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osPID

osPID Kit

osPID Kit

$121.18 $53.10
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Currently Out of Stock at Retail Storefront

The world’s first completely open source PID controller! Completely open source from the hardware design, firmware & software implementation, and enclosure design! Hardware revision:

  • Main board: v1.70
  • Output board (digital output card): v1.70
  • Input board (temperature basic input card): v1.30

Specifications:

  • Main Board
    • Complete Arduino compatible board with ATMega328P-AU (Arduino Duemilanove with ATMega328)
    • 8×2 LCD white character with blue back light & adjustable contrast
    • On board USB-serial port through USB micro connector
    • 1 2×6 edge card expansion slot for input card
      • 1 SPI port
      • 1 I2C port
      • 2 analog input pins
      • 1 digital IO pin (external interrupt capable)
      • 1 external analog voltage reference pin
      • 5V and GND pins
    • 1 2×6 edge card expansion slot for output card
      • 1 SPI port
      • 1 I2C port
      • 3 digital IO pins (1 external interrupt capable)
      • 1 input voltage pin
      • 5V and GND pins
    • 4 push button
    • 1 red LED for power indication
    • 1 yellow LED for system status and operation
    • 1 green LED for USB activity status
    • 1 buzzer with transistor for loud and annoying sound
    • 1 reset button
    • Analog reference voltage with LC filter
    • Auto reset selection through jumper
    • 6 – 17 VDC input range for power
    • Auto power source selection (USB or external DC)
    • 6-pin AVR In-circuit serial programming (ICSP) header
    • Can be slotted into 1/16 DIN panel cutouts
  • Input Card
    • 1 thermocouple type K input port:
      • Temperature measurement range: -200°C to +1350°C
      • Resolution: 0.25 °C
      • Cold junction temperature measurement
      • Based on MAX31855KASA+ chip
      • Thermocouple open and short (ground and supply) detection
    • 1 thermistor input port:
      • External thermistor reference resistor port
      • Thermistor nominal value and coefficient set through front end software
  • Output Card
    • 2 SPST-NO relay 10A 250 VAC (only 1 mounted)
    • 2 Oz copper PCB
    • 1 transistor output pin to drive external SSR with DC control input
    • 1 red and 1 green LED for relay on indication
    • 1 yellow LED for SSR on indication
    • 1 selection jumper to choose either on-board relay or external SSR
  • Enclosure
    • Laser cut enclosure
    • Made from transparent acrylic material

Open source hardware is all about sharing:

Comparable Price Online (US): https://www.rocketscream.com/blog/product/ospid-kit/