Skip to content

0. Setup

Mini Lab LabBoard menu display

Menu to access various LabBoard configuration options.
These setting are stored in memory and used during LabBoard operation.
To exit selected option - press Left SELECT button.
Settings are saved when value is changed. No need to press a button for confirmation. Some menu options required to press and hold run button (Right SELECT) to execute specified action.

  1. dISP - Display brightness
  2. dAC - DAC output manual adjust
  3. AdC - Voltage measure manual adjust
  4. CALIb - Auto calibration
  5. SERIAL - Default Serial mode baud rate
  6. UERSI - Firmware version
  7. rESEt - Factory reset
  8. boot - Enter boot mode

Setup menu options

1. Display brightness

Change display and LED brightness.

diSP 0 will be shown and LED will light up to indicate current brightness level.

Using SET+ and SET- increase or decrease brightness level between [-8:7].

2. DAC manual offset

Manually adjust DAC offset. Can be used to fine tune DAC channel output if value displayed on screen differs from multimeter reading.

dAC 0.000 will be shown and selected DAC channel LED will light up.

Click Middle SELECT to switch active DAC channel to configure.
Using SET+ and SET- increase or decrease offset.

It is suggested to rerun calibration if changed DAC1 offset.

3. ADC manual offset

Manually adjust ADC offset. Can be used to fine tune voltage measurements if value displayed on screen differs from multimeter readings.
These values are auto generated during calibration, but can be manually adjusted if required.

AdC 0 will be shown and selected voltage channel LED will light up.

Click Middle SELECT to switch active voltage channel to configure.
Using SET+ and SET- increase or decrease offset.

4. Auto calibration

Mini Lab LabBoard calibration wiring

This feature will calibrate ADC channels for more precise voltage measurements.

CALIb run will be shown. It is in waiting state until "run" button is pressed.

  1. Connect wires as specified:
    • ±50v -> GND
    • ±5v -> GND
    • ±0.5v -> DAC1
  2. Press and hold Right SELECT for 1s until calibration starts
  3. Wait for display donE
  4. Press Left SELECT to exit

5. Serial default baud rate

Configure default Serial mode baud rate selection.

baud 9600 will be shown indicating current selected default baud rate.

Using SET+ and SET- change selection.

6. Firmware version

Display current firmware version.

UERSI x.xx will be shown indicating installed firmware version.

7. Factory reset

Factory reset option will reset all settings to default state. Calibration will be requested after reset is done.

rESEt run will be shown. It is in waiting state until "run" button is pressed.

  1. Press and hold Right SELECT for 1s until reset starts
  2. donE will be displayed briefly
  3. CALIb run will be shown. Follow calibration section to proceed

8. Enter boot mode

Mini Lab LabBoard boot wiring

Enter system bootloader for firmware update.

boot run will be shown. It is in waiting state until "run" button is pressed.

  1. Press and hold Right SELECT for 1s
  2. boot on will be displayed
  3. Run firmware download. Follow firmware update section

Note: pins D0 -> TXD and D1 -> DIG2 has to be connected for revision v.2.1 and v.2.2 boards.