{"product_id":"esp32-solo-1-iot-development-board-module-for-arduino","title":"ESP32-SOLO-1 IoT Development Board Module for Arduino","description":"\u003cmeta name=\"description\" content=\"Buy ESP32-SOLO-1 IoT Development Board Module for Arduino online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eESP32-SOLO-1 IoT Development Board Module for Arduino\u003c\/h1\u003e\n\n\u003cp\u003eThe ESP32-SOLO-1 is a single-core variant of the popular ESP32 microcontroller featuring a 160MHz Xtensa processor, integrated WiFi and Bluetooth connectivity, and 4MB of flash memory for IoT and embedded applications. Professional developers, hobbyists, and industrial automation engineers use this module to rapidly prototype connected devices, sensor networks, and smart home applications that require low-power wireless communication. This board solves the critical challenge of integrating WiFi connectivity with Arduino-compatible programming while maintaining a compact form factor and cost-effective solution for IoT deployments.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe ESP32-SOLO-1 operates on a dual-stack architecture combining a 32-bit Xtensa processor running at 160MHz with dedicated hardware for WiFi 802.11 b\/g\/n and Bluetooth 4.2 protocols. The module integrates a complete RF front-end, power management circuit, and clock oscillator on a single chip, eliminating the need for external components. This design approach provides developers with a production-ready platform that handles complex wireless protocols at the hardware level while exposing a simple GPIO and SPI\/I2C interface for sensor integration and peripheral control.\u003c\/p\u003e\n\n\u003cp\u003eWhat distinguishes the SOLO-1 variant is its single-core configuration optimized for cost-sensitive applications where dual-core processing is unnecessary. The module features 520KB of SRAM for runtime operations, 4MB of SPI flash for program storage and OTA updates, and 1KB of eFuse for secure boot and encryption keys. Built-in ADC converters with up to 12-bit resolution enable analog sensor measurements, while PWM outputs support motor control and LED dimming. The Arduino IDE compatibility ensures seamless integration into existing development workflows without requiring proprietary tools or steep learning curves.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSingle-Core WiFi and Bluetooth IoT Microcontroller Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEspressif Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003e32-bit Xtensa Single-Core @ 160MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAM\u003c\/td\u003e\n\u003ctd\u003e520KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4MB SPI Flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless Connectivity\u003c\/td\u003e\n\u003ctd\u003eWiFi 802.11 b\/g\/n and Bluetooth 4.2 LE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003e34 total (28 usable as digital I\/O)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC Channels\u003c\/td\u003e\n\u003ctd\u003e12-bit SAR ADC with 8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e80mA active, 10uA deep sleep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual Protocol Wireless: Integrated WiFi and Bluetooth 4.2 LE for simultaneous connectivity to cloud platforms and mobile applications without external modules\u003c\/li\u003e\n\u003cli\u003eArduino Compatible: Fully supported by Arduino IDE with ESP32 board package, enabling C++ programming with familiar libraries and rapid prototyping\u003c\/li\u003e\n\u003cli\u003eLow Power Modes: Deep sleep at 10 microamps and light sleep at 0.8mA for battery-powered IoT devices requiring months of operation on single charge\u003c\/li\u003e\n\u003cli\u003eRich Peripheral Set: 12-bit ADC, SPI, I2C, UART, and PWM outputs enabling direct integration of sensors, displays, and actuators without additional interface circuits\u003c\/li\u003e\n\u003cli\u003eSecure Boot and Encryption: Built-in AES-128 encryption, SHA-256 hashing, and RSA signature verification for secure firmware updates and data protection\u003c\/li\u003e\n\u003cli\u003eOTA Updates: Over-the-air firmware update capability via WiFi, allowing remote maintenance and feature deployment without physical access to devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSmart Home Automation: WiFi-enabled smart switches, thermostats, and lighting controllers that communicate with cloud platforms and mobile apps for remote monitoring and scheduling\u003c\/li\u003e\n\u003cli\u003eIndustrial IoT Sensors: Temperature, humidity, and pressure monitoring nodes in manufacturing facilities that transmit data to MQTT brokers for real-time analytics and predictive maintenance\u003c\/li\u003e\n\u003cli\u003eWearable Devices: Bluetooth-connected fitness trackers