Latest Articles :

1172015122311PM_thumb.png FTDI chip real of fake ? How to spot a fake RT232R / RT232RL and others ?
image_thumb.png How much power is needed to hover ?
9-18-2015 12-42-51 PM QUICK TIP: How to easily remove Hubsan X4 quadcopter battery

IMU Theory and Experiments

image_thumb.png How much power is needed to hover ?
image.png Inside Coach – Smart Ball IMU Based Technology
image.png Introducing the QuadHybrid – a stable, maneuverable and cheap flying robotic platform
global_local_frames DCM Tutorial – An Introduction to Orientation Kinematics
IMG_1485 Upgrade your RC Transmitter with a DIY Tilt Motion Control Module

Motion Sensing USB Devices

11-26-2012 9-05-22 PM Play PC games the iPad style – Using a PIC with USB, accelerometer and optional Gyroscope
IMG_1116 USB Motion Gamepad Update: wide accelerometer and gyroscope support, configuration utility software
snapshot20081122140658 Accelerometer Controlled Usb Gamepad and Mouse using PIC18F2550 / PIC18F4550

USBThumb

image_thumb.png Quicktip: Program your RC transmitter with UsbThumb
11-26-2012 9-07-12 PM Updating Firmware on USBThumb
4433017469_315f149586 Using USBThumb as a Propeller Programmer and as a USB to Serial Converter

Robotics

image.png RC Crawler Truck as Robotic Platform: Part 1 – upscale from 1/8 size to ~ 1/5 conversion, now able to climb on stairs
image.png Introducing the QuadHybrid – a stable, maneuverable and cheap flying robotic platform
IMG_1084 Build a 8A (4A per motor) dual motor driver for under $10. Introducing OctoDriver – poor man’s motor controller.
IMG_0891 Stereo Vision with OpenCV and QT

Multirotors

image_thumb.png How much power is needed to hover ?
wpid-20150814_135809.jpg My plateless Anti-vibration mounts
image.png Introducing the QuadHybrid – a stable, maneuverable and cheap flying robotic platform
IMG_1466 Quadcopter Prototype using Acc_Gyro and a PIC

Soldering and DIY Fabrication

20140101_202821.jpg Probotix X90 CNC – Cutting Servo Mounts in Sintra PVC Foam Board
11-26-2012 9-12-08 PM Use extra-long headers to hold a board on a pogo pins testing jig
IMG_0676 DIY Surface Mount on a Budget – Complete Walkthrough from PCB etching to Reflow
IMG_0224_crop Soldering a wire to fine pitch (0.3mm) SMT devices
IMG_0098_crop Reverse Surface Mounting of Small Leadless SMT Components

Benchmarks and Reviews

20140101_202821.jpg Probotix X90 CNC – Cutting Servo Mounts in Sintra PVC Foam Board
20130823_183427_thumb.jpg Build a really fast pulse generator (50ps rise time) using an ultra fast SiGe comparator.
5-15-2013 11-02-14 AM Shpero – a robotic project success story
IMG_6976_thumb.jpg Tenma 72-7740 Autorange Multimeter Review
image USB firmware debugging with USBTrace, PicKit & MPLAB IDE

Tricks and Tips

1172015122311PM_thumb.png FTDI chip real of fake ? How to spot a fake RT232R / RT232RL and others ?
9-18-2015 12-42-51 PM QUICK TIP: How to easily remove Hubsan X4 quadcopter battery
9-17-2015 8-13-09 PM UNI-T UT61E Multimiter Serial Protocol Reverse Engineering
wpid-20150814_135809.jpg My plateless Anti-vibration mounts
6-14-2015 5-19-11 PM Removing stubborn 3D prints from bed (my way of doing it)

Fun Projects

image.png Inside Coach – Smart Ball IMU Based Technology
image.png RC Crawler Truck as Robotic Platform: Part 1 – upscale from 1/8 size to ~ 1/5 conversion, now able to climb on stairs
image.png Introducing the QuadHybrid – a stable, maneuverable and cheap flying robotic platform
trickster Trickster Mouse Emulator – April Fools Day Practical Joke
IMG_0060 Use your TV Remote To Turn On Your Computer

News and Discussions

image.png Inside Coach – Smart Ball IMU Based Technology
radioshack Kickstater Campaign To Buy Off Radioshack stock and Convert To Maker Places
image.png Learn Git in 15 minutes by practice.
5-15-2013 11-02-14 AM Shpero – a robotic project success story
10-17-2011 8-59-48 PM Some (Free!) Feedback for TI MSP430 LaunchPad’s Development and Marketing Team