages
  • Nine pre-defined voice styles comprising male, female, and child
  • Dynamic control of speech and voice characteristics, including pitch, speaking rate, and word emphasis
  • On-board audio power amplifier and 1/8” (3.5mm) audio jack
  • Asynchronous 9600 baud serial interface
  • Single row, 6-pin, 0.1” header for easy connection to a host system
Listen to an example sound

Hobbytronics Sound Example Hobbytronics Audio Sample – English (.wav) 

http://www.hobbytronics.co.uk/emic2-text-to-speech