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Author Archives: krazatchu
Trigger Trap – Universal Arduino Camera Trigger
UPDATE DEC 6th: Now in Production! See TriggerTrap.com for details… The Trigger Trap is an Arduino compatible universal camera trigger. Supporting out of the box laser, sound and time lapse triggering, the Trigger Trap brings the ease and simplicity of … Continue reading
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Arduino Compatible Line Following Robot
An Arduino compatible line following robot was designed and built in conjunction with the Ottawa Robotics Enthusiasts group: http://www.ottawarobotics.org/. The robot uses QRE1111 reflective IR sensors for line detecting, an ATmega328 running the Arduino bootloader, an on board USB to … Continue reading
Posted in Robotics
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Solder Hotplate
To perform low temperature soldering of laser diodes a hotplate is being designed and built. It consists of two parts, the heater and the controller. The heat source is four 5 ohm 25 watt resisters attached to a half inch … Continue reading
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Hexapod Leg with capacitive postional feedback
A leg system driven by screw coupled to a DC motor. The circuit board consists of rotary capacitive feedback mechanism, micro-controller and DC motor drive. 1) Side View 2) Capacitive feedback (active side) 3) Capacitive feedback (passive side) 4) Perspective … Continue reading
Posted in Robotics
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3.5Hp Leaf Vacuum
Updates: The leaf vacuum was recently featured on woodgears.ca. You can find more pictures and details at http://woodgears.ca/misc/leaf_vacuum.html A leaf vacuum was designed and built as a tribute to the endless pursuit of conserving one’s energy. Based on a material … Continue reading
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Candle holder
This candle stick was turned by hand on a lathe more than ten years ago. The inspiration came from a glass candlestick of similar proportions at a department store.
Posted in Wood
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High Speed Router Mount
A router mount was designed and built to address the shortcomings of my milling machine’s low spindle speed (3600 rpm) for PCB machining. The mount bolts to the head of the mill and accepts a Proxxon router capable of 20,00 … Continue reading
Posted in CNC
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SX3 CNC Milling Machine
My CNC milling machine is controlled via parallel cable from an old P4 laptop running Mach3. Spindle speed is 0-3600 rpm. The linear drive consists of C6 precision ball screws driven by steppers. 1) SX3 CNC mill 2) T-slot dimensions … Continue reading
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LED Flashlight with 1w Constant Current Drive
A constant current LED driver was implemented to power a 1 Watt Cree P4 XR-E providing roughly 85 Lumens @ 350 mA. The constant current SMPS was based on the LTC3490 allowing operation from an input as low as 1 … Continue reading
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9 Watt LED Desk Lamp
A desk Lamp was realized with a 9w LED module, a salvaged Pentium slot heatsink and an AtMega 8. Two switch mode supplies were used, one to provide 5v for the AVR and the other in constant current mode to … Continue reading
Posted in Electronics
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