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This Arduino board can be used for any project where something needs to be controlled and that is menu-driven.

 

Arduino Power Control Board
Arduino Power Control Board
Arduino Power Control Board
Arduino Power Control Board

Front plate for Hammond case
Front plate for Hammond case

The Arduino Universal Power Control (UPC) board has the following features

  • TFT display
  • Menu buttons
  • Integrated 3.3V power supply
  • Power control which can handle high inductive loads
  • Buzzer 
  • Single board that fits into a standard Hammond Electronics enclosure
  • Breadboard for custom modifications
  • Arduino ATmega328 with bootloader, programmable via the Arduino IDE 
  • Optional temperature sensor input DS18B20 (software not implemented)
  • MAX6675 thermokoppel board connector
  • Optional custom digital output 3.3V (software not implemented)
  • Zero cross detection

The Arduino UPC board is already prepared for these applications:

  • Spot welder controller
  • Vacuum pressure controller
  • Thermocouple temperature controller
  • Smart solid state relay or dimmer
  • Reflow oven controller

FOR SALE

How to order

To order, use my Shop, You can pay with PayPal too.

Arduino universal AC power control board €39,95

You get what you see here:

Spotwelder timer bs

Front panel for the Hammond Electronics enclosure with self tapping screws €12,50

See the article about the spotwelder controller.

Front panel with self tapping screws

Hammond enclosure

The PCB fits exactly into the Hammond Electronics 1591XXSGY enclosure.

Fits into this Hammond case

Circuit description

Standard TRIACs have turn-off problems with inductive loads. Therefore, a high power alternistor is used here, also named as:

  • Snubberless triac
  • Three-quadrant triac
  • High commutation triac

The RC snubber network R14 and C4 protects the circuit from voltage transient spikes. The FTDI connector J2 is for re-programming. The ISP connector J9 is for burning the Arduino bootloader.

Spot welding pulse timer control panel with TFT display circuit

Connectors

  • J1 vacuum sensor
  • J2 FTDI programming by the Arduino IDE
  • J3 temperature sensor DC18B20
  • J6 rotary encoder
  • J7 vacuum pressure controller PCB
  • J8 MAX6675 thermokoppel board connector

Optional mounting of heavier triacs

On the circuit diagram, 3 triacs are drawn, but only one has been mounted (with TO-220 housing). Optionally, a heavier triac can be mounted with a TO-218 or D2PAC housing.

Drilling the Hammond Electronics enclosure front panel

The Arduino UPC board is made to fit into the standard Hammond Electronics enclosure nr. 1591XXSGY:

Hammond Electronics enclosure front panel drilling
Hammond Electronics enclosure front panel drilling

Arduino Universal Power Control drilling holes
Arduino Universal Power Control drilling holes

To print out at 1:1, open this PDF FILE.

Arduino MAX6675 thermokoppel board interface

For Arduino applications that require a thermokoppel, a MAX6675 board can be inserted as shown here:

Arduino MAX6675 thermokoppel board interface
Arduino MAX6675 thermokoppel board interface

Programming by the Arduino IDE

For programming the UPC board by the Arduino IDE, you need a 3.3V FTDI breakout module and a female header. Note that there are fake 3.3V FTDI breakouts: Fake FTDI adapter 5V/3.3V breakouts without regulator.

Programming the Arduino Universal Power Control board
Programming the Arduino Universal Power Control board

Do you have any comments about the website or problems with shopping? Please let me know.