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As the rapid development of the Internet grows, various intelligent devices are gradually integrated into our daily life. We can use RFID to open the door. In addition, the kitchen is equipped with a gas detection alarm, which alerts people to the danger when dangerous gas and large smoke are detect..

Step into the world of artificial intelligence with the NELKIT - ESP32-S3 AI Chatbot Kit with 1.54" OLED. - Perfect for ages 13+ and ideal for introducing young innovators to the exciting world of interactive AI.Build your own interactive AI assistant that responds to voice or text and displays answ..

Ideal for ages 14+ and perfect for tomorrow’s AI and computer vision innovators. This AI Vision Camera Module Kit with ESP32-S3 is newly rolled out by Nerokas Experimental Learning Centre (NELC). It simulates intelligent camera systems and demonstrates how machines can “see” and understand the visu..

The 6V 3.5W Mini Solar Panel is a high-efficiency polycrystalline solar cell designed for educational projects, DIY electronics, and small renewable energy applications.This compact yet powerful solar panel delivers a stable 6V output with up to 3.5 Watts of power, making it perfect for charging sma..

ESP32 Wireless Module SIM Antenna WiFi Bluetooth Development Expand Board Devkit for ArduinoSpecifications For SIM800MCUESP32GSM/GPRSSIM800SIM Nano Card SlotYes [2G]ESP32Clock Speed240MhzFlash4MB/8MBPSRAM8MBWireless ConnectivityWi-Fi: 802.11 b/g/nBluetooth: v4.2 BR/EDR and BLEButtonENCharging ICIP53..

TTGO LoRa32 V2.1 868Mhz ESP32 LoRa OLED 0.96 Inch SD Card Bluetooth WIFI wireless Module ESP-32  SMA  Description:+Working voltage: 1.8~3.7v+Acceptable current：10~14mA+Transmit current: 120mA@+20dBm\90mA@+17dBm\29mA@+13dBm+Operating frequency:  868MMHz+Transmi..

Product:TTGO T-Beam ESP32 868Mhz WiFi Bluetooth Module ESP 32 GPS NEO-6M SMA LORA 32 18650 Battery holderNOTE:The shipping list does not include batteryCode:https://github.com/LilyGO/TTGO-T-BeamESP32WIFI&bluetoothLatest ESP32 Version: REV14MB Flash , 4MB PSRAM , 3D AntennaLORA+Working voltage: 1..

A basic development board with LCD, and a built-in ESP32 chip as master control, supports daily entry-level programming.SpecificationsMCU ESP32 Xtensa dual-core LX6 microprocessorWireless Connectivity Wi-Fi 802.11 b/ g/ n, BL V4.2+BLEProgramming Platform Arduino-ide、MicropythonSerial ..

IntroductionThe A02YYUW Waterproof Ultrasonic Sensor is a reliable, high-performance ranging module designed specifically for makers and smart home enthusiasts. This IP67-rated sensor delivers stable distance measurements from 3cm to 450cm, even in harsh, humid environments. Featuring a tiny 3cm bli..