STEM
Showing 2545–2592 of 2594 results
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ESP8266 & Bluetooth
TTGO ESP32 8Mb PSRAM development card with WiFi and Bluetoot
TTGO ESP32 8Mb PSRAM development card with WiFi and Bluetooth on battery
Working voltage: TYPE-C 5V
SPI FLASH: Default 32MBIT
Product size: about 54 * 28 * 10mm — Ideal for IoT, education, and rapid prototyping. PAN‑India shipping with GST invoice.SKU: OKYN220314-16 -
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ESP8266 & Bluetooth
Tuya Smart Wifi Motor Switch Module 5V 12V 32V 220V RF 433 R
Tuya Smart Wifi Motor Switch Module 5V 12V 32V 220V RF 433 Radio Remote Control 4 Channels Inching Relay for Alexa Google Home
Input : DC/AC 7-32V , AC85-250V
Max current : 2200W/10A — Ideal for IoT, education, and rapid prototyping. PAN‑India shipping with GST invoice.SKU: OKYN230705-41 4CH 7-32V -
ESP8266 & Bluetooth
USB 5.0 Bluetooth Adapter Mini V5 Audio Computer Transmitter
USB 5.0 Bluetooth Adapter Mini V5 Audio Computer Transmitter for PC Wireless Mouse Bluetooth Earphone Speaker Laptop Computer — Ideal for IoT, education, and rapid prototyping. PAN‑India shipping with GST invoice.
SKU: OKYN231017-20 -
ESP8266 & Bluetooth
WIFI Mobile Phone Remote Control Relay Module DC6V~36V Smar
WIFI Mobile Phone Remote Control Relay Module DC6V~36V Smart Home Phone APP ESP-12F XY-WF 36V
Power Supply Voltage: 6V to 36V
Board size: 65*19*31.6mm — Ideal for IoT, education, and rapid prototyping. PAN‑India shipping with GST invoice.SKU: OKYN220317-36 -
ESP8266 & Bluetooth
WiFi Single Relay Module AC 90-250V ESP32 Module Development
WiFi Single Relay Module AC 90-250V ESP32 Module Development Relay Board ESP32-32E
Voltage: AC90-250V
Board size: 80*45mm
4M Byte Flash
Controlling Loads: AC 250V/DC30V — Ideal for IoT, education, and rapid prototyping. PAN‑India shipping with GST invoice.SKU: OKYN2320-23










































