Leaf Technical Sheets

Technical data for each leaf.

Processor

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AP01 AVR MCU

This leaf uses the ATmega328P and features 14 digital input and output pins (six of which can be used as PWM outputs), six analog input pins, an 8 MHz oscillator, and a reset button.

Basic Kit
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AP02 ESP32 MCU

Espressif Systems' ESP32-WROOM-32 32-bit MCU leaf with a module ESP32-WROOM-32 with built-in technically certified Wi-Fi and Bluetooth LE, which includes a USB to UART conversion IC and can write sketches. A step-down power supply circuit provides VBUS and 3.3V. It also has a reset button.

ESP32 Wi-Fi Kit
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AP03 STM32 MCU

32-bit MCU leaf with ARM Cortex-M4 32-bit RISC core with STMicroelectronics FPU; connect USB leaf for USB connection or Shield leaf for SWD use.

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AP04 STM32 MCU 2Bus

A 32-bit MCU leaf with an ARM Cortex-M4 32-bit RISC core with STMicroelectronics FPU and two Leafony buses; connect a USB leaf for USB connection or a Shield leaf for SWD use Connect a USB leaf for USB connection or a Shield leaf for SWD use.

Communication

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AC02 BLE Sugar

The Leaf is equipped with Silicon Labs' technically certified Bluetooth LE module BGM11S22F256GA-V2.

Basic Kit
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AC03 LoRa Easy

The Leaf is equipped with EASEL’s technically certified LoRa module ES920LRA1.

IO

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AI01 4-Sensors

This leaf is equipped with a temperature/humidity sensor, an illuminance sensor and an acceleration sensor. Equipped with power-saving sensors and suitable for long-term sensing.

Basic Kit
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AI02 SP&PIR

The Leaf is equipped with a piezoelectric speaker and a motion sensor. The motion sensor has a built-in proximity detection algorithm and can detect the approach of an object with simple settings.

Extension Kit
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AI03 MIC&VR&LED

This leaf is equipped with a MEMS microphone, volume and LED. It can be powered off with a load switch by controlling the I2C Expander to achieve low power consumption.

Extension Kit
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AI04 LCD

This leaf is equipped with a character LCD unit and two user switches. It can be powered off with a load switch by controlling the I2C Expander to achieve low power consumption.

Extension Kit
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AIx1 Motor

This leaf is equipped with a motor driver that can connect two DC motors.

Power

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AV01 CR2032

This power supply leaf contains a CR2032 coin cell battery holder, a power switch, an AD converter for voltage monitoring, and a 3.3 V to 3.3 V step-up circuit. 2cm x 2cm in size, it is capable of supplying 3.3 V power.

Basic Kit
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AV02 CR2450

This power supply leaf contains a CR2450 coin cell battery holder, a power switch, an AD converter for voltage monitoring, and a 3 V to 3.3 V step-up circuit.

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AV03 AA BAT

This is a power supply leaf with an AA battery holder, a power switch, an AD converter for voltage monitoring, a 3 V to 3.3 V boost circuit, and three Leafony connectors to provide power to more leaves.

Extension Kit
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AV04 2V~4.5V

The power supply leaflet contains a JST SH connector for lithium-ion battery or battery box connection, a power switch, an AD converter for voltage monitoring and a 3.3 V step-up/down circuit.

ESP32 Wi-Fi Kit

Extension

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AX01 Shield

An expansion board with an Arduino Shield connector, a SWD connector, an ICSP connector, and three leaf I/Fs mounted on it.

Extension Kit
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AX02 29pin

A leaf with all 29 pins of the leaf I/F connected to a 2.54mm pitch through-hole.

Basic Kit
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AX03 Leaf x2

This connector leaf is used to connect the leafs side-by-side.

Extension Kit
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AX04 Spacer

A spacer leaf that is placed between two stacked leaves. It can be used when parts of the leafs interfere with each other.

Extension Kit
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AX05 I Meas.

This leaf is used to measure the current flowing in the 3.3V and VBUS. Normally, the Leafony bus is electrically connected on both sides, but in this leaf, only the 3.3V and VBUS are disconnected in the front and the back, and they are connected to the through-hole.

Extension Kit
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AX06 Grove&5V

The Grove is a Grove Series compliant leaf from Seeed Studio that operates at 5V with UART, I2C, analog and digital inputs, converted from 3.3V to 5V by a step-up power supply circuit and supplied to the Grove. To achieve low power consumption, it is possible to turn off the 5V power supply by controlling the I2C Expander.

Extension Kit
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AX07 Back to back

A connector leaf that can be connected back to back.

ESP32 Wi-Fi Kit
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AX08 29pin header

A leaf with all 29 pins of the leaf I/F connected to a 2.54mm pitch pin header.

ESP32 Wi-Fi Kit

Others

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AZ01 USB

A leaf to connect when writing a sketch to an AVR MCU or using a serial monitor. FTDI’s FT232RQ is mounted as a USB-UART conversion IC. It converts from USB VBUS (5V) to 3.3V with a step-down power supply circuit and supplies VBUS and 3.3V to each leaf.

Basic Kit
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AZ02 RTC&microSD

This leaf is equipped with NXP’s Real-Time Clock PCF8523TK and a microSD card slot. The RTC can output interrupts to the MCU with alarms and timers, while the microSD card is accessible via SPI.

ESP32 Wi-Fi Kit
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AZ61 Connector

The Leafony Platform is based on ACRs (Anisotropic Conductive Rubber), which is an insulating silicone rubber with metal or conductive elastomeric conductive elements arranged at a narrow pitch, which can be compressed to create an electrical connection.

Connector
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AZ62 Connector Cover

The Connector Cover protects the ACR (Anisotropic Conductive Rubber) from dust and debris.

Nut & Conn. Cover
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AZ63 Nut Plate

The Nut Plate is used to fix the leaf with a screw. Be careful not to use commercially available hex nuts as they may cause a short circuit by touching the electrodes on the board.

Nut & Conn. Cover
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AZ66 Basic kit case

This is a case for the Basic Kit. It can be fixed to the wall with the magnets on the bottom.

Basic Kit
Last modified 20.01.2021