Controleo3 Reflow Oven Controller

Controleo3 Reflow Oven Controller


Product Details

Shipping Information

United States
USPS First Class Package (2 - 5 days)
United States
USPS Priority Mail (1 - 3 days)
USPS First Class Package International
Rest of World
USPS First Class Package International

All orders are shipped by the next business day. Tracking information will be provided.

Total weight is 0.5 lb (0.227 kg)


This kit has everything you'll need to install the controller yourself. The parts to build an oven are not included. Includes Controleo3 and some parts to get started.

  • Controleo3 Reflow Oven Controller with 4" touchscreen
  • ABS enclosure with UL94-5VA flame rating
  • Low-mass K-type thermocouple
  • Enclosure screws
  • 20" of 1/4" braided sleeving
  • Rubber grommet (3/8" ID, 5/8" OD)
  • Custom servo mounting bracket
  • 1GB SD card
  • $10 coupon to PCBWay

About Controleo3

Controleo3 is Intelligent

Controleo3's learning mode spends around an hour figuring out how well your oven was built and how well it performs. It learns how well your oven is insulated, how much power is needed to maintain temperature targets, how quickly your oven responds to requested temperature changes. It uses this information to accurately follow your custom reflow profiles.

Controleo3 is Customizable

Controleo3's flexible profile language helps you take charge of your oven's behavior. Write custom profiles to match your solder paste's datasheet, remove moisture from ICs, or even dry 3D printer filament.

  • Create and store up to 28 profiles in onboard flash memory
  • Write over 1000 instructions per profile to tailor your reflow experience
  • Add new profiles to Controleo3 using the SD card interface

Controleo3 is Expandable

Controleo3 provides both 5V and 3.3V (max 80mA) to power additional components. Output 6 is a microcontroller pin and can be used as either input out output. You can also tie into the SPI bus used by other components, like the MAX31856 thermocouple IC.

Controleo3's software is open source. Click here for the GitHub Repository.

The enclosure

Controleo3 uses a quality off-the-shelf flame-retardant ABS plastic enclosure with a textured finish. The holes are CNC machined to perfectly fit Controleo3. The result is a high quality, tight fitting case that looks very good

Technical Specifications

  • Atmel ATSAMD21J18A-AU microcontroller (Arduino Zero)

    • 32-bit ARM Cortex M0+ core at 48 MHz
    • 256 KB Flash memory
    • 32 KB SRAM
    • Custom boot loader (turns relays off during boot)
  • 1 MB flash for storing preferences and profiles
  • Support for full-size SD cards up to 32GB
  • 4" 480 x 320 color touchscreen display
  • MAX31856 thermocouple with line-voltage filtering and 0.25C precision
  • Buzzer - 80db at 10cm
  • ABS plastic case - custom fit, flame-retardant (UL94-5VA)
  • Built-in servo support
  • Input voltage: 5V

    • The USB port should only be used for software updates and debugging. The USB port does not power the buzzer, the servo nor the relays
    • The servo is the largest current draw. We recommend using a 2000mA power supply
  • 6 relay outputs - relays are connected using screw terminals or the 6-pin relay header (4 outputs, +5V, GND). The outputs provide up to 220mA at 5V. The outputs support connections to solid-state relays (SSRs) or mechanical relays.

    • Output 6 is a microcontroller pin and can be used as either input out output.
  • Reverse-polarity protection on power terminals, and current protection on outputs