New Open Source Hardware board released: BB-TB6612 Dual DC motor controller with PWM to drive small robot cars with 12V up to 1.2A motors

BB-TB6612 is dual channel DC motor controller board it is nice add on for the Robot chassis we have ROBOT-2WD-KIT , ROBOT-2WD-KIT2 , ROBOT-2WDL-KIT , ROBOT-3-WHEEL-KIT and can drive these gear motors: MG-6-120 , MG-6-48  and MG-6V-1:380

The digital logic can be from 2.7 up to 5.5V. The motor voltage can be from 2.5 up to 13.5V.

PWM, CW, CCW, brake-stop, stand-by modes are implemented.

 

Gear motors and accessories for building robot cars are in stock

We got some new toys in stock for robot builders. The MG-12V-1:100-DE and MG12V-1:380-DE are gear motors for robot cars, working at 12V with 78 RPM and 300 RPM . Both have digital encoders which give two channel feedback for the rotation speed, used for identifying the speed and rotation direction. The MG-12V-1:100 and MG-12V-1:380 are lower cost alternatives to those motors but without encoders.

These motors can be attached to a flat surface with MG-FIX.

The MG-WHEEL-43mm are rubber wheels with diameter 43mm and a width 19 mm which attach directly to MG-6V and MG-12V gear motors.

The MG-WHEEL-65mm is rubber wheel with diameter 65mm and width 25mm. It requires a special MG-COUPLER.

 

Robot parts in stock: Heavy Duty Servo, Brackets, Drag Chain, 8mm Linear guide, bushing and fixers.

MS-9.5-55-MG is heavy duty metal gears 9.5 kg.cm servo motor 0-180 degrees for Arduino projects.

MS-DISK-20MM is aluminum disk which allow MS-9.5-55-MG servo to be connected to MS-BRACKET, MS-BRACKET-U, MS-BRACKET-W and MS-BRACKET-L and allow complex combination with different degrees of freedom.

DRAG-CHAIN-10×10 and DRAG-CHAIN-7×7 are plastic wire guide for CNC X-Y tables.

HSS-8-500MM is surface hardened Stainless Steel linear guide which is with 8 mm diameter and cut to 500 mm length. It’s essential part of every CNC project and can be used with SUPPORT-SHF8 , SUPPORT-SK8, 608ZZ , KFL08, KP08 , SC8UU bearing, BUSHING-15×12-8 and FIX-RING-8.

 

 

eduArdu-BotKit transforms your eduArdu in small bot

eduArdu-BotKit consist of two continual rotation servo motors, two 32mm wheels, ball wheel and converts eduArdu in small robot:

Here is small video clip of small demo how to control eduArdu robot with clap of your hands.

Rockchip is releasing low power SOC with NPU targeting deep learning.

We are hacking cheap Chinese soldering robot aiming to make it usable with camera fiducials and solder joint inspection. I shared some info on Hackaday 2018 Belgrade conference.

As we want to make the robot easy to use we are looking around for capable SOC with Deep Learning capability. It seems the only embedded available solution now is nVidia.

Allwinner has put in their V5 SOC info about AI and Trensorflow support, but looking at info for the only available board on the market it looks just statement and no actual implementation.

The AI they advertise looks more like OpenCV / Tensorflow lite libraries using the V5 GPUs, but not real NPU.

Rockchip seems to be this time a little bit ahead of Allwinner and has released RK1808 and RK3399pro SOCs.

Some info also start to appear in their rockchip-linux repositories.

We got RK1808 brief datasheet and here are the SOC internals:

• Dual core Cortex-A35
• Internal 2MB SRAM
• DDR 32-bit data width, 2 ranks max 2GB of DDR3/DDR3L/LPDDR3/LPDDR3L -1600
• Neural Process Unit with 512KB internal buffer and Support for: max 1920 Int8, max 192 Int16 and max 64 FP16 MAC operations per cycle
• eMMC 4.5 1-4-8 bit max 150MB/s
• SD/MMC support
• SPI Flash x1-4-8 data
• video encoder/decoder up to 1080p
• video input DPI 8-10-12-16 bit up to 150MB/s
• camera input MIPI CSI up to 4 data lane, 2.0Gbps, MIPI-HS, MIPI-LP
• LCD RGB 8/8/8 up to 1280×800@60fps
• MIPI DSI 1920×1080 up to 4 data lane, 2.0GbpsA
• Audio I2S
• Gigabit Ethernet
• USB2.0 HOST/OTG
• USB3.0 5Gbps
• PCIe 1/2 links with 2.5Gbps per link
• SPI, I2C, UART
• x4 10bit SAR ADC 1Msps
• -40+125C operating temperature, targeting automotive and industrial vision apps

This chip is definitely not hobby friendly with FCCSP 420 0.3mm balls spaced at 0.5/0.35mm!

