A relay and ESP8266-related component listing with separate relay-module, ESP-01, ESP-01S and combined-kit options.
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A CLOSER LOOK
The general relay-board specification lists a 37 × 25 mm size and DC 5 V operating voltage. Those board details do not automatically describe each separately offered ESP component.
Explore the specificationsThe supplied material entry is Metal, Plastic.
The listed measurements are size: 37 x 25 mm / 1.46 x 0.98 inch.
The general packing list describes a relay module; other options separately offer an ESP-01, ESP-01S or combined kit.
These are general relay-board reference entries, not specifications for every standalone ESP option. The distance claim has no supplied test conditions and is not a guaranteed range.
Metal, Plastic.
Size: 37 x 25 mm / 1.46 x 0.98 inch.
Contents follow the selected option label. A relay module is not stated to be included with every separately offered ESP component.
Arduino WiFi Relay Module
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