Board : LOLIN(WEMOS) D1 R2 & mini Driver USB : CP2102
ESP-WROOM-02 adalah modul Wi-Fi MCU 32-bit berdaya rendah, berdasarkan chip ESP8266. Jaringan TCP/IP, ADC 10-bit, dan antarmuka HSPI/UART/PWM/I2C/I2S semuanya tertanam dalam modul ini. Modul ini menggunakan flash SPI 2 MB yang terhubung ke HSPI, bekerja sebagai budak SDIO/SPI dengan SPI kecepatan hingga 8 Mbps.
· With nodemcu. · 18650 charging system integration. TP5410 5V 1A LiPo Charger & Boost Converter - 3000mah 18650 battery can make run for 17 hours or more. · Indication LED (green means full of red means · Charging) Charge and work can be done at the same time. · 1 switch control power supply. · 1 SMT connector available for sleep mode · 1 additional LED programmable (with gpio16 [do]) · 0.5a charge current 1A output · Overcharge protection · Over discharge protection · 10 digital pin read / write / interrupt / PWM / I2C / line support (except D0) · 1 analog input to be careful + -. If the battery is in the wrong direction, the charging chip will be destroyed.