The 2N2222: the world’s most-used NPN transistor for 60+ years. Cheap, tough, versatile—and still flying in satellites.

Wi-Fi? ESP32. 5 V shields? Arduino. Clear 2025 guide with table: pick the perfect board for IoT, cameras, low-power, DSP

Updated datasheet of the Espressif ESP8685-WROOM-04 module. It has wide application areas with its Wi-Fi and Bluetooth features. Ideal for advanced IoT solutions

Explore innovative Wi-Fi and Bluetooth features with the ESP8685-WROOM-07's current data sheet. Ideal for industrial and consumer applications.

Add additional functionality to your Arduino projects with the ST7735 TFT display

Configuration and control of Bluetooth modules with AT commands

Technical features and usage areas of the HM-10 Bluetooth module. Develop IoT and wireless communication projects

Technical information and usage areas about HC-05 and HC-06 Bluetooth modules.

Check out the technical measures and examples in our article on IoT security.

Learn about the basic components and functioning of IoT systems.

Bring your IoT projects to life with the ESP-12F WiFi module. Ideal for smart home automation and more ESP-12F projects.

ESP8684 Series SoC bug fixes document: Chip revisions, crystal issues and more. With the assurance of Espressif Systems

ESP32-C3-LCD kit manual is now available. Get started with this development board that includes an SPI interface display and interactive screen interaction

ESP8684-WROOM-07 is a general purpose Wi-Fi and Bluetooth LE module. Rich set of peripherals and high performance make this module an ideal choice for smart homes, industrial automation, healthcare, consumer.

NE566 is a voltage-controlled oscillator or frequency generator IC. Frequency modulation is used in sound reproduction and timer applications

Wi-Fi Whitepaper

Arduino Nano White Paper

Decoder Integrated