This is an Energy Meter project leveraging an ATTiny85 microcontroller (U1) to sense current through an ACS712 module (U2). It displays the data in real-time on an OLED display (OLED1) and interacts with three buttons (NEXT, MENU, OK). This compact energy meter is suitable for edge computing and low-power Internet of Things (IoT) applications #project #keypad #arduino #attiny85 #ISP #reusable #module #edge-computing #edgeComputing #microchip #sublayout

ARM® Cortex®-M0+ STM32G0 Microcontroller IC 32-Bit Single-Core 64MHz 32KB (32K x 8) FLASH 8-SOIC The STM32G031J6M6 is a compact, low-power 32-bit microcontroller from STMicroelectronics, based on the Arm® Cortex®-M0+ core running at up to 64 MHz. It belongs to the STM32G0 series, designed for cost-sensitive and energy-efficient embedded applications. This MCU integrates essential peripherals, memory, and system functions into a small package (8-pin SOIC), making it suitable for consumer electronics, industrial control, appliances, and IoT devices where space and power efficiency are critical. Key Features Core & Performance 32-bit Arm Cortex-M0+ CPU Up to 64 MHz clock frequency Memory Protection Unit (MPU) for improved reliability and security 💾 Memory 32 KB Flash memory (program storage) 8 KB SRAM Flash protection (read/write protection, secure area) Peripherals & Interfaces Communication: I2C (2x) SPI (2x) / I2S USART (2x) + Low-power UART 12-bit ADC (up to ~2.5 MSps, multiple channels) DMA controller (5 channels) Timers: Advanced PWM timer (motor control capable) General-purpose timers (16-bit & 32-bit) Low-power timers Watchdog timers RTC (Real-Time Clock) with VBAT backup Power & Efficiency Operating voltage: 1.7 V to 3.6 V Multiple low-power modes: Sleep, Stop, Standby, Shutdown Optimized for low energy consumption (battery-powered designs) I/O & Package Up to 44 GPIOs (depending on package) 6 GPIOs available in the 8-pin (J6M6) package 5V-tolerant I/O pins (select pins) Compact SOIC-8 package#commonpartslibrary #integratedcircuit #microcontroller

Humidity, Temperature 0 ~ 100% RH I2C ±2% RH 8 s Surface Mount The SHTC3-TR-2.5KS is a digital humidity and temperature sensor from Sensirion, designed for high accuracy, low power consumption, and compact integration. It utilizes a fully calibrated capacitive humidity sensor and bandgap temperature sensor, providing precise environmental measurements via an I²C interface. The device is optimized for battery-powered and space-constrained applications, featuring ultra-low power consumption and sleep modes, making it ideal for IoT, wearable, and mobile devices. Key Features Relative humidity and temperature sensing in a single package Fully calibrated and linearized digital output I²C interface (up to 1 MHz fast mode) Ultra-low power consumption with sleep mode High accuracy and fast response time Small DFN package for compact designs Factory calibrated, no external calibration required Mechanical Characteristics Package Type: DFN (Dual Flat No-Lead) Package Size: ~2.0 mm × 2.0 mm × 0.75 mm Mounting Type: Surface mount (SMT) Terminals: Bottom pads Electrical Characteristics Supply Voltage (VDD): 1.62 V to 3.6 V Average Supply Current: Measurement: ~170 µA Sleep Mode: ~0.3 µA Interface: I²C (address selectable) Output: Digital (temperature and relative humidity) Sensing Performance Humidity Range: 0 to 100 %RH Humidity Accuracy: ±2 %RH (typical) Temperature Range: -40°C to +125°C Temperature Accuracy: ±0.2°C (typical) Response Time (τ63%): ~8 seconds (humidity) Functional Features Low-power measurement modes (normal and low power) Sleep mode for minimal energy consumption CRC checksum for data integrity Clock stretching support (optional) Environmental Specifications Operating Temperature Range: -40°C to +125°C Storage Temperature Range: -40°C to +125°C Packaging Information Packaging Type: Tape & Reel (TR) Reel Quantity: 2,500 units (2.5KS) Lead-Free / RoHS compliant Typical Applications Wearable devices Smartphones and mobile electronics IoT sensors and nodes Smart home devices (thermostats, air quality monitors) HVAC systems Environmental monitoring #CommonPartsLibrary #Sensor #Transducer #Humidity #Moisture-Sensor

