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1-channel 12V relay module

1-channel 12V relay module for controlling AC/DC devices with Arduino, Raspberry Pi, and microcontrollers.

Ai Thinker SX1278 LoRa RA-01 Wireless Transceiver Module with Baseboard

Technical Specifications

  • Chipset: Semtech SX1278

  • Frequency: 433 MHz

  • Modulation: LoRa / FSK / GFSK / OOK

  • Sensitivity: Up to −138 dBm (LoRa)

  • Transmission Power: Configurable (max up to +20 dBm)

  • Interface: SPI

  • Operating Voltage: 3.3V

  • Dimensions: Compact form factor with baseboard breakout support

Techtonics 1-channel 5V 10A relay control board module

Techtonics 1-channel 5V 10A relay module for Arduino, Raspberry Pi, and microcontroller control of AC/DC devices.

PCF8574T I2C I/O Extension Board

PCF8574T I2C I/O extension board for expanding 8 digital I/O pins on Arduino, ESP32, and Raspberry Pi projects.

AT24C256 I2C EEPROM memory module

AT24C256 I2C EEPROM memory module with 256 Kbit storage for Arduino, ESP32, Raspberry Pi, and embedded projects.

4×4 matrix membrane keypad

4x4 matrix membrane keypad with 16 keys for Arduino, Raspberry Pi, and microcontroller input projects.

1×5 tactile keypad switch module

1x5 tactile keypad switch module with five clicky buttons for Arduino, Raspberry Pi, and microcontroller projects.

bi-directional logic level converter

Bi-directional logic level converter for safe 3.3V ↔ 5V signal translation in microcontroller projects.

ENC28J60 Ethernet Module

ENC28J60 SPI Ethernet module for adding wired LAN connectivity to Arduino, ESP, and other microcontrollers.

DB9 Female RS232 to TTL Serial Port Converter Module

DB9 female RS232 to TTL serial converter module for interfacing RS232 devices with microcontrollers.

USB to RS485 TTL Serial Converter Adapter with an FT232 chip

USB to RS485 TTL serial converter adapter using FT232 chip for reliable industrial and embedded communication.

TTL to RS485 converter module

TTL to RS485 converter module for long-distance, noise-resistant serial communication with microcontrollers.