This circuit is an ultrasonic distance meter based on an ATTiny2313 microcontroller. It uses an HC-SR04 ultrasonic sensor to measure distance and displays the results on an OLED display. The power supply is constructed using a Boost converter (TPS613222A) and a 2-cell AA battery. Additionally, it also includes ISP for programming, RESET and START switches, and LED indicators. #project #Template #projectTemplate #ultrasonic #OLED #arduino #attiny2313 #TPS613222A #ISP #reusable #module #simple-embedded #microchip #sublayout

HC-SR04 ultrasonic distance sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm #CommonPartsLibrary #Sensor #ultrasonic #distanceSensor

Distance Optical Sensor 314.96" (8m) I²C Output #commonpartslibrary #sensor #distancesensor #integratedcircuit

Tactile Switch SPST-NO Top Actuated Surface Mount The B3FS-1002P is a compact, surface-mount tactile switch designed for low-profile input applications. It provides a momentary contact mechanism with a distinct tactile feedback, making it suitable for user interface controls in consumer electronics, industrial devices, and compact embedded systems. The switch features a sealed construction for improved reliability and is optimized for automated PCB assembly processes. Mechanical Characteristics Mounting Type: Surface Mount (SMD) Actuator Style: Top push Actuator Height: Low profile Outline: Rectangular compact body Terminal Type: Gull-wing terminals Sealing: Dust-resistant (sealed construction) Electrical Characteristics Switch Type: Single Pole Single Throw (SPST) Contact Configuration: Normally Open (NO) Rated Voltage: Low voltage DC applications Rated Current: Suitable for signal-level switching Contact Resistance: Low initial contact resistance Insulation Resistance: High insulation resistance between terminals Operating Characteristics Operating Force: Standard tactile force (manufacturer-defined variant) Travel Distance: Short stroke tactile action Operating Life: High durability for repeated actuation cycles Bounce Time: Minimal contact bounce for reliable switching Environmental Characteristics Operating Temperature Range: Wide operating range suitable for consumer and industrial use Storage Temperature Range: Standard electronic component storage conditions Humidity Resistance: Designed to withstand typical ambient humidity conditions Material & Construction Actuator Material: High-strength polymer Housing Material: Heat-resistant plastic Contact Material: Metal alloy with surface plating for durability Terminal Finish: Solderable finish compatible with reflow soldering Packaging Information Packaging Type: Tape and reel Assembly Compatibility: Fully compatible with automated pick-and-place and reflow processes Applications Consumer electronics (keypads, remote controls) Industrial control panels Portable devices Embedded system user interfaces Wearable and compact electronics #commonpartslibrary #switch #tactile

Optical Sensor 200cm I²C Output. Time-of-Flight Micro-LIDAR Distance Sensor #sensor #distance

The HC-SR04 Ultrasonic Distance Sensor is a sensor used for detecting the distance to an object using sonar. ... The HC-SR04 uses non-contact ultrasound sonar to measure the distance to an object, and consists of two ultrasonic transmitters (basically speakers), a receiver, and a control circuit

This project is a reference design for a VL53L0CXV0DH-based sensor circuit. It incorporates the use of a Texas Instruments LP5907MFX-2.8/NOPB to regulate the supply voltage. #referenceDesign #VL53L0 #Module #template #LIDAR #sensor #distance #reusable #module #industrialsensing #stm #sublayout

