AC02 BLE Sugar

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Read this official Leafony page and explain its key points in English. For hardware help, first ask for a photo or the installed leaf models, assembly and power sources, then the goal and tools. Clarify which LED or display changed and whether a cable or leaf was replaced. Do not equate an unseen reset button with an absent one, or I2C acknowledgement with a working display. Verify specifications against sources; distinguish observations from hypotheses. Follow a redirect to its destination; if unreadable, ask for the relevant text instead of guessing.

Page: AC02 BLE Sugar

URL: https://docs.leafony.com/en/leaf/communication/ac02/

Description / headings (excerpt): Features / Specification / Block diagram / Pinassign

Features

Send and receive data wirelessly with compatible smartphones or computers using BLE (Bluetooth Low Energy). Combined with an MCU (microcontroller) leaf and a sensor leaf, this leaf can send sensor measurements to a receiving device.

It uses Silicon Labs’ certified BGM11S22F256GA-V2 BLE module and connects to the MCU leaf via UART. Radio certifications include CE, FCC, ISED Canada, TELEC, KC South-Korea, and NCC Taiwan (SLICON LABS Module Data Sheet Revision 1.2).

Specification

Item	Description
Part number	BGM11S22F256GA-V2
SoC	EFR32BG1 (ARM Cortex-M4)
Bluetooth version	4.2
Frequency range	2400M ~ 2483.5MHz
RX sensitivity	-90 dBm @ 1 Mbit/s GFSK
TX power	+8dBm以下
RF certification	CE, full FCC, ISED Canada, Japan and South-Korea
Flash	256KB
RAM	32KB
Interfaces	UART
Dimension	W23×D20.5×H4.7mm

Block diagram

Pinassign

Sample App

Library

Libraries are available for this leaf. Please install the necessary libraries from Environment to use them.

Document

Revision history

Rev A1.0: First edition, August 2019