ESP32 ESP32 Transceiver; 802.11 b/g/n (Wi-Fi, WiFi, WLAN), Bluetooth® Smart 4.x Low Energy (BLE) 2.4GHz Evaluation Board #esp32 #wifi #BLE

Energy Harvesting PMIC 16-VQFN (3x3)

- ESP32, WT32-ETH01 Transceiver; 802.11 b/g/n/e/i (Wi-Fi, WiFi, WLAN), Bluetooth® Smart 4.x Low Energy (BLE) 2.4GHz ~ 2.5GHz Evaluation Board #CommonPartsLibrary #DevelopmentBoard #RF #EvaluationBoard #Wifi #Bluetooth #Module

Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.4GHz PCB Trace Surface Mount The ESP32-S3-WROOM-1-N16R8 is a high-performance Wi-Fi + Bluetooth Low Energy (BLE) module developed by Espressif Systems. It is built around the ESP32-S3 SoC, featuring a dual-core Xtensa LX7 32-bit processor running up to 240 MHz. This module integrates 16 MB Flash memory and 8 MB PSRAM, making it suitable for memory-intensive applications such as AI, image processing, and advanced IoT systems. It also includes an onboard PCB trace antenna, RF circuitry, crystal oscillator, and power management components—allowing designers to quickly integrate wireless connectivity into compact embedded designs. Key Features Processing & Memory Dual-core Xtensa LX7 CPU, up to 240 MHz 384 KB ROM, 512 KB SRAM + 16 KB RTC SRAM 16 MB Flash (Quad SPI) 8 MB PSRAM (Octal/Quad SPI) Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Bluetooth 5 (LE) + Mesh support Integrated PCB antenna Peripherals & Interfaces Up to 36 GPIOs Interfaces: UART, SPI, I2C, I2S, PWM, ADC, USB OTG Built-in USB Serial/JTAG support Supports touch sensors, timers, watchdogs, CAN (TWAI) Electrical Characteristics Supply voltage: 3.0 V – 3.6 V TX power: up to ~20.5 dBm RX sensitivity: ~-103.5 dBm Operating temp: −40 °C to +65 °C (typical) Advanced Capabilities Optimized for AI acceleration (vector instructions) Suitable for voice recognition, image processing, and edge AI Low-power modes for battery-operated devices| Typical Applications IoT devices and sensor hubs Smart home & home automation AIoT (voice/image recognition) Industrial automation & monitoring Wearables and health devices USB-connected embedded systems #Module #RF-Transceiver #ESP32-S3

3 Phase Multifunction Energy Metering IC with Per Phase Information 24-SOIC #commonpartslibrary #sensor #integratedcircuit

SDRAM - Mobile LPDDR4X Memory IC 8Gbit Parallel 2.133 GHz 200-FBGA (10x15) The IM8G32L4JCBG-046I is an 8Gb (1GB) LPDDR4X SDRAM memory device designed for high-performance, low-power embedded applications. Organized as 256M × 32 bits, it delivers data rates up to 4266 MT/s, making it suitable for industrial computing, AI edge devices, networking equipment, automotive systems, and other memory-intensive applications. The LPDDR4X architecture reduces power consumption while maintaining high bandwidth and reliable operation across industrial temperature ranges. Key Features 8Gb (Gigabit) LPDDR4X SDRAM Memory organization: 256M × 32 bits High-speed operation up to 4266 MT/s Low-power LPDDR4X interface for reduced energy consumption 32-bit data bus width Industrial operating temperature range: –40°C to +95°C 200-ball FBGA package (10 mm × 15 mm) High bandwidth for demanding embedded applications Optimized for low-power and thermally constrained designs Suitable for industrial, automotive, networking, and edge AI systems #LPDDR4X #SDRAM #MemoryIC #EmbeddedSystems #IndustrialElectronics #EdgeComputing #AIoT #HighSpeedMemory #LowPowerDesign #AutomotiveElectronics #NetworkingHardware #FBGA #HardwareDesign #ElectronicsEngineering #PCBDesign #IntelligentMemory

