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Small 9×7 mm capacitive (electret condenser) microphone for capturing sound in DIY audio and voice projects.
13.56 MHz Mifare One RFID key fob, durable and easy to carry, for door access and identification with RC522 readers.
3dBi GSM/3G flat PCB antenna with IPEX connector and adhesive backing, to improve signal on SIM800 and GSM modules.
125 kHz contactless RFID card with a unique ID, for access control, attendance and identification systems.
2.4 GHz right-angle SMA antenna with inner-needle connector for Wi-Fi, Bluetooth, ZigBee and ESP32 modules.
2.4 GHz right-angle SMA antenna (male needle) for Wi-Fi, Bluetooth, ZigBee and NRF24 modules and routers.
433 MHz folding SMA antenna (inner needle) to extend range on 433 MHz RF modules, remotes and telemetry links.
433 MHz RF transmitter and receiver pair, a simple, low-cost way to send wireless signals between Arduino boards.
SPI SD card module for reading and writing standard SD cards from Arduino and ESP32, ideal for data logging.
RFID reader module supplied with a card, for building access control, attendance and identification projects.
ISD1820 voice recording module with on-board buttons and 0.5W speaker, storing short 8-20 second messages.
Micro SD (TF) card module with SPI interface for data logging and file storage on Arduino, ESP32 and Raspberry Pi Pico.
HC-06 Bluetooth serial module for easy wireless communication between Arduino/ESP32 and phones or PCs.
HC-05 Bluetooth serial module for short-range wireless data between Arduino and phones, PCs or other microcontrollers.
Compact SIM800L quad-band GSM/GPRS module with micro-SIM slot for sending SMS, making calls and GPRS data from Arduino.
Compact SIM800C GSM/GPRS module for sending SMS, voice calls and GPRS internet in IoT and tracking projects.
MAX98357A I2S amplifier with built-in DAC and Class D output (up to 3.2W) for adding sound to ESP32 and Pico projects.
SIM800L V2.0 GSM/GPRS module with on-board regulation for 5V operation, a simpler replacement for the SIM900A.
SIM900 quad-band GSM/GPRS shield that stacks onto Arduino for SMS, voice calls and mobile data.
SIM7600E 4G LTE module supporting LTE, WCDMA and GSM with voice, SMS and GNSS positioning for IoT and industrial devices.
SIM7600G-H 4G LTE module with 3G and 2G fallback and GNSS, for reliable cellular connectivity in IoT and industrial systems.
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