{"product_id":"modul-wifi-wemos-esp-wroom-02-s-esp8266-na-baterii","title":"Wemos ESP-WROOM-02 WiFi module with ESP8266 on battery","description":"The development board integrates the ESP8266 and 18650 batteries. A standard 18650 battery can last up to 17 hours.\u003cbr\/\u003e\u003cbr\/\u003eCaution: If the battery is reversed, the charging chip will be destroyed\u003cbr\/\u003e\u003cbr\/\u003eTechnical parameters:\u003cbr\/\u003e\u003cbr\/\u003e- integrated 18650 battery charging system\u003cbr\/\u003e- LED indicator - green - fully charged, red - charging in progress\u003cbr\/\u003e- it can work and charge at the same time\u003cbr\/\u003e- 1x power switch\u003cbr\/\u003e- 1x SMT connector for sleep mode\u003cbr\/\u003e- charging current: 0.5A\u003cbr\/\u003e- output current: 1A\u003cbr\/\u003e- overload protection\u003cbr\/\u003e- 10 digital pins\u003cbr\/\u003e- PWM, I2C support\u003cbr\/\u003e- 1x analog input\u003cbr\/\u003e\u003cbr\/\u003eFunction:\u003cbr\/\u003e\u003cbr\/\u003e- AD imput\u003cbr\/\u003e- micro USB imput\u003cbr\/\u003e- programmable LED (D0)\u003cbr\/\u003e- AUTO PROGRAM.ESP8266 circuit (ESP-WROOM-02 S TELEC), equivalent to NodeMCU\u003cbr\/\u003e- analog input (AD): Built-in dividing resistor (AD = 220K – ADC – 100K = GND)\u003cbr\/\u003e- a SOLDER terminal is available for sleep mode\u003cbr\/\u003e- compatible with Arduino and NodeMCU\u003cbr\/\u003e- operation and charging are possible simultaneously\u003cbr\/\u003e- 18650 charging circuit including 5V boost circuit with TP5410\u003cbr\/\u003e- built-in overcharge protection\u003cbr\/\u003e- LED: red = charging, green = full charging\u003cbr\/\u003e- integrated 18650 battery charging and discharging system\u003cbr\/\u003e- one switch controls whether the 18650 battery is powered or not\u003cbr\/\u003e- SLEDOLED and SCL connected to pins D1 and D2\u003cbr\/\u003e- 5 buttons are controlled by FLASH, RESET, D5, D6 and D7\u003cbr\/\u003e- 5 digital pins can configure stand-alone writable \/ writable \/ interruptible \/ PWM \/ I2C \/ single wires\u003cbr\/\u003e- operation and consistent NodeMCU, by adding a programmable LED, you can use GPIO16 to control, display the operating status of the 8266 and other functions.\u003cbr\/\u003e- integrated OLED and five buttons, more convenient for development\u003cbr\/\u003e- the design concept is based on the NodeMCU open source project and the development board integrates 18650 charging and discharging systems with charge and discharge protection\u003cbr\/\u003e- at the same time, OLEDs and five directional buttons are integrated to facilitate development.\u003cbr\/\u003e\u003cbr\/\u003e\u003cbr\/\u003e\u003cbr\/\u003e\u003cbr\/\u003e\u003cbr\/\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":52554538287442,"sku":"09830050","price":179.0,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/9624\/1490\/files\/09830050_e9508fa2-e15b-40ba-815f-26ee59812d97.png?v=1775549771","url":"https:\/\/tipa-production.myshopify.com\/en\/products\/modul-wifi-wemos-esp-wroom-02-s-esp8266-na-baterii","provider":"TIPA","version":"1.0","type":"link"}