1000 pF ±10% 2000V (2kV) Ceramic Capacitor X7R 1808 (4520 Metric) ## Engineering Specification ## General Description The **C4520X7R3D102K130KE** is a TDK multilayer ceramic chip capacitor designed for high-voltage surface-mount applications. It uses X7R dielectric material and is suitable for circuits requiring stable ceramic capacitance, compact PCB mounting, and reliable high-voltage performance. The component is commonly used in power supplies, filtering circuits, coupling circuits, snubber networks, voltage multiplier circuits, and general electronic assemblies requiring a high-voltage MLCC solution. ## Device Identification Manufacturer Part Number: **C4520X7R3D102K130KE** Manufacturer: **TDK Corporation** Product Series: **C Series** Device Category: **Passive Electronic Component** Device Type: **Multilayer Ceramic Chip Capacitor** Capacitor Type: **Surface-Mount MLCC** Application Grade: **Commercial Grade** ## Functional Description The device functions as a fixed-value ceramic capacitor for energy storage, noise suppression, coupling, decoupling, and filtering applications. It is designed to provide capacitance in a compact surface-mount package while supporting high-voltage operation. The X7R dielectric provides usable capacitance stability across a wide operating temperature range, making the component suitable for many general-purpose and power-related electronic designs. ## Electrical Description The capacitor has a nominal capacitance of **1000 pF** with **±10% tolerance** and a rated voltage of **2000 V DC**. It uses **X7R dielectric characteristics**, making it suitable for applications where moderate capacitance stability and high-voltage capability are required. The device should be operated within the manufacturer’s specified electrical limits to maintain reliability and performance. ## Mechanical Description The component is supplied in a **C4520 metric package**, equivalent to **EIA 1808** chip size. It is designed for surface-mount PCB installation using reflow soldering. The package includes soft termination construction, which helps reduce mechanical stress on the ceramic body and solder joints during board flexing or thermal cycling. ## Material and Construction Description The device is constructed as a multilayer ceramic capacitor using ceramic dielectric layers and internal electrode structures. The soft termination design improves board-level reliability by helping absorb mechanical strain between the PCB and capacitor body. This construction is useful in applications where vibration, thermal expansion, or board bending may affect component reliability. ## Mounting and Assembly Description The capacitor is intended for surface-mount assembly using reflow soldering. PCB land pattern, solder paste volume, component placement, and reflow profile should follow TDK recommendations. Proper spacing, voltage clearance, and creepage considerations should be applied because the component is used in high-voltage circuits. ## Application Suitability The **C4520X7R3D102K130KE** is suitable for high-voltage filtering, DC blocking, coupling, decoupling, power supply circuits, snubber circuits, inverter circuits, lighting equipment, industrial electronics, measurement equipment, and general PCB assemblies requiring a compact high-voltage ceramic capacitor. ## Design Considerations The design should account for rated voltage, capacitance tolerance, DC bias behavior, temperature characteristics, insulation resistance, soldering conditions, mechanical stress, board flex, creepage distance, and clearance distance. For high-voltage applications, PCB layout should provide adequate spacing and avoid contamination paths that may reduce insulation performance. The capacitor should not be used beyond the manufacturer’s specified electrical, thermal, or mechanical limits. ## Hashtags #commonpartslibrary #capacitor #ceramiccapacitor #mlcc #tdk #tdkcapacitor #cseries #c4520 #x7r #highvoltagecapacitor #smdcapacitor #surfacemount #passivecomponent #electronicparts #electronicscomponents #pcbdesign #hardwaredesign #powersupply #filteringcircuit #snubbercircuit #decouplingcapacitor #industrialelectronics #componentlibrary #engineeringparts #electronicsengineering

This project is a reference design for a VL53L1X-based sensor circuit. It incorporates the use of a Texas Instruments LP5907MFX-2.8/NOPB to regulate the supply voltage. #referenceDesign #VL53L1X #Module #template #LIDAR #sensor #distance #reusable #module #industrialsensing #stm #sublayout

REYAX RYUW122 is designed as smart algorithm and high quality UWB(Ultra Wide Band) module, It is good for secure and precise distance measurement. FEATURES • Supports IEEE802.15.4-2015 UWB & IEEE802.15.4z (BPRF mode) • Supports channels 5 & 9 (6489.6MHz & 7987.2 MHz) • Worldwide UWB Radio Regulatory compliance • Location to an accuracy of 10 cm • Control easily by AT commands • Provides precision location and data transfer simultaneously • Designed with integrated antenna • Integrated AES 128 #CommonPartsLibrary #module

Reflective Optical Sensor (Photointerrupter) – Reflective infrared optical sensor integrating an 850 nm IR emitter and silicon phototransistor receiver for object detection, proximity sensing, position detection, paper/media sensing, and industrial automation. Features a 2.3 mm sensing distance, daylight-blocking optical filter, and high ambient light immunity for reliable reflective detection. Operates with an IR LED forward current up to 50 mA, 1.25 V typical forward voltage, and a phototransistor collector-emitter voltage of up to 70 V. Provides fast response times, surface-mount (SMD) construction, and is specified for operation over a −40°C to +100°C temperature range. Housed in a 4-pin SMD reflective sensor package measuring approximately 4.2 × 2.5 × 1.7 mm. (ams-OSRAM) #amsOSRAM #SFH7250 #ReflectiveOpticalSensor #IRSensor #Phototransistor #InfraredLED #ProximitySensor #ObjectDetection #PositionSensor #IndustrialAutomation #SMDSensor #EmbeddedSystems

MS44SF1 is using nRF52820 with ARM cortex-M4 core, 256kB flash, 32kB RAM. it can work with voltage range of 1.7V-5.5V, temperature range of -40℃~+125℃. Diversified digital communication interfaces allow this module to be used in a wide range of applications. It supports Bluetooth 5.0 long range function and Bluetooth 5.1 direction finding function, which means that the chip can realize the distance transmission of up to 600m, and it can also be used to realize the precise positioning of Bluetooth AOA or AOD.

