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Uno R3 ATMEGA328 CH340 Development Board
Arduino Uno R3 is a microcontroller board based on the ATmega328P. It features 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz quartz crystal, a USB connection, a power jack, an ICSP header, and reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started. Due to the low-cost, you can tinker with your UNO without worrying too much about doing something wrong.
WeMos D1 R32 Uno ESP32 CH340 WiFi Development Board compatible with Arduino NodeMCU
D1 R32 features WiFi and Bluetooth BLE compatible with Arduino IDE and several UNO shields. It offers higher performance than the ESP8266 processor on NodeMCU boards.
Working voltage: 5V-12V DC.
Current: 250mA (maximum).
Minimum operating current (without WiFi): 20mA.
WiFi 802.11 b/g/n/e/i (802.11n up to 150 Mbps).
Micro USB port with CH340 serial driver.
4MB flash memory.
Clock speed: 240MHz .
Dimensions: 68mm x 53mm.
20 digital inputs/outputs (3.3V).
6 analog inputs.
MG90S Micro Servo Motor Metal Geared 180° 360°
LTC1871 DC-DC 5A 3-35V to 3.5-35V Step-up Boost Converter Power Supply Module
