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Product: MakerFocus ESP32 Development Board Upgraded Version 8MB Flash, ESP32 WiFi Bluetooth, ESP32 OLED 0.96 Inch OLED Display CP2102 Internet for Ar duino ESP8266 NodeMCU ESP32 Development Board WiFi with 0.96inch OLED Display WIFI Kit32 Arduino Compatible CP2012 for Arduino Nodemcu
Description:
WIFI Kit series is the new development of the cost-effective networking program,
the main chip using Lexin ESP32, Tensilica LX6 dual-core processor, 240MHz, computing power up to 600DMIPS, chip built-in 520 KB SRAM,
802.11 b / g / N HT40 Wi-Fi transceiver, baseband, protocol stack and LWIP, integrated dual-mode Bluetooth
(traditional Bluetooth and BLE low power Bluetooth).
Onboard 32MByte Flash, Wi-Fi antenna,
0.96-inch blue OLED display, lithium battery charging circuit and interface,
CP2102 USB to serial chip, the perfect support for Arduino development environment
Specification:
Operating voltage: 3.3V to 7V
Operating temperature range: -40 C to + 90 C
Data rate: 150 Mbps @ 11n HT40,72 Mbps @ 11n HT20,54 Mbps @ 11g, 11 Mbps @ 11b
Transmit power: 19.5 dBm @ 11b, 16.5 dBm @ 11g, 15.5 dBm @ 11n
Flash Size : 4MByte(32M-bits)
Module Size:50*25.4*10.3 mm
Lithium battery interface:2Pin-1.25mm interface

Receiver sensitivity up to - 98 dBm
UDP continues to throughput by 135 Mbps
Supports Sniffer, Station, softAP and Wi-Fi Direct modes
What you will get:
1 * ESP32 Development Board with OLED
2 * Pin headers [Full documentation]: https://drive.google.com/file/d/1_P9HP9dKquaM_gGJa4mBdF9D2Kwx_v6s/view?usp=sharing; [Note]: This ESP32 development board comes unassembled, soldering of headers is required!!★ It can lithium battery powered, the lithium battery is not included, battery may be purchased here: https://www.amazon.com/dp/B07CXNQ3ZR
★Add battery power detection circuit. Use ADC2_4 (GPIO 13) to read battery voltage, Please get the example link from the product description below
[This is an upgraded version WiFi Kit 32! ] What's the Upgrade of New WiFi Kit 32? 1. 4MB (32M-bits) FLASH upgrade to 8MB (64M-bits) FLASH; 2. Better 2.4GHz antenna design and impendence matching; 3. Basic low power design (800uA in deep sleep); 4. Add battery power detection circuit. Use ADC2_4 (GPIO 13) to read battery voltage. Please get the example link from the product description below
5. Add Vext power output pin, users can use this pin to drive some external device (sensor, motor etc.), when system need into deep sleep mode, Vext can be turn off. This pin was controlled by GPIO21, for example: Turn ON: digitalWrite(21, LOW); Turn OFF: digitalWrite(21, HIGH)
6. New WiFi Kit 32 pinout diagram; 7. New WiFi Kit 32 schematic diagram; 8. Circuit optimization, system more stable; 9. Better power manage system design MakerFocus white