1) Compatibale with Raspberry Pi 3 Model B,2 Model B and 1 Model B+.
2) For any Arduino board whose mounting holes are the same with For Arduino UNO and Mega 2560 can be fixed upon this Holder with screws.
3) Be able to fix the 400 points and 800 points self-adhesive breadboard.
4) There are M3 fixing holes in the middle which can be used to fix the RAB Holder upon your experiment table.
5) Size:200*135mm ->7.87inch * 5.31inch.
- Technical Details Introduction
RAB Holder, also called Raspberry Pi, For Arduino and Breadboard Holder. Presumably you can know its function from the name. It can ensure the security of your demoboard and avoid placing the demoboard on the desk freely to cause short cut. The RAB Holder also simplifies your experiment when you are building a complex circuit. There are three zones on the RAB Holder and each has a name on it. We have made some slots in the zone that used to fix the Raspberry Pi to make the use more comfortable.
A screwdriver is provided for you to install the Raspberry Pi and for Arduino board onto the holder with screws.
There’s no doubt Arduino has quickly become the world’s most popular do-it-yourself microcontroller board system, thanks to its simplicity, versatility and surprisingly low cost. But the key to that versatility is its Shield header that allows daughter boards or ‘shields’ to extend the Arduino’s functionality. In the last project, we built a digital clock project using the popular 1602 alphanumeric LCD shield and it’s hopefully had your mind ticking over with other ideas and possibilities. This month, we’re going a step further, introducing a new low-cost shield that incorporates a 320 x 240-pixel TFT LCD touchscreen.
The ST7781 is a single-chip controller/driver for 262K-color, graphic type TFT-LCD. It consists of 720 source line and
320 gate line driving circuits. This chip is capable of connecting directly to an external microprocessor, and accepts,
8-bits/9-bits/16-bits/18-bits parallel interface. Display data can be stored in the on-chip display data RAM of 240x320x18
bits. It can perform display data RAM read/write operation with no external operation clock to minimize power
consumption. In addition, because of the integrated power supply circuits necessary to drive liquid crystal, it is possible to
Serial port bluetooth, 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 to your embedded project and etc.
And now, we provide HC-05 and HC-06. HC-05 could be setting to Master or Slave by user. HC-06 has be designed Master or Slave when the factory, user couldn't change the role.
Feature :
Bluetooth protocal: Bluetooth Specification v2.0+EDR
This is a very low cost break out module for the ADXL335 tripple axis accelerometer. This module includes optional header pins and provides easy access to the X, Y and Z axis analogue outputs from the accelerometer.
It is capable of sensing forces up to 3g in all axis. A 3.3V on-board regulator is also provided allowing the module to be powered from a 3.3 to 5V power supply source.
Model number: HCMODU0070
Supply Range: 3V ~ 5V
3 Axis sensing
Full scale range: +/-3g
Sensitivity: 300mV/g (Typ)
Pinout, schematic and datasheet available after purchase.
* Contents
- Connect
Arduino Uno
3.3V ----- VCC
----- AREF
ADXL335
VCC ----- 3.3V
X-OUT ----- A0
Y-OUT ----- A1
Z-OUT ----- A2
GND ----- GND
- Key Code
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,20,4); // LCD2004
const int xpin = A0; // x-axis of the accelerometer
const int ypin = A1; // y-axis
const int zpin = A2; // z-axis (only on 3-axis models)
void setup()
{
lcd.init(); // initialize the lcd
lcd.backlight();
lcd.print("start LCD2004");
analogReference(EXTERNAL);
pinMode(xpin, INPUT);
pinMode(ypin, INPUT);
pinMode(zpin, INPUT);
delay(1000);
lcd.clear();
}
void loop()
{
lcd.setCursor(0,0);
lcd.print("S057:ADXL335 3axisA");
int x = analogRead(xpin);
delay(1);
int y = analogRead(ypin);
delay(1);
int z = analogRead(zpin);
//zero_G is the reading we expect from the sensor when it detects
//no acceleration. Subtract this value from the sensor reading to
//get a shifted sensor reading.
float zero_G = 512.0;
//scale is the number of units we expect the sensor reading to
//change when the acceleration along an axis changes by 1G.
//Divide the shifted sensor reading by scale to get acceleration in Gs.
The ENC28J60 Ethernet Module utilizes the new Microchip ENC28J60 Stand-Alone Ethernet Controller IC featuring a host of features to handle most of the network protocol requirements. The board connects directly to most microcontrollers with a standard SPI interface with a transfer speed of up to 20MHz.
ENC28J60 Ethernet chips, SOP28 package
SPI Interface
2X5 connector, can be easily mounted with the MCU
Power indicator
Single Supply: +3.3 V
PCB size: 55x36 mm
* Contents
- Connect (Uno)
VCC - 3.3V
SCK - Pin 13
SO - Pin 12
SI - Pin 11
CS - Pin 8 # Selectable with the ether.begin() function
GND - GND
- Connect (Mega)
VCC - 3.3V
GND - GND
SCK - Pin 52
SO - Pin 50
SI - Pin 51
CS - Pin 53 # Selectable with the ether.begin() function
# The default CS pin defaults to 8, so you have to set it on a mega:
