Circuito digital puro a 5 V con un único pulsador para avance por toque corto, confirmación por toque largo de 2 s, visualización de 4 opciones por LED y transmisión DTMF mediante HT9200A.

RF Modules DTM-S04A-433 WIRELM-SMD_DTM-S04A-433 LCSC Part Number: C781540 JLCPCB Part Class: Extended Part Manufactured by VCHIP(芯威)

Connector Header Panel Mount, Through Hole, Right Angle 12 position #CommonPartsLibrary #Connector #Header #DTM

DTMF receiver with 4 bit output, SOIC-18 DTMF Receiver SOIC*7.5x11.6mm*P1.27mm*

The SIM800L is a compact quad-band GSM/GPRS cellular communication module designed for embedded wireless applications requiring voice, SMS, and packet data connectivity. It integrates a complete GSM/GPRS protocol stack and supports communication over standard cellular networks, enabling reliable remote monitoring, control, telemetry, asset tracking, and Internet of Things deployments. The module features low power consumption, a compact surface-mount package, and a UART-based AT command interface for straightforward integration with microcontrollers, processors, and embedded systems. It supports voice calls, SMS messaging, GPRS data transmission, and network services while providing flexible interfacing options for audio and peripheral connectivity. Designed for industrial and consumer electronic applications, the SIM800L delivers dependable wireless communication performance in compact and power-sensitive designs. Its broad network compatibility and extensive software support make it a widely adopted solution for GSM-based connected devices. Features Quad-band GSM/GPRS cellular connectivity Voice call functionality with integrated audio interface SMS text messaging support GPRS packet data communication capability Standard AT command interface UART serial communication interface Low-power operating modes Compact surface-mount package Embedded TCP/IP protocol support Real-time clock functionality DTMF detection and generation Caller identification support SIM card interface integration Antenna interface for cellular communication Wide operating temperature capability Suitable for battery-powered applications Applications Internet of Things devices Remote monitoring systems Wireless telemetry equipment Smart metering solutions Asset tracking systems Vehicle tracking devices Industrial automation equipment Security and alarm systems Wireless data loggers Remote control applications Point-of-sale terminals Embedded communication systems Electrical Characteristics GSM/GPRS cellular network operation Low-voltage power supply architecture Serial UART host interface Integrated RF transceiver SIM card support interface Audio input and output connectivity Low standby power consumption Hardware and software power management support Mechanical Characteristics Compact SMT module package PCB-mountable design Integrated RF connection interface Embedded system integration optimized Lightweight construction Compliance and Reliability GSM standard compliant GPRS standard compliant Industrial embedded communication suitable Designed for long-term operational reliability Compatible with standard cellular infrastructure #commonpartslibrary #wirelesscommunication #gsmmodule #gprs #sim800l #cellularmodule #iot #embeddedsystems #telemetry #wirelessconnectivity #industrialelectronics #communicationmodule #remotecontrol #trackingdevice #machinetomachine #smtmodule

Telecom IC DTMF Receiver 18-SOIC #CommonPartsLibrary #IntegratedCircuit #Interface #Telecom #MT8870