Description
The ESP8266 ESP-01 is a Wi-Fi module that allows microcontrollers access to a Wi-Fi network. This module is a self-contained SOC (System On a Chip) that doesn’t necessarily need a microcontroller to manipulate inputs and outputs as you would normally do with an Arduino, for example, because the ESP-01 acts as a small computer. Depending on the version of the ESP8266, it is possible to have up to 9 GPIOs (General Purpose Input Output). Thus, we can give a microcontroller internet access like the Wi-Fi shield does to the Arduino, or we can simply program the ESP8266 to not only have access to a Wi-Fi network, but to act as a microcontroller as well. This makes the ESP8266 very versatile, and it can save you some money and space in your projects.
Features
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Model: ESP-01S
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Power: 3.3VDC, proper 3.3V voltage regulator, and NO level shifter is needed as the IO pins are 5V tolerant.
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802.11 b/g/n protocol
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Wi-Fi Direct (P2P), soft-AP
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Integrated TCP/IP protocol stack
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Integrated TR switch, balun, LNA, power amplifier, and matching network
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Integrated PLLs, regulators, DCXO, and power management units
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+19.5dBm output power in 802.11b mode
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Integrated temperature sensor
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Support antenna diversity
- Integrated low power 32-bit CPU could be used as an application processor
- Power down leakage current: < 10
- A-MPDU & A-MSDU aggregation & 0.4 ms guard interval
- Wake up and transmit packets in < 2 ms
- Standby power consumption of < 1.0 mW (DTIM3)
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