YATC5 – Temperature Controller Assembly Instructions

YATC5 - Temperature Controller Assembly Instructions

The YATC5 is designed to make the fermentation of foods as easy as possible. Version 5 has many unique features. It is available for sale in kit or assembled form.

  • Waterproof – 3′ long temperature probe
  • Datalogging – drop in bluetooth module or TTL serial
  • 100% Open Hardware
  • Digital Display
  • Celsius or Fahrenheit configuration
  • Memory – save settings through blackouts
  • Wide Temperature Range ( -67F to 257F) ( -55C to 125C )

Task 1: Blank PCB (top side)

YATC5 - Temperature Controller Assembly Instructions

Task 2: Blank PCB (backside)

YATC5 - Temperature Controller Assembly Instructions

Task 3: Place and solder 28-pin IC Socket (U1)

YATC5 - Temperature Controller Assembly Instructions

Note:There is a dimple on this device. It should be oriented to the right side of the circuit board.

Task 4: Place and solder slide switches (S1, S2)

YATC5 - Temperature Controller Assembly Instructions

(S1) – Fahrenheit vs Celsius

(S2) – cool vs heat

Task 5: Place and solder (R1, R2, R3)

YATC5 - Temperature Controller Assembly Instructions

300 ohm resistors [orange, black, brown, gold]

Task 6: Place and solder a (R1)

YATC5 - Temperature Controller Assembly Instructions

1k ohm resistor [brown/black/red/gold]

Task 7: Place and solder Diode (D2)

YATC5 - Temperature Controller Assembly Instructions

Note:The black line must be on the right side of the circuit board.

Task 8: Place and solder the 16-pin 595 mux expander chip

YATC5 - Temperature Controller Assembly Instructions

Note:There is a dimple on both devices that needs to be oriented on the right side of the circuit board.

Task 9: Place and solder decoupling capactiors (C1, C2)

YATC5 - Temperature Controller Assembly Instructions

Note:Orient the minus sign on capacitors to the right side of the circuit board. The long leg must go in the square shapped pin.

Task 10: Place and solder (R5)

YATC5 - Temperature Controller Assembly Instructions

4,700 ohm resistor [yellow, violet, red, gold]

Task 11: Place and solder 2N3904 transistor. (Q1)

YATC5 - Temperature Controller Assembly Instructions

Note:Orient the flat side of the transistor towards the left edge of the circuit board.

Task 12: Place and solder 7-segment display (D1)

YATC5 - Temperature Controller Assembly Instructions

Task 13: Place and solder both (CONN3) and (CONN1)

YATC5 - Temperature Controller Assembly Instructions

(CONN3) – DC barrel jack

(CONN1) – AC cord receptacle

Task 14: Place and solder the blue terminal block (CONN4)

YATC5 - Temperature Controller Assembly Instructions

Note:Make sure the open side faces the right edge of the circuit board.

Task 15: Place and solder the large AC receptacle (CONN2)

YATC5 - Temperature Controller Assembly Instructions

Note:This device has 2 solder points on the top side and one on the bottom side of the circuit board.

Task 16: Place and solder large blue relay (K1)

YATC5 - Temperature Controller Assembly Instructions

Note:The text should appear upside down.

Task 17: Place and solder (C1, C2)

YATC5 - Temperature Controller Assembly Instructions

Note: Orient the minus sign on the capacitors to the right side of the board.

Task 18: Place and solder (U2) and (S3, S4)

YATC5 - Temperature Controller Assembly Instructions

(U2) 5v regulator

(S3, S4) Push buttons

Task 19: Squeeze your microcontroller leads to fit the IC Socket (U3)

YATC5 - Temperature Controller Assembly Instructions

Task 20: This is the amount of curve you are looking for on the leads.

YATC5 - Temperature Controller Assembly Instructions

Task 21: Install the 28-pin AVR Microcontroller

YATC5 - Temperature Controller Assembly Instructions

Note:There is a dimple on this device. It should be oriented to the right side of the circuit board.

Task 22: Solder female header for HC-06 bluetooth module or TTL uart access.

YATC5 - Temperature Controller Assembly Instructions

Task 23: Connect temperature probe to 3-pin terminal block.

YATC5 - Temperature Controller Assembly Instructions

Note:The wires must be connected in the correct order. The colors are labeled on the PCB.

  • top: red (vcc)
  • middle: black (gnd)
  • bottom: yellow (data)

Task 24: Flip Circuit Board and use plastic rivets to attach plexiglass base.

YATC5 - Temperature Controller Assembly Instructions

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