Bluetooth, WiFi 802.11b/g/n/ax, Bluetooth v5.4 Transceiver Module 2.4GHz Integrated, Chip Surface Mount Silicon Labs SiWG917 module is our lowest power Wi-Fi 6 plus Bluetooth LE 5.4, ideal for ultra-low power IoT wireless devices using Wi-Fi®, Bluetooth, Matter, and IP networking for secure cloud connectivity. It is optimal for developing battery operated devices that need long battery life. SiWG917 module includes an ultra-low power Wi-Fi 6 plus Bluetooth Low Energy (LE) 5.4 wireless CPU subsystem, and an integrated micro-controller (MCU) application subsystem, security, peripherals and power management subsystem all in a single 16 x 21.1 x 2.3 mm package. The wireless subsystem consists of a multi-threaded Network Wireless Processor (NWP) running up to 160 MHz, baseband digital signal processing, analog front end, 2.4 GHz RF transceiver and integrated power amplifier. The application subsystem consists of an ARM® Cortex®-M4 running up to 180 MHz, embedded SRAM, flash, ultra-low power sensor hub, and matrix vector processor. The ARM® Cortex®-M4 is dedicated for peripheral and application-related processing, while the NWP runs the wireless and networking stacks on independent threads, thus providing a fully integrated solution that is ready for a wide range of embedded wireless IoT applications. The modules come with modular radio type approvals for various countries, including USA (FCC), Canada (IC/ISED) and Japan (MIC), and are in compliance with the relevant EN standards (including EN 300 328 v2.2.2) for the conformity with the directives and regulations in EU and UK. KEY FEATURES • Wi-Fi 6 Single Band 2.4 GHz 20 MHz 1x1 stream IEEE 802.11 b/g/n/ax • Bluetooth LE 5.4 • Single chip Matter Over Wi-Fi Solution • ARM® Cortex® M4 Processor with FPU subsystem up to 180 MHz with rich set of Digital and Analog Peripherals. • Wi-Fi 6 Benefits: TWT for improved efficiency and longer battery life, MUMIMO/OFDMA for Higher Throughput, network capacity and low latency • Best in Class Device and Wireless Security • WLAN Tx power up to +17.5 dBm with integrated PA • Bluetooth LE Tx power up to +17 dBm with integrated PA • WLAN Rx sensitivity as low as -95.5 dBm • Wi-Fi 4 Standby Associated mode current: 71 μA @ 1-second listen interval • Embedded Flash option up to 8 MB/ optional external Flash up to 16 MB • Embedded PSRAM option up to 2 MB/ optional external PSRAM option up to 16 MB • Ultra-low power sensor hub peripherals • Matrix Vector Processor (MVP) • Embedded Wi-Fi, Bluetooth LE, Matter, and networking stacks supporting wireless coexistence • Three software-configurable MCU application memory options for sharing the RAM between the wireless, system, and application (192/256/320 KB) • Operating temperature: -40 to +85 ºC • Operating supply range: 3.0 to 3.63 V • Supply voltage for GPIOs: 1.71 to 3.63 V #WiFi6 #BluetoothLE54 #IoTModule #WirelessSoC #SiliconLabs #EmbeddedSystems #SmartHome #IndustrialIoT #LowPowerDesign #RFModule #ConnectedDevices #EdgeComputing #MatterReady #PCBDesign #ElectronicsEngineering

