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ESP-01 WiFi Module

Reference: 0104110000000897

Condition: New product

The ESP8266 Wifi module is a low cost and highly integrated chip that can easily bring your projects to the internet of things.

See description for more details about the product.

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Overview

The ESP8266 module can be integrated with sensors and other devices because it features a very powerful on-board processor and high storage capabilities.

This module is ideal for rapid development of your projects and prototypes.

Features

Integrated TCP/IP protocol stack
Wi-Fi Direct (P2P), soft-AP
Integrated PLL, regulators, and power management units
Integrated TR switch, balun, LNA, power amplifier and matching network
Integrated temperature sensor
Integrated low power 32-bit CPU
Supports antenna diversity
SDIO 2.0, SPI, UART
STBC, 1x1 MIMO, 2x1 MIMO
A-MPDU & A-MSDU aggregation & 0.4 µs guard interval

Specifications

802.11 b/g/n protocol
Wake up and transmit packets in <2 ms
Standby power consumption: < 1.0 mW (DTIM3)
Output power: +19.5 dBm (802.11b mode)
Power down leakage current: <10 uA
Supports three modes: AP, STA , AP + STA mode
PCB Size: 11 x 10 mm

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Reviews

Grade

Sergiu Vidrascu 02/14/2020

Absolut Genial!

Bun la de toate,
pubSub client pt nodeRed si MQTT
4 pini Digitali
RX/TX pot fi folositi si ca pini digitali
Over the Air Update disponibil, nu ai nevoie de cabluri.

1 out of 1 people found this review useful.

Grade

Adrian H 12/29/2016

Mic si puternic

Foarte util pentru automatizari.

Pro:
- pretul
- poate fi folosit si "stand alone".
- ofera 2 pini GPIO
- firmware-ul poate fi schimbat. (eu am pus unul personalizat de NodeMCU)

Contra:
- in timpul boot-ului GPIO 0 si 2 trebuie sa fie neconectati sau pull-ul... ceea ce face destul de grea folosirea lor ca iesire.
- in cazul in care se foloseste o rezistenta de pull-ul modulul de cam incalzeste

16 out of 17 people found this review useful.

Grade

tester 08/28/2016

Atentie!

Daca la alimentarea la 3,3V (cu regulator 3v3 sau cu solutia de divizor de mai sus) chipul ESP8266 se incalzeste puternic atunci este cazul sa reducem alimentarea la 2,5V si putem pune regulator de 2v5 + translatoare de nivel 2v5 ...3v3 ..5V (solutia pretentioasa) sau rezistente de 1k pe liniile de RX/TX etc.