High resolution TFT color touchscreen display for straightforward operation

Simplifies and speed up setup and operation. The large touchscreen enables faster setup time, thanks to quick navigation through the menus to access all functions and settings. The home page gives a clear overview of all installed modules. Each channel can be selected for a more detailed view with a wide variety of additional information.

Mix and match multiple modules

Identical or different modules can be quickly installed in any combination on a "plug and play" basis to address different user cases. The unified user interface provides a steep learning curve.

On-module EEPROM

Module specific information such as activity counters, calibration data, etc. are stored in the EEPROM of the module and remain preserved regardless of whether the module is moved within the same or another chassis.

Simple firmware upgrade

Upgrading BB3 firmware and firmware on modules with up to date versions is a painless and quick operation that can be done in a few simple steps.

Color themes, customizable module colors and labels

Setting the module colors according to user preferences increases readability and reduces usage errors. User-defined labels instead of generic ones further help reduce misinterpretations and simplify use.

Power control and fast boot

The AC mains inputs of power module is under firmware control so that it is possible to turn it on and off remotely (i.e. using MQTT from the other side of the world).

Implemented soft-start limits in-rush current to reduce stress on AC mains.

A fast boot makes BB3 ready for action in within three seconds.

All channels are independently controlled

Supports powering up a circuit with multiple voltage levels (such as a digital circuit) that must be turned on in a specified time sequence.

On-screen keypad or rotary knob with step definition for entering numerical values

Simplifies fast, precise entry of output values.

User profiles to store frequently used configurations in any of 10 setup memory locations

Saves times when repeating tests.

Programmable sequences (lists)

Arbitrary waveforms can be generated for voltage and current. Function can be configured and executed locally or remotely. Low jitter of generated sequence allows generating of precise multi-pattern waveforms.

Digital I/Os on the front panel

Conveniently located are easily accessible that can be connected to an external device that can generate a trigger event, or device under test can interact directly with BB3 by sending SCPI commands and changing its parameters via a simple UART interface, thus improving the automation of the entire process. Additionally the DOUT2 output can be configured as a square wave generator.


Support for NTP (Network Time Protocol) ensures that BB3 uses the most accurate time in measurements and activity recordings.

USB OTG mode

The USB port supports OTG (On-The-Go), so in addition to device mode, it can also be in host mode for connecting a USB mouse or similar peripherals.

Removable micro SD card

With card capacity of 8 GiB it is possible to store hundreds of hours of data logging, an almost unlimited number of MicroPython scripts, screenshots, programmable lists and activity logs. The card can be replaced with a larger capacity as needed. The data can be accessed directly via a PC or the card can be detached so that the data can be accessed using an external card reader.

Protection functions: OVP, OCP, OTP, OPP

If set limit for output voltage, current, temperature or power is reached, the affected output channel will be automatically switched off and a message will be displayed. In case when additional safety is needed it is possible to deactivate all outputs or even put a whole chassis in standby mode.

Speed controlled cooling fan

The noisy environment is tiring and annoying in the long run, so to stay as quiet as possible the BB3 uses a fan with linear speed control defined by a temperature measured at multiple points.

Power outputs coupling

Allows fast and safe connection of power outputs without additional external wiring for voltage doubling (serial coupling) or current doubling (coupling in parallel). Additionally, it is possible to configure "split rail" power outputs as well as setting common ground between outputs that are otherwise separated (floating).

DCP405: remote programming (modulation input)

Allows that programmed voltage follows external analog signal that come from connected device or other module or external instrument.

DCP405: remote sensing

Ensures that programmed voltage is accurately applied to the load.

DCP405: Down-programmer

Allows discharging voltage quickly even in case with connected device with large input capacitance.

DCP405: Small and power efficient power modules

Combination of switching pre-regulator and additional linear control reduces size and increases power efficiency delivering up to 155 W.

Software simulator

The software simulator is a useful tool that we use in our own development because it shortens the prototyping time and is available to anyone who needs to speed up the development of their own modules for BB3.

Furthermore, it also offers an attractive alternative to the classic “try before buy” process without the need to negotiate evaluation terms and waiting for a physical sample to arrive.

Open software and hardware design

BB3 is a certified open hardware design. Openness offers multiple and long-term benefits and preservation of investment: design can be checked in the presale evaluation process, complete freedom in case of servicing, modification and upgrades as well as reducing long-term risk associated with original manufacturer availability. The community gathered around BB3 can shorten the learning curve, allow the exchange of user experiences, can act as technical support, etc.


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