IC RF TxRx + MCU 802.15.4, Bluetooth Bluetooth v5.4, Matter, Thread, Zigbee® 47-XFBGA, WLCSP # NRF54L15-CAAA-R7 ## General Description The NRF54L15-CAAA-R7 is an ultra-low-power wireless System-on-Chip (SoC) developed by [Nordic Semiconductor](https://www.nordicsemi.com?utm_source=chatgpt.com) for advanced Internet of Things (IoT), industrial, medical, smart home, and wireless sensing applications. The device integrates a high-performance Arm Cortex-M33 processor, a dedicated RISC-V coprocessor, large embedded memory resources, and a multiprotocol 2.4 GHz radio subsystem into a compact package. It is designed to provide exceptional energy efficiency, robust wireless connectivity, and enhanced security while supporting modern wireless standards including Bluetooth® Low Energy, Matter, Thread, Zigbee®, Bluetooth Mesh, Amazon Sidewalk, and proprietary 2.4 GHz protocols. The device is optimized for battery-powered applications requiring extended operating life, high processing capability, and scalable connectivity solutions. ## Key Features ### Processing Architecture * 128 MHz Arm® Cortex®-M33 application processor * Integrated 128 MHz RISC-V coprocessor * TrustZone® security architecture ### Memory Resources * 1.5 MB Non-Volatile Memory (NVM) * 256 KB RAM ### Wireless Connectivity * Multiprotocol 2.4 GHz RF transceiver * Bluetooth® Low Energy support * Matter support * Thread support * Zigbee® support * Bluetooth Mesh support * Amazon Sidewalk support * Proprietary 2.4 GHz protocol support * Bluetooth Channel Sounding capability * Compatible with Wi-Fi companion devices ### RF Performance * Data rates up to 4 Mbps * Output power up to +8 dBm * High receiver sensitivity for extended wireless range ### Security Features * Hardware cryptographic engine * Side-channel attack protection * Tamper detection mechanisms * Secure boot and secure firmware update support ### Peripheral Interfaces * SPI * I²C (TWI) * UART * I²S * GPIO * ADC * PWM * PDM * NFC * QDEC ### Power Characteristics * Ultra-low-power operation * Optimized sleep modes * Battery-powered application support * Operating supply voltage from 1.7 V to 3.6 V ### Package Information * WLCSP package * Surface-mount technology * Industrial operating temperature support ## Applications * Smart Home Devices * Industrial IoT Systems * Wearable Electronics * Medical and Healthcare Devices * Asset Tracking Solutions * Wireless Sensors * Building Automation Systems * Smart Lighting Controls * Consumer Electronics * Connected Peripheral Devices #NordicSemiconductor #nRF54L15 #NRF54L15CAAAR7 #BluetoothLE #Matter #Thread #Zigbee #IoT #WirelessSoC #EmbeddedSystems #IndustrialIoT #SmartHome #LowPowerDesign #CortexM33 #RISCV

ESP32-WROOM32 ESP32 802.11 b/g/n (WiFi/WLAN/Wi-Fi 4), Bluetooth® Smart 4.x Low Energy (BLE) Transceiver 2.4GHz Evaluation Board ESP32-POE is an ESP32-based IoT development board that combines Wi-Fi, Bluetooth, Ethernet connectivity, and Power over Ethernet (PoE) in a single platform. It is designed for industrial automation, smart home systems, remote monitoring, and other network-connected embedded applications where both power and data can be delivered through a single Ethernet cable. The board supports the ESP32 dual-core processor and provides expansion interfaces for sensors, storage, and peripherals. FEATURES • ESP32-WROOM-32 WiFi/BLE module • Ethernet 100Mb interface with IEEE 802.3 PoE support • LiPo battery charger • LiPo battery connector • UEXT connector • User button • Reset button • Micro USB with programmer for ESP32 programming • MicroSD card • Two extension connectors 0.1" step spaced at 1" • PCB dimensions: (75 x 28)mm ~ (3 x 1)" #ESP32 #ESP32POE #IoT #Ethernet #PoE #WiFi #Bluetooth #EmbeddedSystems #IndustrialIoT #SmartHome #OpenSourceHardware #Microcontroller #EdgeComputing #Automation #MakerProjects

