ESP32 NodeMCU WROOM-32 Dev Board 30-Pin WiFi Bluetooth Dual Core Arduino ESPHome

Price: 5.49 GBP Condition: New

Use this page to compare prices and key details for ESP32 NodeMCU WROOM-32 Dev Board 30-Pin WiFi Bluetooth Dual Core Arduino ESPHome. We summarise the important specs and give quick buying tips so you can choose confidently. Looking at ESP32 NodeMCU WROOM-32 Dev Board 30-Pin WiFi Bluetooth Dual Core Arduino ESPHome? Below you’ll find a clear overview of the main features, what to check before buying, and how to compare offers from different sellers. Here’s a practical summary of ESP32 NodeMCU WROOM-32 Dev Board 30-Pin WiFi Bluetooth Dual Core Arduino ESPHome — including key item specifics, condition guidance, and what typically affects price so you can spot a good deal.

Item Specifics

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Description:

ESP32 NodeMCU (30-Pin) I²C Device ----------------------------------- 3V3 ───────────► VCC GND ───────────► GND GPIO21 ───────────► SDA GPIO22 ───────────► SCL Notes: • ESP32 uses 3.3 V logic • Always share GND between modules. Unbranded / Generic

Brand: Unbranded / Generic

Series: ESP32 NodeMCU WROOM-32

Type: Sensor Development Board

Program Memory Type: SRAM

Kit Name: DKJNA ESP32

Custom Bundle: No

RAM Size: 520 SK Ram

Supported Device: Arduino IDE, ESPHome, MicroPython

Features: Audio Interface, Bluetooth Connectivity, Display Interface, Flash Memory, LED, WiFi Connectivity

Country of Origin: China

Core: Arduino

Buying tips

Before you buy, check that the key specs match your needs (compatibility, size/fit, and any included accessories). Also confirm the seller’s returns policy and the delivery estimate. It’s worth comparing more than just price: condition, included parts, warranty/returns, and delivery costs can change the overall value. If you’re unsure, prioritise listings with clear photos and complete specifics. To avoid surprises, confirm model/variant details and look for accurate photos. If you’re buying used, pay attention to wear, working status, and what’s included in the box.

Price notes

Prices can vary based on condition, completeness (box/accessories), and seller location. Compare multiple listings to get a realistic range before deciding. The best value usually comes from the right mix of condition and total cost (item price + delivery). Check if the listing includes essential accessories to avoid extra spend. If you see big price differences, it’s often down to condition, extras, or shipping. Compare similar-spec listings rather than only the cheapest result.

Condition notes

Condition matters a lot for resale and reliability. Make sure the listing photos and description match the stated condition, and double-check any notes about faults or cosmetic wear. For used items, look for clear evidence of working status and any included accessories. If the condition is unclear, consider messaging the seller before purchase. If the item is listed as refurbished or pre-owned, verify what “refurbished” means for that seller (tested, repaired, cleaned) and whether returns are offered.

FAQ

What should I check before buying ESP32 NodeMCU WROOM-32 Dev Board 30-Pin WiFi Bluetooth Dual Core Arduino ESPHome?

Confirm the key specs (compatibility, size, and included accessories), then compare total cost (price + delivery). Review photos, condition notes, and the returns policy.

Why do prices vary for ESP32 NodeMCU WROOM-32 Dev Board 30-Pin WiFi Bluetooth Dual Core Arduino ESPHome?

Price differences are usually caused by condition, included extras, seller reputation, and delivery costs. Compare listings with the same model/variant for a fair comparison.

Is this page an official store?

No — Chumbay helps you compare offers from sellers. Availability and final pricing depend on the marketplace listing.