ZMPT101B is a high-precision current-type voltage transformer designed for AC voltage sensing, monitoring, and power measurement applications. It provides excellent electrical isolation between high-voltage AC lines and low-voltage measurement circuits, making it ideal for energy monitoring systems, smart meters, power analyzers, and microcontroller-based projects using Arduino, ESP32, and similar platforms. Its compact size, high accuracy, and stable performance enable reliable AC voltage measurement while maintaining user safety through galvanic isolation. Key Features High-precision AC voltage measurement Excellent galvanic isolation (up to 4 kV isolation voltage) Wide operating voltage measurement range High accuracy and good linearity Low phase angle error Compact PCB-mount package Suitable for voltage and power monitoring applications Good consistency and long-term stability Compatible with signal conditioning and ADC circuits Operating temperature range: -40°C to +60°C #ZMPT101B #VoltageTransformer #ACVoltageSensor #PowerMonitoring #EnergyMeter #IsolationTransformer #Arduino #ESP32 #IoT #EmbeddedSystems #Electronics #SmartMeter

IC RF TxRx + MCU General ISM < 1GHz LoRaWAN 1.0, Sigfox 915MHz 73-UFBGA The STM32WL55JCI6TR is an ultra-low-power wireless microcontroller developed by STMicroelectronics. It integrates a high-performance Arm Cortex-M4 core with a secondary Arm Cortex-M0+ core and a sub-GHz radio transceiver within a single package. The device is designed for long-range wireless communication, industrial automation, smart metering, environmental monitoring, asset tracking, and Internet of Things applications. Its highly integrated architecture reduces external component count while providing secure, energy-efficient operation suitable for battery-powered and embedded systems. #STM32WL55JCI6TR #STM32WL #STM32 #STMicroelectronics #Microcontroller #WirelessMCU #LoRa #SubGHz #IoT #EmbeddedSystems #IndustrialAutomation #SmartMetering #LowPowerDesign #WirelessCommunication #RemoteMonitoring

STM32WLE5JC is an ultra-low-power wireless microcontroller from STMicroelectronics that combines an Arm Cortex-M4 processor with an integrated Sub-GHz radio transceiver in a single chip. Designed for long-range, low-power IoT and LPWAN applications, it supports LoRa®, (G)FSK, (G)MSK, and BPSK modulation schemes, making it ideal for smart metering, industrial monitoring, agriculture, asset tracking, and remote sensing applications. The device offers a high level of integration, robust security features, and extensive peripheral support while maintaining very low power consumption. Key Features Arm Cortex-M4 32-bit MCU running at up to 48 MHz Integrated Sub-GHz radio transceiver (150 MHz to 960 MHz) Supports LoRa®, LoRaWAN®, (G)FSK, (G)MSK, and BPSK modulations Up to 256 KB Flash memory and 64 KB SRAM Ultra-low-power operation with multiple low-power modes Programmable RF output power up to +22 dBm High receiver sensitivity down to -148 dBm (LoRa mode) Hardware AES-256 encryption and True Random Number Generator (RNG) Public Key Accelerator (PKA) for enhanced security 12-bit ADC, 12-bit DAC, comparators, and DMA controllers Multiple communication interfaces: USART, LPUART, SPI, I²C Operating voltage range: 1.8 V to 3.6 V Operating temperature range: -40°C to +105°C Available in compact UFQFPN, UFBGA, and WLCSP packages #STM32WLE5JC #STM32WL #LoRa #LoRaWAN #SubGHz #WirelessMCU #CortexM4 #LPWAN #IoT #SmartMetering #IndustrialIoT #EmbeddedSystems #STMicroelectronics

The CC1101RGP is a low-power sub-gigahertz RF transceiver designed for wireless communication applications requiring reliable long-range data transmission and high receiver sensitivity. It integrates a complete radio frequency front-end, packet handling engine, modulation and demodulation circuitry, frequency synthesizer, and advanced power management features within a compact package. The device supports multiple modulation formats and is optimized for industrial, scientific, medical, smart metering, home automation, remote control, wireless sensor networks, and Internet of Things applications. Its flexible configuration options enable designers to achieve an optimal balance between communication range, data throughput, power consumption, and system robustness. Features Sub-gigahertz RF transceiver for license-free ISM frequency bands High receiver sensitivity for extended communication range Programmable output power for optimized power consumption Multiple modulation schemes including FSK, GFSK, ASK, OOK, and MSK Integrated packet handling and error detection functions Fast frequency synthesizer settling time Low current consumption in transmit, receive, and sleep modes Hardware support for address filtering and data buffering Programmable channel spacing and data rate configuration Integrated RSSI, LQI, and clear channel assessment functions SPI interface for configuration and data communication Suitable for battery-powered wireless devices Applications Smart metering systems Wireless sensor networks Industrial monitoring and control Home and building automation Remote keyless entry systems Alarm and security systems Asset tracking devices Telemetry and data acquisition systems IoT communication nodes Proprietary wireless communication networks Electrical Characteristics Wide operating supply voltage range Low-power transmit and receive operation Programmable RF output power levels High-performance frequency synthesizer Low standby and sleep current consumption Integrated crystal oscillator support Robust RF performance across supported frequency bands Interface and Connectivity Serial Peripheral Interface communication Digital control and status signals Configurable interrupt outputs Integrated FIFO buffers for transmit and receive data External antenna connection through matching network Package Information Surface-mount package suitable for automated assembly Compact footprint for space-constrained applications RoHS-compliant device construction #commonpartslibrary #integratedcircuit #wirelesscommunication #rftransceiver #subghz #iot #embeddedsystems #industrialautomation #smartmetering #wirelesssensornetwork #lowpowerdesign #telemetry #homeautomation #remotecontrol #texasinstruments

868/915MHz SPI SMD LoRa Module E22-900M22S is a compact, industrial-grade LoRa® wireless transceiver module developed by Ebyte, based on the Semtech SX1262 RF chipset. Operating in the 868/915 MHz ISM band, it communicates through an SPI interface and is designed for long-range, low-power wireless data transmission. The module offers excellent receiver sensitivity, strong anti-interference performance, and supports both LoRa and FSK modulation, making it suitable for smart metering, industrial automation, IoT sensor networks, remote monitoring, and wireless control applications. Key Features Based on the Semtech SX1262 LoRa transceiver Operates in the 850–930 MHz frequency range (optimized for 868/915 MHz ISM bands) SPI interface with data rates up to 10 Mbps Maximum transmit power of +22 dBm (160 mW) Receiver sensitivity up to −147 dBm (LoRa mode) Supports LoRa and FSK modulation Programmable air data rate up to 62.5 kbps (LoRa) and 300 kbps (FSK) Long communication range of up to 7 km under ideal line-of-sight conditions Wide operating voltage: 1.8 V to 3.7 V (3.3 V recommended) Ultra-low receive current (~6.8 mA) and low sleep current Industrial operating temperature: −40°C to +85°C Compact 20 × 14 × 2.8 mm SMD package with castellated pads/IPEX antenna options Suitable for IoT, AMI, smart home, industrial sensors, wireless alarms, and remote control systems. #Ebyte #E22Series #E22900M22S #SX1262 #LoRa #WirelessModule #SubGHz #SPI #IoT #IndustrialAutomation #SmartMetering #RemoteMonitoring #EmbeddedSystems #RFModule