Price info is not available yet. First evaluation boards will be ready end of March 2019. Rockchip will sell SDK with the NPU API also at unknown yet price.

Rockchip also upgraded their RK3399 including inside RK1808 and naming it RK3399Pro.
They keep the same RK3399 ball layout, so people who already made RK3399 boards can upgrade with RK3399Pro without changing lot on their PCB layout.

How they do it? They bond RK1808 in the same package and connect RK3399 with RK1808 via USB3.0 this is why RK3399Pro has NO externally available USB3.0:

How they will manage power dissipation when they put together two quite power hungry chips is yet to be seen. RK3399 alone requires quite big heatsink as it dissipates up to 20W when the Cortex-A72 cores are running.

New Robotics and CNC products in stock

We have now in stock many new Robotics and CNC components:

KITS:

ROBOT-2WDL-KIT Robot platform with two motors with wheels and encoders

ROBOT-LINE-FOLLOW Robot platform with analogue line follower

 

Micro motors:

MOTOR-200806 12000 rpm brush motor working at 3-6VDC

MOTOR-F1607 small drone motor with fan working on 3-6VDC and speed up to 50 000 rpm

VIBRATING-MOTOR-3X8 small vibrating motor only 3×8 mm size! you can use it to build small bug robot 🙂

 

Stepper motors:

SM-17HS4023 Stepper motor for CNC XY table or 3D printer 42x42x23mm

SM-42HB34F08AB Stepper motor for CNC XY table or 3D printer 42x42x34mm

SM-5VDC-DRV Stepper motor with 1:64 gear and driver!

SM-60SL Stepper motor with 48 mm screw

Robot hand:

ROBOT-GRIP Robot hand which works together with servo motor to open and close

Gear motors:

MG-12V-M4X55 Gear motor with M4x55mm screw can be used for small CNC table or Door lock/unlock mechanism.

MG-6V-1-380 Very compact Gear motor 6VDC 30 RPM can be used for blinder open, close

CARDAN-5X8 and CARDAN-5X5 Free joint for Boat fan or blinders open/close

Linear guides:

LINEAR-GUIDE-400MM Linear slide with 400 mm length

SCREW-T8X8-300MM Trapeziodal screw with brass nut 300 mm

Shaft support:

SK8, SK10

SHF8, SHF10, SHF12

Wide range of Micro Bearings

GT2 Pulleys and Belts:

Aluminum frame corners for 20×20 , 30×30 and 40×40 profiles:

 

Strong neodymium magnets 30x10x3 and 10x10x10:

Lot of Robot and CNC parts are now in stock stocked.

We needed these for our own projects development, but decided that other may need these in small quantities as well, so decided to stock:

Linear Guides,

Bearings,

Stepper Motors,

Couplers,

Shaft supports

New Robot Chassis in stock: ROBOT-2WD-KIT2

We have new Robot Chassis in stock! It’s with two gear motors, two aluminum plates, free castor wheel, two 60 mm wheels attached to the motors, all necessary fittings.

The assembly is very simple:

The castor wheel is attached to bottom plate:

To the gear motor is attached small aluminum plate:

then the 60 mm wheel:

Four heximal spacers are assembled to the plate with the castor wheel:

Then the two gear motors aluminum plates are fixed between upper and bottom plate:

and the chassis is ready!

Now we are thinking for possible custom control board with these features:

• Arduino like main board allowing easy re-programming
• Motor drivers
• Motor encoders which to give feed back to Arduino with photo interrupters
• LiPo Battery charger and step up converter for motor and Arduino powering
• UEXT for ESP8266 WiFi
• two sockets for Ultrasonic distance sensors on the two sides of the castor wheel
• (optional RT5350F-OLinuXino with camera)
• connectors for optional servo motors for robot hand
• UEXT second connector for attaching more sensors

Let us know if we missed something 🙂

HIWR – Open Source Robot made with A13-OLinuXino

Meet Hiwr an Open Source Robot with A13-OLinuXino, A13-LCD7TS , running ROS (Robot OS). The site still have no all information about the assembly but the 3D printed components are there and the different software modules are linked to GitHub.

Good job 🙂