IC RF TxRx Only Bluetooth, WiFi Bluetooth v5.0, Thread, Zigbee® 2.412GHz ~ 2.484GHz 32-VFQFN Exposed Pad The ESP32-C6FH4 is a low-power, highly integrated wireless microcontroller from Espressif Systems, designed for IoT applications. It is based on a 32-bit RISC-V processor running at up to 160 MHz, providing efficient performance for embedded systems while maintaining low power consumption. This variant includes 4 MB of embedded flash memory, making it suitable for standalone applications without the need for external flash. The ESP32-C6FH4 supports multiple wireless communication protocols, including: Wi-Fi 6 (802.11ax) in the 2.4 GHz band (backward compatible with Wi-Fi 4/802.11 b/g/n) Bluetooth Low Energy (BLE 5) IEEE 802.15.4 (used for protocols like Thread and Zigbee) Key features include: Rich set of GPIO pins with support for peripherals such as UART, SPI, I2C, PWM, ADC, and more Integrated hardware security features (secure boot, flash encryption, cryptographic accelerators) Multiple low-power modes for battery-operated devices On-chip temperature sensor and RTC peripherals #commonpartslibrary #transceiver

24 Bit Analog to Digital Converter 8 Input 8 Sigma-Delta 32-TQFP (5x5) The ADS131M08IPBSR is a high-precision, simultaneous-sampling analog-to-digital converter designed for multi-channel data acquisition systems requiring accurate and synchronized measurements. Manufactured by Texas Instruments, this device integrates eight differential input channels with low-noise performance, programmable gain amplification, and precision voltage reference support. The converter architecture is optimized for industrial automation, energy monitoring, medical instrumentation, and precision sensing applications where phase alignment and signal fidelity are critical. The device incorporates delta-sigma conversion technology with integrated digital filtering to provide high dynamic range and excellent noise performance across a wide operating bandwidth. It supports flexible data interface configurations through a high-speed SPI-compatible serial interface, enabling efficient communication with microcontrollers, DSPs, and FPGA-based systems. The integrated diagnostic and monitoring features improve system reliability and simplify fault detection in safety-critical applications. The ADS131M08IPBSR operates from low-voltage analog and digital supplies while maintaining low power consumption suitable for embedded and portable systems. The compact thermally enhanced package supports dense PCB layouts and reliable operation across industrial temperature environments. Engineering Specification Device Type: Simultaneous-Sampling Delta-Sigma Analog-to-Digital Converter Manufacturer: Texas Instruments Channel Configuration: Eight Differential Input Channels Resolution: Twenty-Four Bit ADC Architecture: Delta-Sigma Sampling Type: Simultaneous Sampling Input Type: Differential Analog Inputs Programmable Gain Amplifier: Integrated Data Output Interface: SPI-Compatible Serial Interface Reference Support: External Precision Voltage Reference Digital Filtering: Integrated Sinc Filter Architecture Operating Supply Voltage: Low-Voltage Analog and Digital Supplies Noise Performance: Low Noise Precision Measurement Capability Power Consumption: Optimized for Low Power Operation Diagnostics Features: Integrated Self-Monitoring and Fault Detection Temperature Range: Industrial Operating Temperature Range Package Type: TQFP Surface-Mount Package Mounting Type: Surface Mount Technology Application Areas: Energy Metering, Industrial Automation, Medical Instrumentation, Data Acquisition Systems, Multi-Channel Sensor Interfaces #commonpartslibrary #integratedcircuit #analog #digital #converter

Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 2A SOT-23-6 Thin, TSOT-23-6 The AP63200/AP63201/AP63203/AP63205 is a 2A, synchronous buck converter with a wide input voltage range of 3.8V to 32V and fully integrates a 125mΩ high-side power MOSFET and a 68mΩ low-side power MOSFET to provide high-efficiency step-down DC/DC conversion. The AP63200/AP63201/AP63203/AP63205 device is easily used by minimizing the external component count due to its adoption of peak current mode control along with its integrated compensation network. The AP63200/AP63201/AP63203/AP63205 has optimized designs for Electromagnetic Interference (EMI) reduction. The converter features Frequency Spread Spectrum (FSS) with a switching frequency jitter of ±6%, which reduces EMI by not allowing emitted energy to stay in any one frequency for a significant period of time. It also has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off times, which further erases highfrequency radiated EMI noise caused by MOSFET switching. The device is available in a low-profile, TSOT26 package. • VIN 3.8V to 32V • 2A Continuous Output Current • 0.8V ±1% Reference Voltage • 22µA Ultralow Quiescent Current • Switching Frequency o 500kHz: AP63200 and AP63201 o 1.1MHz: AP63203 and AP63205 • Pulse Width Modulation (PWM) Regardless of Output Load o AP63201 • Supports Pulse Frequency Modulation (PFM) o AP63200, AP63203, and AP63205 o Up to 80% Efficiency at 1mA Light Load o Up to 88% Efficiency at 5mA Light Load • Fixed Output Voltage o 3.3V: AP63203 o 5.0V: AP63205 • Proprietary Gate Driver Design for Best EMI Reduction • Frequency Spread Spectrum (FSS) to Reduce EMI • Precision Enable Threshold to Adjust UVLO • Protection Circuitry o Overvoltage Protection o Cycle-by-Cycle Peak Current Limit o Thermal Shutdown • 12V and 24V distributed power bus supplies • Flat screen TV sets and monitors • Power tools and laser printers • White goods and small home appliances • FPGA, DSP, and ASIC supplies • Home audios • Network systems • Set top boxes • Gaming consoles • Consumer electronics #commonpartslibrary #integratedcircuit #AP63203WU7 #BuckConverter #DCDCConverter #PowerManagement #VoltageRegulator #SynchronousBuck #EmbeddedSystems #IndustrialElectronics #PowerSupply #DiodesInc #3V3Power #ElectronicsDesign

Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.4GHz PCB Trace Surface Mount The ESP32-C3-WROOM-02-N4 is a compact, general-purpose Wi-Fi and Bluetooth Low Energy (BLE) module developed by Espressif Systems. It is built around the ESP32-C3 SoC and integrates RF components, crystal oscillator, flash memory, and PCB antenna in a single module. It is designed for a wide range of applications such as IoT devices, smart home systems, industrial automation, and consumer electronics, offering a balance of performance, low power consumption, and cost efficiency. Key Features MCU & Memory 32-bit RISC-V single-core processor up to 160 MHz 384 KB ROM 400 KB SRAM + 8 KB RTC SRAM Integrated 4 MB SPI flash (N4 variant) Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Supports Station, SoftAP, and Station + SoftAP modes Bluetooth 5 (BLE) with mesh support Data rates up to 150 Mbps (Wi-Fi) Peripherals & Interfaces Up to 15 GPIOs Interfaces: SPI, UART, I2C, I2S LED PWM ADC (SAR) Timers & watchdog USB Serial/JTAG support TWAI® (CAN 2.0 compatible) #commonpartslibrary #transceiver #module #wireless #rf

Energy Harvesting PMIC 20-VQFN (3.5x3.5) #commonpartslibrary #integratedcircuit #powermanagement

