Latest Articles :

FTDI chip real of fake ? How to spot a fake RT232R / RT232RL and others ?
How much power is needed to hover ?
QUICK TIP: How to easily remove Hubsan X4 quadcopter battery
UNI-T UT61E Multimiter Serial Protocol Reverse Engineering
My plateless Anti-vibration mounts

IMU Theory and Experiments

How much power is needed to hover ?
Inside Coach – Smart Ball IMU Based Technology
Introducing the QuadHybrid – a stable, maneuverable and cheap flying robotic platform
DCM Tutorial – An Introduction to Orientation Kinematics
Upgrade your RC Transmitter with a DIY Tilt Motion Control Module
Arduino code for IMU Guide algorithm. Using a 5DOF IMU (accelerometer and gyroscope combo)
A Guide To using IMU (Accelerometer and Gyroscope Devices) in Embedded Applications.

Motion Sensing USB Devices

Play PC games the iPad style – Using a PIC with USB, accelerometer and optional Gyroscope
USB Motion Gamepad Update: wide accelerometer and gyroscope support, configuration utility software
Accelerometer Controlled Usb Gamepad and Mouse using PIC18F2550 / PIC18F4550

USBThumb

Quicktip: Program your RC transmitter with UsbThumb
Updating Firmware on USBThumb
Using USBThumb as a Propeller Programmer and as a USB to Serial Converter

Robotics

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

Multirotors

How much power is needed to hover ?
My plateless Anti-vibration mounts
Introducing the QuadHybrid – a stable, maneuverable and cheap flying robotic platform
Quadcopter Prototype using Acc_Gyro and a PIC

Soldering and DIY Fabrication

Probotix X90 CNC – Cutting Servo Mounts in Sintra PVC Foam Board
Use extra-long headers to hold a board on a pogo pins testing jig
DIY Surface Mount on a Budget – Complete Walkthrough from PCB etching to Reflow
Soldering a wire to fine pitch (0.3mm) SMT devices
Reverse Surface Mounting of Small Leadless SMT Components

Benchmarks and Reviews

Probotix X90 CNC – Cutting Servo Mounts in Sintra PVC Foam Board
Build a really fast pulse generator (50ps rise time) using an ultra fast SiGe comparator.
Shpero – a robotic project success story
Tenma 72-7740 Autorange Multimeter Review
USB firmware debugging with USBTrace, PicKit & MPLAB IDE
Hakko 808 Desoldering Tool Review
Exploring a digital I2C/SPI accelerometer (MMA7456L) with Bus Pirate
Accelerometer Experiments – Part 2: LIS331AL and DE-ACCM2G (ADXL322) . Filters, amplifiers and vibration response.
Accelerometer Experiments – Part 1: DE-ACCM2G (ADXL322), LIS244AL, Pololu MMA7260QT

Tricks and Tips

FTDI chip real of fake ? How to spot a fake RT232R / RT232RL and others ?
QUICK TIP: How to easily remove Hubsan X4 quadcopter battery
UNI-T UT61E Multimiter Serial Protocol Reverse Engineering
My plateless Anti-vibration mounts
Removing stubborn 3D prints from bed (my way of doing it)
RC Crawler Truck as Robotic Platform: Part 1 – upscale from 1/8 size to ~ 1/5 conversion, now able to climb on stairs
Quicktip: Program your RC transmitter with UsbThumb
Build a really fast pulse generator (50ps rise time) using an ultra fast SiGe comparator.
USB firmware debugging with USBTrace, PicKit & MPLAB IDE
Add a simple mechanical fine tune control to any bench instrument without voiding warranty

Fun Projects

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

News and Discussions

Inside Coach – Smart Ball IMU Based Technology
Kickstater Campaign To Buy Off Radioshack stock and Convert To Maker Places
Learn Git in 15 minutes by practice.
Shpero – a robotic project success story
Some (Free!) Feedback for TI MSP430 LaunchPad’s Development and Marketing Team
Arduino – to clone or not to clone ?
Radioshack Replies
IMU breakout boards from ST
ST launches Multi sensor application (MuSA) board platform
Wake-up letter to Radioshack – the hobbyists are back !