and health monitoring devices that sync data to smartphones while maintaining ultra-low power consumption through sleep modes\u003c\/li\u003e\n\u003cli\u003eEnvironmental Monitoring: Weather stations and air quality sensors that log data locally and transmit periodic updates via WiFi to cloud databases for long-term trend analysis\u003c\/li\u003e\n\u003cli\u003eRobotics and Drones: Motor control boards with WiFi telemetry for autonomous vehicles requiring real-time communication and sensor fusion with onboard processing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eBegin by installing the ESP32 board package in Arduino IDE through the Boards Manager using the URL https:\/\/dl.espressif.com\/dl\/package_esp32_index.json. Connect the ESP32-SOLO-1 to your computer via USB-to-UART adapter (CH340G or CP2102), select the correct board and COM port, and verify the connection by uploading the blink sketch. The module operates at 3.3V logic levels, so ensure all external sensors and devices are compatible or use level shifters for 5V peripherals to prevent damage.\u003c\/p\u003e\n\n\u003cp\u003eFor WiFi applications, use the built-in WiFi library to scan networks and connect to your SSID with credentials. For Bluetooth projects, leverage the BLE library to advertise services and handle client connections. Configure GPIO pins as INPUT or OUTPUT using pinMode() function, read analog values with analogRead() on ADC-capable pins, and control PWM outputs with analogWrite(). Always add appropriate pull-up resistors (10k ohms) on I2C and SPI lines, and implement proper error handling for network timeouts and disconnections. Test power consumption in different sleep modes using a multimeter to optimize battery life for portable applications.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between ESP32-SOLO-1 and ESP32-WROOM-32?\u003c\/summary\u003e\n\u003cp\u003eThe SOLO-1 features a single processor core running at 160MHz, while the WROOM-32 includes dual cores. The SOLO-1 is more cost-effective for applications requiring WiFi and Bluetooth without heavy computational loads. Both share identical wireless capabilities and GPIO count, making the choice dependent on processing requirements and budget constraints.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this module with Arduino Uno shields?\u003c\/summary\u003e\n\u003cp\u003eThe ESP32-SOLO-1 is not pin-compatible with Arduino Uno due to different pin layouts and voltage levels. However, you can use it with custom shields designed for ESP32 or adapt Uno shields using level shifters and custom wiring. The Arduino IDE compatibility refers to software libraries, not hardware pin compatibility.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I upload code if I do not have a USB connector on the board?\u003c\/summary\u003e\n\u003cp\u003eThe ESP32-SOLO-1 module requires a USB-to-UART converter (CH340G or CP2102) connected to the TX, RX, GND, and 3.3V pins. Connect the converter to your computer via USB, select the corresponding COM port in Arduino IDE, and upload your sketch. Some development boards integrate this converter onboard for convenience.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum current draw from a single GPIO pin?\u003c\/summary\u003e\n\u003cp\u003eEach GPIO pin can safely source or sink up to 40mA. However, the total current from all GPIO pins combined should not exceed 120mA to avoid voltage regulation issues. Use external transistors or MOSFETs for controlling high-power loads like motors or relays.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I run both WiFi and Bluetooth simultaneously?\u003c\/summary\u003e\n\u003cp\u003eYes, the ESP32-SOLO-1 supports simultaneous WiFi and Bluetooth operation. However, due to shared antenna and RF circuitry, performance may degrade when both protocols are active. The module automatically manages RF switching, but you may experience reduced WiFi throughput or Bluetooth range when both are enabled continuously.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Engineer Store\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy ESP32-SOLO-1 IoT Development Board Module for Arduino Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eESP32-SOLO-1 IoT Development Board Module for Arduino\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eESP32-SOLO-1 IoT Development Board Module for Arduino\u003c\/strong\u003e with fast shipping and expert support.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43847458160803,"sku":"TES-EV00006154","price":1498.31,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/IMG_4694-2-314x252.jpg?v=1703854075","url":"https:\/\/www.theengineerstore.in\/te\/products\/esp32-solo-1-iot-development-board-module-for-arduino","provider":"The Engineer Store","version":"1.0","type":"link"}