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Basic Kit Getting Started Guide

Set up with your favorite AI

Gemini & other AI

Copy the setup prompt into your AI. Work through each step together, from checking your kit to getting it running.

Open Gemini

Copy the prompt, then paste it into Gemini’s message box.

View prompt

Leafony and a smartphone displaying sensor readings

Use the program preinstalled on the AVR MCU to view temperature, humidity, illuminance and acceleration readings over BLE on a phone or computer. You do not need to install development tools for this demo. The AVR configuration shipped in Basic Kit 2 uses the same steps.

6 types of leaves. Select a photo or name for specifications and pin assignments.

AP01 AVR MCU

An AVR microcontroller that runs your programs.
Qty: 1

AI01 4-Sensors

Measures temperature, humidity, light, and acceleration.
Qty: 1

AC02 BLE Sugar

Sends and receives data over Bluetooth LE.
Qty: 1

AV01 CR2032

Supplies power from a CR2032 coin cell battery.
Qty: 1

AZ01 USB

Connects to a computer for programming, serial communication, and USB power.
Qty: 1

AX02 29pin

Connects leaf signals to external circuits.
Qty: 1
Accessories and other included items

AZ62 Connector Cover

Protects the connector from dust and debris.
Qty: 1

AZ66 Basic Kit Case

Holds Basic Kit and attaches it to a surface that magnets stick to, using a magnet on its base.
Qty: 1
  • CR2032 coin cell battery× 1
  • M2×18 mm screw× 2
  • Screwdriver× 1

For Basic Kit 2, also check its included leaves. It includes an additional STM32 MCU leaf; this page uses the AVR MCU.

  • Basic Kit or Basic Kit 2 with its AVR MCU installed
  • A CR2032 coin cell battery
  • A phone or computer with Bluetooth LE and a supported browser
DeviceBrowser to use
Android, macOS or WindowsGoogle Chrome with Web Bluetooth support
iPhone or iPadBluefy
LinuxChrome requires additional setup; see the instructions below

The Web Bluetooth implementation status describes browser support. OS and browser support alone do not guarantee that this demo works on every device. Start by checking the on-screen readings.

Insert the CR2032 coin cell in the orientation shown, then turn the power switch ON.

Battery orientation and power switch

  1. Enable Bluetooth on your device and open Google Chrome.
  2. Open the Leafony Web Bluetooth app.
  3. Press Connect, select Leafony_AC02, then press Pair. Allow Bluetooth access if prompted.
  4. Check that temperature, humidity and other readings appear and the Leafony LED blinks.

Web app displaying sensor readings

  1. Install and open Bluefy.
  2. Enable Bluetooth and allow Bluefy to access it if prompted.
  3. Open https://docs.leafony.com/WebBluetooth_for_Leafony_app/ in Bluefy.
  4. Press Connect, select Leafony_AC02, then press Pair. Check the readings on screen and the blinking LED.

The original guide reported that Download CSV was unavailable on iPhone and iPad. First check the on-screen readings; CSV export in the current Bluefy version has not been rechecked for this demo.

The official compatibility table lists Linux as partially implemented and unsupported. Check the Linux notes and required settings first, then follow the Chrome connection steps above. If setup is difficult, use another device from the table for the initial demo.

If the device does not appear, see BLE connection checks. If you uploaded a different program, follow Restore the demo; restarting the MCU does not restore it.