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Inductive Proximity Sensor LJ12A3-4-Z/BY Features A proximity sensor is a sensor able to detect the presence of nearby objects. The inductive proximity sensor LJ12A3-4-Z / BY has three pins, two of which are connected to a supply voltage of 6 to 36V. The output pin is PNP and NO (Normally Open). That is, it is normally Low and when it detects an object, it is HIGH. The detection distance is 4 mm and it can only detect metal objects such as copper, aluminum, iron, etc. Note Because the operatio...

LJ12A3-4-Z/BX Inductive Proximity Sensor Features Proximity sensors are used to detect the presence of nearby objects. The LJ12A3-4-Z / BX sensor has three pins, two of which are connected to a supply voltage of 6 to 36 V. The output pin is PNP and NO (Normal Open). That is, it is normally Low and when it detects an object, it becomes HIGH. The detection distance is 4 mm, and it can only detect metal objects such as copper, aluminum, iron, etc. Note Since the operation voltage is more than 5 V,...

MPR121 Touch Keypad Features Switches are one of the most widely used components in electronics. A keypad is a set of keys or buttons arranged in a block. This capacitor touch keypad includes 12 keys and MPR121 IC on the back of the PCB.Other features:Operating voltage: 3.3VCommunication protocol: I2COperating temperature range: -40°C to +85°C You can download the datasheet of the this module here.[wpdm_package id='20626'] MPR121 Touch Keypad Pinout This Modul...

LoRa SX1278 Transceiver Module Features Electronic devices need to be connected wirelessly in so many cases. In these cases, Radio Frequency or RF equipments are used. RF modules include all radio waves that can travel different distances and reach the receiver according to their frequency and amplitude. LoRa is a popular technology that is perfectly suitable for IoT projects with long distance communications. This module is an Ai-Thinker technology module which also produces ESP32 series. This module...