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IOT & WIRELESS
- You cannot add "Ai-Thinker VC-02 Offline Speech Recognition Control Module" to the cart because the product is out of stock.
2.4GHz NRF24L01 PA LNA SMA Wireless Transceiver Antenna
In stock
433MHz 12V 1 Channel Relay Module Wireless Remote Control Switch
In stock
433Mhz RSI RF Transmitter and Receiver Wireless Module
In stock
4CH Remote Control Transmitter Receiver Circuit
Out of stock
AI Thinker A9G GSM/GPRS+GPS/BDS Development Board Original Quality
Out of stock
Ai-Thinker VC-02 Offline Speech Recognition Control Module
Out of stock
Arduino UNO with Wi-Fi R3 ATmega328P+Node MCU ESP8266 CH340G Compatible Arduino
In stock
ESP32 38 Pin WiFi + Bluetooth NodeMCU-32 Development Board
In stock
IoT & Wireless Modules – Buy Smart Electronics Online from Stemvolt
Find the best range of IoT modules, wireless components, and smart connectivity boards at Stemvolt.in. Explore ESP8266, ESP32, NodeMCU, RF 433MHz, NRF24L01+, Bluetooth HC-05/06, GSM SIM800L, and GPS NEO-6M – perfect for automation, wireless control, and real-time tracking projects using Arduino, Raspberry Pi, and ESP boards.
Trusted by Engineers, Students & Makers Across India
Our modules support WiFi, Bluetooth, RF, GPRS, and GPS communication for building IoT devices, Blynk/MQTT-based automation, and cloud-integrated smart systems. Ideal for home automation, IoT Wireless startups, embedded learning, and DIY electronics projects.
Why Stemvolt
• Original, compatible, and affordable IoT parts
• Fast delivery, expert support, and bulk order deals
• One-stop store for IoT, coding, and robotics labs in India