Transceiver 433MHz IPEX interface -100dBm 1km SPI SMD,20x14mm RF Transceiver Modules and Modems RoHS The E04-400M16S is based on STMicroelectronics' S2-LPQTR chip as the core, it is an ultra-small size chip wireless transceiver RF module independently developed by Ebyte, working in the 433M/470M frequency band, with a maximum transmission power of 16dBm. Since this module is a SPI pure hardware radio frequency transceiver module, it needs to be driven by MCU. Features  Ultra-small size, only 14x20mm;  The communication distance can reach 1km under ideal conditions;  The maximum transmit power is 16dBm;  The receiving current (RX) is as low as 7mA, and the transmitting current (TX) is as low as 10mA@10dBm;  Low power consumption, suitable for battery-powered applications;  Support 433M/470M frequency band;  Support multiple debugging modes of 2(G)FSK, 4(G)FSK, OOK, ASK;  Support 2.5V～3.6V power supply, power supply greater than 3.3V can guarantee the best performance;  Industrial-grade standard design, supporting long-term use at -40～85℃;  IPEX interface and stamp hole are optional, which is convenient for users to develop and integrate. Application  Smart meeting  Wireless alarm system  Smart door lock  Building automation  Industrial acquisition and control  Intelligent lighting system #E04_400M16S #EBYTE #S2LP #RFModule #WirelessTransceiver #433MHz #470MHz #IoT #IndustrialAutomation #SmartHome #LongRangeWireless #SPI #LowPowerRF #EmbeddedSystems #WirelessCommunication

Fully calibrated temperature and humidity sensor with digital output and I²C interface The AHT30 is a high-precision digital temperature and humidity sensor developed by AOSONG Electronics. It integrates a capacitive humidity sensing element, a temperature sensor, and a dedicated ASIC in a compact DFN package. The device provides fully calibrated digital output through an I²C interface, offering low power consumption, excellent long-term stability, and reliable performance in demanding environmental conditions. It is widely used in smart home devices, HVAC systems, industrial controls, weather monitoring equipment, IoT devices, and consumer electronics. Key Features Fully calibrated digital temperature and humidity sensor I²C digital communication interface Relative humidity measurement range: 0% to 100% RH Temperature measurement range: -40°C to +85°C High accuracy: up to ±2% RH and ±0.3°C (typical) Wide operating voltage: 2.2 V to 5.5 V Low power consumption Fast response time Excellent long-term stability Strong anti-interference capability Compact DFN package suitable for reflow soldering Optimized ASIC with improved MEMS sensing technology Applications Smart home and IoT devices HVAC and air quality monitoring Weather stations Consumer electronics Medical equipment Industrial monitoring and control systems Refrigerators, dehumidifiers, and air conditioners Hashtags #AHT30 #AOSONG #TemperatureSensor #HumiditySensor #EnvironmentalSensor #I2C #MEMS #SmartHome #IoT #HVAC #IndustrialAutomation #WeatherMonitoring #EmbeddedSystems #ElectronicsDesign #PCBDesign

JDY-23 is an ultra-low-power Bluetooth 5.0 BLE transparent transmission module operating in the 2.4GHz ISM band using GFSK modulation. The module supports wireless UART-to-BLE communication, enabling seamless data exchange between a microcontroller and smartphones, tablets, or other BLE-enabled devices. It provides up to +4dBm transmit power and a communication range of up to 60 meters under optimal conditions. The module supports configurable AT commands for changing device name, baud rate, advertising parameters, and communication settings. JDY-23 is designed for low-power IoT devices, wireless sensors, smart home equipment, industrial monitoring, wearable electronics, and battery-powered embedded applications requiring simple BLE connectivity. Search Keywords: JDY-23, JDY23, Bluetooth 5.0 module, BLE module, Bluetooth Low Energy module, UART BLE module, transparent transmission module, serial Bluetooth module, wireless UART bridge, 2.4GHz BLE transceiver, AT command BLE module, IoT Bluetooth module, low power Bluetooth module, embedded BLE module, MCU Bluetooth interface, Bluetooth serial communication, smart home BLE module, sensor BLE module, battery powered BLE module Hashtags: #JDY23 #Bluetooth5 #BLE #BluetoothLowEnergy #UARTBLE #BluetoothModule #WirelessCommunication #IoT #EmbeddedSystems #Microcontroller #SmartHome #WearableElectronics #SensorNode #LowPowerDesign #WirelessUART #ATCommands #2_4GHz #Electronics #PCBDesign #ElectronicComponents

Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.402GHz ~ 2.48GHz Antenna Not Included Surface Mount The ESP32-C3 is a low-power, highly integrated 32-bit microcontroller (MCU) from Espressif Systems that combines 2.4 GHz Wi-Fi and Bluetooth® 5 Low Energy (BLE) connectivity in a single chip. Built around a single-core RISC-V processor running at up to 160 MHz, it is designed for secure, cost-effective IoT and embedded applications. The ESP32-C3 offers excellent wireless performance, low power consumption, robust security features, and a rich set of peripherals, making it ideal for smart home devices, industrial automation, wearable electronics, wireless sensors, and consumer IoT products. Key Features 32-bit RISC-V single-core CPU running up to 160 MHz Integrated 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth® 5 LE Low-power architecture with multiple sleep modes for battery-powered devices Advanced security features including Secure Boot, Flash Encryption, AES, SHA, RSA, HMAC, and hardware random number generator (RNG) Rich peripheral set including GPIO, UART, SPI, I²C, I²S, PWM, ADC, TWAI (CAN), USB Serial/JTAG, and timers Supports external QSPI flash memory and OTA (Over-the-Air) firmware updates Compact package options suitable for space-constrained embedded designs Fully supported by the ESP-IDF, Arduino, and MicroPython development ecosystems #ESP32C3 #Espressif #RISCV #WiFi #BluetoothLE #IoT #EmbeddedSystems #Microcontroller #WirelessMCU #LowPower #SmartHome #IndustrialIoT #SecureMCU #EdgeComputing #FirmwareDevelopment

The NRF52832-QFAB-R is a multiprotocol wireless system-on-chip manufactured by Nordic Semiconductor, designed for low-power Bluetooth and embedded wireless communication applications. This highly integrated microcontroller combines a powerful ARM Cortex-M4 processor with advanced wireless connectivity, low-energy operation, and extensive peripheral functionality within a compact surface-mount package. The device supports Bluetooth Low Energy, proprietary wireless protocols, and advanced embedded processing capabilities, making it suitable for IoT devices, wearable electronics, industrial sensors, medical equipment, smart home products, and battery-powered wireless systems. Its integrated radio architecture and optimized low-power design enable extended battery life while maintaining reliable wireless communication performance. The NRF52832-QFAB-R integrates flash memory, RAM resources, analog and digital peripherals, security features, and flexible GPIO functionality to simplify system-level design and reduce external component requirements. The device is widely used in wireless sensor networks, portable electronics, beacon systems, HID devices, and low-power connected embedded applications. Engineering Specification Device Type Wireless microcontroller system-on-chip Processor Architecture ARM Cortex-M4 embedded processor Wireless Connectivity Bluetooth Low Energy and proprietary wireless communication support Radio Features Integrated low-power wireless transceiver architecture Memory Resources Integrated flash memory and RAM Power Characteristics Ultra-low-power operation optimized for battery-powered devices Communication Interfaces SPI I2C UART PWM ADC GPIO NFC support Wireless Features Low-energy wireless networking and secure communication capability Security Features Hardware-based security and encryption support Processing Features Embedded DSP and floating-point processing capability Package Type QFN surface-mount package Mounting Style Surface mount technology Reliability Features Industrial-grade wireless and embedded system reliability Applications IoT devices Wearable electronics Wireless sensor nodes Smart home systems Medical electronics Industrial automation Beacon devices Portable electronics Human interface devices Embedded wireless systems Manufacturer Nordic Semiconductor #commonpartslibrary #nrf52 #nrf52832 #wirelessmcu #bluetoothlowenergy #iot #embeddedhardware #nordicsemi #wirelesscommunication #microcontroller #surfaceountcomponents #wearableelectronics #smarthome #industrialelectronics #lowpowerelectronics