LONELY BINARY
3 x ESP32-C3 OLED WiFi Bluetooth Development Board with Expansion Shields, Screw & Non-Screw Terminals Lipo UPS Battery Charging for IoT Projects Compatible with Arduino IDE C++
*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.
Bottom line: The 3 x ESP32-C3 OLED WiFi Bluetooth Development Board with Expansion Shields, Screw & Non-Screw Terminals Lipo UPS Battery Charging for IoT Projects Compatible with Arduino IDE C++ is a category leader on buyer feedback in the single board computers category, priced around $35.00, rated 4.6★ across 25 verified Amazon reviews. A confident buy for most shoppers in this category.
Product DescriptionUnlock endless possibilities in IoT, prototyping, and embedded projects with the Lonely Binary ESP32-C3 OLED Kit. This comprehensive bundle includes three high-performance ESP32-C3 development boards, each featuring a built-in OLED display for real-time data visualization and debugging. Paired with versatile expansion shields, this kit supports seamless integration of protected LiPo batteries (like 18650 cells) for portable, battery-powered applications. (Battery is not included.)Designed for uninterrupted operation, the LiPo battery functions like a UPS system: when…
SpecPicks Verdict
SpecPicks classifies Lonely Binary 3 x ESP32-C3 OLED WiFi Bluetooth Development Board… as a category leader on buyer feedback in the single board computers category, based on 25 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. LONELY BINARY's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for single board computers of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.6★ average across customer reviews
- ✓ Backed by LONELY BINARY's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 【Triple ESP32-C3 Boards with OLED Displays】Includes 3x compact ESP32-C3 development boards equipped with integrated OLED screens for instant data readout, Wi-Fi/Bluetooth LE connectivity —perfect for IoT prototyping and real-time monitoring.
- 【Lipo UPS Power Management】 LiPo batteries (not included) act as an instant backup; Type-C powers the board and charges the battery when connected, switching to battery power without reboots or interruptions for continuous operation.
- 【Versatile Expansion Shields】 Comes with a 2.54mm Expansion Shield featuring dual male/female GPIO pins to avoid jumper cable issues, a Screw Terminal Shield for durable permanent projects, and a Non-Screw Terminal Shield for fast prototyping with direct raw cable connections.
- 【Universal LiPo Battery Compatibility】All shields support any protected LiPo battery (e.g., 18650), with automatic 3.3V step-down for powering the ESP32-C3 and built-in charging via USB Type-C for uninterrupted operation.
- 【Battery Monitoring Made Simple】Integrated battery monitor pads on every shield—short them to enable real-time voltage tracking on your ESP32-C3, helping you manage power efficiently in portable setups.
- 【Ideal for Makers and Developers】Supports frameworks like Arduino, MicroPython, and ESP-IDF; great for wireless sensors, smart displays, or custom electronics—affordable, expandable, and user-friendly for beginners to experts.
Full Specifications
| Brand | LONELY BINARY |
|---|---|
| CPU Model | E-Series |
| Model Name | 3-PACK ESP32-C3 OLED Kit |
| Unit Count | 6.0 Count |
| Connectivity | Bluetooth, USB, WiFi |
| Model Number | 3-PACK ESP32-C3 OLED Kit |
| Connection Type | Wireless |
| Mfr Part Number | 3-PACK ESP32-C3 OLED Kit |
| Processor Brand | Espressif |
| Processor Count | 3 |
| Total Usb Ports | 1 |
| Operating System | Arduino IDE |
| Compatible Devices | Arduino UNO Arduino Mega Arduino Nano, ESP32 Development Boards Raspberry Pi 3 / 4 / 5, Raspberry Pi Pico STM32 Microcontrollers Other 3.3V / 5V Microcontroller Boards |
| Warranty Description | 1 Year Warranty |
Ready to buy?
Lonely Binary 3 x ESP32-C3 OLED WiFi Bluetooth Development Board with Expansion Shields, Screw & Non-Screw Terminals Lipo UPS Battery Charging for IoT Projects Compatible with Arduino IDE C++ is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.
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