Projects – Hobbybotics Analog Devices AD595 Thermocouple Breakout V1.0

I designed a breakout board for the Analog Devices AD595 Cold-Junction Compensated Type-K Thermocouple interface.  This breakout board is an alternative to the MAX6675 version I detailed here.  Check it out here.

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Projects – Hobbybotics MAX6675 Thermocouple Breakout V1.0

I designed a breakout board for the MAX6675 Cold-Junction Compensated Type-K Thermocouple interface.  My plans are to use the design for various heating control projects such as a Sous-vide cooker, wireless thermostat, smoker controller, beer brew controller, reflow oven and some environmental projects.  Check it out here.

Project – Hobbybotics Motor Controller V1.0

I designed a basic motor controller that is robust, cost effective and able to handle high current. I wanted to take advantage of Pulse Width Modulation (PWM) to allow speed control but keep direction control as simple as possible.  Thus, I use a pair of SPDT relays for direction and a single MOSFET for PWM.  I also use optoisolation to separate digital logic from the back EMF of the motor and relay coils.  Go here to see it.