The MAX485 TTL to RS-485 Interface Module allows MCUs to use the RS-485 differential signaling for robust long distance serial communications.

This project is a reference design for a VL6180X-based sensor circuit. It incorporates the use of a Texas Instruments LP5907MFX-2.8/NOPB to regulate the supply voltage. #referenceDesign #VL6180X #Module #template #LIDAR #sensor #distance #reusable #module #industrialsensing #stm #sublayout

This project is a reference design for a VL53L4CD-based sensor circuit. It incorporates the use of a Texas Instruments LP5907MFX-2.8/NOPB to regulate the supply voltage. #referenceDesign #VL53L4CD #Module #template #LIDAR #sensor #distance #reusable #module #industrialsensing #stm #sublayout

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

UCS 76 04 Is the intelligent bad point continuous transmission series 4 channel65536, level gray scale function LED drive control special circuit, internal integratedMCU, digital interface, data latch, LED high voltage drive and other circuits. Throughthe peripheral MCU control, the separate brightness and cascade control of the chip canrealize the color dot matrix luminescence control of the outdoor large screen. Intelligent bad point continued transmission series IC adopted, advanced HPD intelligent error signal identification technology, the channel error signal identification rate reached more than 99%, and also used the patented dual decodingengine, at the same time monitoring two channels, any channel signal problem real-timeswitch. UCS 7604 RGBW channel output adopts 65535 level gray scale output, with independent current adjustment function of each channel, high precision constant currentdesign, 16K port refresh frequency, so that the picture effect more restore the real color,rich and gorgeous. Excellent product performance, stable and reliable. Double channel bad point transmission function, fault point signal can continue tobe passed down, the overall failure transmission rate of more than 99% Advanced HPD intelligent error signal identification technology, the channel faultidentification rate of more than 99% The patented dual decoding engine simultaneously monitors and decodes two channels,and any problem in the used channel will be switched to normal in real time Channel, and because it is a real-time switch, it is difficult for the human eyeto find the abnormal picture process Can work normally at any frame frequency Advanced channel fault test function, real-time dynamic light on indicates singlechannel fault and channel short circuit recessive fault in the postpartum test oflamps Grayscale level 65536,8 bit (built-in gamma 2.2, corrected to 16 bit) / 12 / 14 / 16 bitdata optional Port refresh frequency is 16K ± 5% high constant current accuracy design RGBW current per channel can be set independently The applied resistance to set the output current, 0-60 mA Data transmission frequencies of 800K / S and 1.6M / S are optional The 1 / 2 / 3 / 4 field mode is optional Chip VDD built-in 5V voltage regulator, output port pressure maximum 30V RGBW channel off, black S-AI anti-interference patented technology, which can greatly reduce and filter outradiation interference and conduction interference S-Drive drive technology and enhanced receiving technology, greatly enhance theconnection distance between points Industrial-grade design, stable and reliable #CommonPartsLibrary #IntegratedCircuit #LED-Driver #4-channel-output

This project is a distance detecting sensor module build around GP2Y0D805Z0F IC from SHARP/Socle Technology. It includes decoupling capacitors, feedback resistors, and a LED for signal indication, with power being supplied via the J1 connector. #industrialSensing #optical #digital #reusable #module #sublayout #industrialsensing #sharp

MPN: FH34D-4S-0.5SH(50) Manufacturer: Hirose Electric Part Type: FFC/FPC Connector / Right-Angle SMT ZIF Connector Description: 4-position 0.5mm pitch SMT right-angle/back-flip FPC connector used as the board-side connector for the TDK PowerHap 1204H018V060 piezo haptic actuator FPC. The actuator FPC connects to this connector, with only pin 1 and pin 4 used for the high-voltage piezo actuator connection to maintain creepage/clearance distance. Connect the actuator positive terminal to the haptic driver's high-voltage output and the negative terminal to the driver return/GND according to the PowerHap FPC polarity.

VL53L1X laser ranging flight time sensor 400 cm distance measurement #pinheader #tht

Human presence sensing module Human Presence Sensing Radar Module for detecting moving and stationary human presence using 24 GHz FMCW radar technology. Operates from a 5 V supply (supports 5–12 V input) with a typical operating current of 80 mA. Provides UART and GPIO (3.3 V logic) interfaces, supports an adjustable detection range of 0.75 m to 6 m, a ±60° detection angle, and 0.75 m distance resolution. Designed for operation over an ambient temperature range of −40 °C to +85 °C. #HumanPresenceSensor #RadarModule #24GHz #FMCW #PresenceDetection #MotionSensor #UART #GPIO #HiLink #LD2410P