ARM® Cortex®-M33 STM32H5 Microcontroller IC 32-Bit 250MHz 2MB (2M x 8) FLASH 144-LQFP (20x20) # STM32H573ZIT6 ## General Description The STM32H573ZIT6 is a high-performance microcontroller from STMicroelectronics based on the Arm Cortex-M33 core. It is designed to deliver advanced processing capability, enhanced security, and extensive peripheral integration for industrial, medical, consumer, communications, and embedded control applications. The device combines powerful computational performance with low-power operation, making it suitable for real-time control, edge computing, human-machine interfaces, industrial automation, IoT gateways, motor control systems, and secure connected devices. Integrated security features, high-speed memory architecture, and comprehensive communication interfaces enable the development of robust and scalable embedded solutions. ## Key Features ### Processing Architecture * Arm Cortex-M33 processor core * TrustZone security architecture * Digital signal processing capabilities * Floating-point computation support * Optimized real-time processing performance ### Memory Resources * Embedded Flash memory * Integrated SRAM architecture * Error correction capability for enhanced reliability * High-speed memory access structure ### Security Features * Secure boot functionality * Hardware cryptographic accelerators * Secure firmware update support * Memory protection mechanisms * Tamper detection capabilities * Trusted execution environment * Secure key management support ### Communication Interfaces * USART and UART communication interfaces * SPI serial communication interfaces * I²C communication interfaces * CAN FD connectivity * USB connectivity support * Ethernet interface capability * SDMMC memory card interface * Flexible external communication options ### Analog Features * High-performance analog-to-digital conversion * Digital-to-analog conversion capability * Analog comparators * Precision signal acquisition support ### Timer and Control Functions * Advanced control timers * General-purpose timers * PWM generation capability * Encoder interface support * Motor-control functionality * Real-time clock integration ### Power Characteristics * Low-power operating modes * Dynamic power optimization * Battery-powered application support * Efficient performance-to-power ratio ### Package Characteristics * LQFP package construction * Surface-mount technology compatibility * Industrial-grade mechanical design * Suitable for automated assembly processes ### Application Areas * Industrial Automation Systems * Motor Control Equipment * Human-Machine Interfaces * Smart Energy Systems * Medical Electronics * IoT Gateways * Secure Embedded Devices * Industrial Networking Equipment * Building Automation Systems * Consumer Electronics * Data Acquisition Systems * Edge Computing Applications ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial and Commercial Application Support ## Manufacturer STMicroelectronics ## Product Family STM32H5 Series High-Performance Microcontrollers #STM32H573ZIT6 #STM32H5 #STMicroelectronics #CortexM33 #Microcontroller #EmbeddedSystems #IndustrialAutomation #SecureMCU #IoT #EdgeComputing #MotorControl #EmbeddedDesign #ElectronicsEngineering #FirmwareDevelopment #IndustrialElectronics

MCP3913 Series 3.6 V 4.5 mA SMT Six-Channel Analog Front End - SSOP-28 The MCP3913A1T-E/SS is a high-performance, multi-channel analog front-end (AFE) from Microchip Technology intended for precision measurement applications. It features six simultaneous sampling 24-bit delta-sigma ADCs with integrated programmable gain amplifiers, enabling accurate acquisition of low-level analog signals. Designed for energy monitoring and industrial sensing, the device provides low noise, high dynamic range, and flexible configuration. It supports SPI communication for efficient interfacing with microcontrollers and digital processing systems. Key Features Six simultaneous sampling 24-bit delta-sigma ADC channels Integrated programmable gain amplifiers per channel High signal-to-noise ratio and low distortion Programmable oversampling ratios for performance tuning Internal voltage reference with external reference option SPI-compatible digital interface Configurable data output formats and control registers Low power operation modes Electrical Characteristics Resolution: 24-bit Number of Channels: 6 Input Configuration: Differential Supply Voltage: 2.7V to 3.6V Operating Temperature Range: -40°C to +125°C Programmable Gain: Up to 32 V/V (typical) Reference Voltage: Internal or external selectable Functional Description The device integrates six high-resolution delta-sigma ADCs that sample input signals simultaneously, ensuring accurate phase and timing relationships across channels. Each input passes through a programmable gain stage, allowing optimization for different sensor levels. Analog signals are digitized using oversampling and digital filtering techniques to achieve high precision and noise reduction. Configuration is handled via internal registers, and data is transferred through an SPI interface. Package Information Package Type: SSOP Pin Count: 28 Mounting Type: Surface Mount Applications Energy metering Power monitoring systems Industrial automation Multi-channel data acquisition Sensor interfacing Smart grid systems Advantages High integration reduces external components Simultaneous sampling improves measurement accuracy High resolution supports precise signal analysis Flexible configuration for various system requirements #commonpartslibrary #integratedcircuit #powermanagement #energymetering