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Zoolark

A pocket-size oscilloscope plus function generator
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Discord channel for more information.

Features

Zoolark is a pocket-size electronics circuit testing and debugging tool which integrated features of a function generator, two channel oscilloscope, a fast digital I/O for PWM tuning and a high accuracy DC reference output. A 240*240 full color 1.54-inch LCD allows measurement results and testing information clearly displayed. The device is powered by a 280mAh rechargeable lithium polymer battery supporting over 2 hours standby time.

Functions

The main functions of Zoolark are illustrated below:
❶ Type-C USB Port
❷ Power Button
❸ Mode Selection Button
❹ Menu Selection Button
❺ 3-way Toggle
❻ Debug Port
Operation:
  • Connect to 5V adaptor or computer USB port
Functions:
  • Charge the battery
  • Update the Firmware (See Firmware Updates)
  • Communicate with Computer (See Computer communication)
Operation
  • Press (long or short)
Functions
  • Short press to turn ON the device
  • Long press and release to turn OFF the device
Operation
  • Press
Functions
  • Function Generator
  • Oscilloscope in time domain
  • Oscilloscope in frequency domain
  • DC Reference Voltage
  • PWM Signal
Operation
  • Press
Functions
  • Switching the cursor to different submenus
Operation
  • Left/Right/Press
Functions
  • Left: decrement or move leftwards
  • Right: increment or move rightwards
  • Press: confirm then go to next
Operation
  • Connect to jumper wires
Functions:
  • +5V, -5V and +3.3V: Fixed DC output
  • PWM (OUT): Duty cycle from 5% to 95% (press the 3-way toggle)
  • WAV (OUT): Tri/Squ/Sin waves
  • DC (OUT): High accuracy DC signal
  • CH1 (IN): Oscilloscope channel 1, 1MΩ impedance
  • CH2 (IN): Oscilloscope channel 2, 1MΩ impedance

Specifications

Parameter
TG491
H
49mm
W
62mm
S
40mm
D
50mm
P
16mm
Thickness
13mm
Weight
29g
Color
White

Connecting Zoolark to a Computer

Zoolark is capable to communicate to a computer which allows waveform to be displayed on a larger screen and have data exported. If you need to update firmware, please read next section.
To download the software Zookee first and follow the procedures. You can also check out this video for better demonstration.
  1. 1.
    Download the software Zookee from our Github repository, click the link below
  1. 2.
    Unzip the folder, then click the “Zookee” file located in the folder. This is an executable file.
  1. 3.
    The interface of Zookee is introduced in the following picture.
  1. 4.
    Connect Zoolark to your computer’s USB port and turn on the device. Click Refresh icon to get the port and then Link the device. Click Run to display the data onto your computer screen.
  1. 5.
    Once connection has established, the software will display Zoolark’s waveform. You can open the cursor function for more detailed measurement. The Export icon allows data to be exported in .csv format.

Instructions for Firmware Updates

Firmware is a piece of machine code to be flashed into the hardware and enables certain functionalities of the device.
The initial firmware was released on July 2021 during the Kickstarter product launch. This firmware did not support computer communication. All firmware version released after Oct 31, 2022 improved screen refresh rate and have supported computer communication.
The initial firmware was released on July 2021 during the Kickstarter product launch. This firmware did not support computer communication. All firmware version released after Oct 31, 2022 improved screen refresh rate and have supported computer communication. We encourage you update to the latest firmware.