How to login qNinjaLite

Initial Setup Install WebREPL (browser console for MicroPython). Press the green Code button and click Download ZIP at the bottom of the dropdown. Then unarchive the zip file. Move directory to safe place and open webrepl.html in browser. Recommend to add bookmark. Connect to qNinjaLite Launch qNinjaLite in AP Mode (button1) or Software Update Mode … Read more

Mode in Detail : Software Update Mode (Button 2)

After booting qNinjaLite in “Software Update Mode”, you can upload program files to the device. Batch update The qNinjaLite repository contains a script that batch installs all programs into the device. Running this script is the simplest way to update the set of program files. Open a terminal app and execute the following command in … Read more

Mode in Detail : AP Mode (Button 1)

To update WiFi settings of qNinjaLite, create a file named and upload it to the root directory of the device with WebREPL interface. Prepare Launch any editor app you like. Copy and paste below example and change preferred_aps array to all of the WiFi networks you want to use your qNinjaLite in. The … Read more

Mode in Detail : Normal Mode

If you have not yet set your WiFi network SSID/PASS to qNinjaLite. Go to AP Mode first. Just turn on the device without pressing any button. It will take about 15 seconds to launch in Normal Mode. Device will show QR and well temperature when it is ready. If it cannot connect to WiFi, it … Read more

All Modes of qNinjaLite

By tapping buttons while turning on the power, you can switch between modes. There is no power switch. Connect the cable of power adapter (2.1mm 12V 2A or more like this) to turn on and be patient for a while. It may take 15 seconds to turn on LCD screen. Just ignore QR code because … Read more

qNinja SBS

Last month, I was invited to talk at an event of laboratory automation driven by academics and big pharma in Japan. So many positive feedbacks motivated me to make qNinja for liquid handlers like Opentrons and Hamilton. It was first time for me to know that they mainly use specific size of trays in 127.76×85.48mm, … Read more

Simplified Lid

We have been using Ultimaker2+ for 7 years. No major problem and our kids also love its outputs. Recently I noticed that its way of leveing build plate can be used for leveling lid heater of qNinja. Here is the result. You can adjust lid heater by screwing 2 Double Step Thumb Nuts. They are … Read more