The InvenSense MPU-6050 sensor contains a MEMS accelerometer and a MEMS gyro in a single chip. It is very accurate, as it contains 16-bits analog to digital conversion hardware for each channel. Therefor it captures the x, y, and z channel at the same time. The sensor uses the I2C-bus to interface with the Arduino.
The MPU-6050 combines both an accelerometer and a gyro.
Details:
The power supply: 3-5 v (internal low voltage difference voltage stabilizing)
Communication: standard IIC communication agreement
Chip built-in 16 bit AD converter, 16 bits of data output
A4988 DMOS Microstepping Driver with Translator and Overcurrent Protection. This stepper motor driver lets you control one bipolar stepper motor at up to 2 A output current per coil. Here are some of the driver’s key features:
Simple step and direction control interface
Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step
Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motor’s rated voltage to achieve higher step rates
Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)
Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection
Short-to-ground and shorted-load protection
Heat sink included
This product ships with all surface-mount components—including the A4988 driver IC—installed as shown in the product picture.
This product ships individually packaged with 0.1″ male header pins included soldered in.
The Arduino Leonardo is a microcontroller board based on theATmega32u4 . It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.
The ATmega32u4 has built-in USB communication, eliminating the need for a secondary processor. This allows the Leonardo to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port.
Details:
Microcontroller
ATmega32u4
Operating Voltage
5V
Input Voltage (recommended)
7-12V
Input Voltage (limits)
6-20V
Digital I/O Pins
20
PWM Channels
7
Analog Input Channels
12
DC Current per I/O Pin
40 mA
DC Current for 3.3V Pin
50 mA
Flash Memory
32 KB (ATmega32u4) of which 4 KB used by bootloader
JJrobots´s Brain SHIELD. Created to simplify the set up and integration of all the different devices involved in the jjrobots projects.
This SHIELD has:
TWO stepper motor OUTPUTs
TWO SERVO OUTPUTs
I2C communications
Push button (customisable)
SENSOR port (SONAR, IR…)
ESP12-E (ESP8266) WIFI module (you can communicate to this SHIELD from any smartphone/tablet/PC using it)
Some OPEN robots you can create with this Brain Shield:
B-ROBOTEVO2 is a remotely controlledself-balancing arduino robot created with 3D printed parts. With only two wheels, B-ROBOT is able to maintain his balance all the time by using his internal sensors and driving the motors. You can control your Robot, making him moving or spinning, by sending command through a Smartphone, Tablet or PC while he keeps the balance.
The fastest self balancing robot (remotely controlled using your smartphone). Take a look to its skills!
The iBoardbot is an internet controlled robot capable of writing+drawing (and wiping!) on a glass surface.
Remotely controlled Torch/ Laser robot: Laser pointer is a remotely controlledArduino robot created with 3D printed parts. With only two servos, this robot is able to point any object in the X and Y axis.
Sphere-O-Bot: The Sphere-O-bot is a friendly art robot that can draw on spherical or egg-shaped objects from the size of a ping pong ball to a large duck egg (4-9 cm).
Many more to come!
NOTE: There are FULL ROBOT KITSready to be sent to you in the SHOP (scroll down to the very end of this page to see them too)
JJrobots´s B-ROBOT EVO 2 Kit. Created to simplify the set up and integration of all the different devices involved in this project.
This COMPLETE VERSION includes all the electronic and hardware components required to create the B-Robot. You just need to assemble everything (optional 3D parts)
Create very differentOPEN SOURCE robots using the sameelectronics and ancillary elements. Everything can be modified, Hacked and customised!
STEM education robotic KIT: In addition to being fun, the MOST AWESOME ROBOTIC STEM KIT engage beginners and advanced students and incorporate many of the fundamental STEM concepts providing a learning platform that everyone enjoys
Do you think you can improve or hack any of these robots? Do it! They are OPEN SOURCE robots, so all the info,know how and code is available for everyone. Share the knowledge! (and take a look at the JJrobots FORUM)
The robots you can create with this KIT:
The iBoardbot is a robot connected to the internet capable of writing texts and drawing with great precision. Also, it can erase in a quick and effective way. Send to your iBoardbot your information from any part of the world. As it has a multi-user interface you can also play and challenge your kids, use it as a collaborative notice board or as a twitter wall in your shop window.
This is a remotely controlled torch pointer (it can be changed for a Laser pointer). It can be moved from your smartphone using the JJrobots FREE app available in Google Play
The fastest self balancing robot (remotely controlled using your smartphone). Take a look at its skills!
The Sphere-O-Bot is a simple 2 axis drawing machine that can draw on most spherical surfaces. You can use it to decorate balls or eggs.
More robots to come using the same elements+electronics! (we are working on more cool projects…)
This is the motor used in every jjRobot. You liked the motors that came with your kit and want another pack of two? Do you like its sturdiness and its connector (forget to solder every time you have to change the cable length) ? This is the perfect stepper motor for MAKERs and Robots enthusiasts.
Select the cable you want with each motor for free!
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