![]() For students and makers who can not afford too much on hardware purchasing, Beetle can be a great solution.Recently I was working on a project with Arduino Nano. Beetle aims to solve problems of the low-cost controller, ease-of-using properly, and to provide a low-cost solution for disposable projects, such as DIY projects, workshops, gift projects, E-Textiles, and education. Select “Arduino Leonardo (tools – board – Arduino Leonardo in Arduino IDE), the ATmega32U4 comes pre burned with a bootloader that allows you to upload any new code that is applicable to Arduino Leonardo.Īs the DFRobot smallest board compatible with Arduino Leonardo, it enjoys similar powerful functionalities. To further make it user-friendly, it is compatible with Micro USB so that direct programming and testing is no longer a headache. It comes with Atmel ATmega32U4 ( datasheet) clock time and has expanded amounts of interfaces: 10 digital pins, 5 analog pins, and 4 pwn pins. It derives its core notion from minimalism without compromising functionality. By using an I 2C compatible ADC chip, developers can read the analog data from the analog port.īeetle is fully compatible with the Arduino Leonardo board. The basic function of the shield is to help connect to an external device using I 2C. This shield serves as an interface between the MT3620 UART port and external I 2C devices, like the I 2C temperature sensor. The power source is automatically selected to the highest voltage source. It can be powered via the Mini-B USB connection, a 6-20V unregulated external power supply (pin 30), or 5V regulated external power supply (pin 27). This version of the Nano uses the CH340G USB interface controller. It is compatible with Arduino programs and the Arduino IDE. It lacks only a DC power jack, and uses the more compact Mini USB (Mini-B) connector instead of a standard USB connector. It has more or less the same functionality as the Arduino Duemilanove, but in a smaller package. This Arduino-compatible Nano V3.0 micro-controller is a small, complete, micro-controller board based on the ATmega328 MCU. Support USB virtual serial port, hardware serial port, BLE three-way transparent transmission.Support Bluetooth host mode to automatically connect slaves.Transmission distance: open distance 50m.Fully compatible for Arduino Nano-V3.0 pins and usage.More convenient for application of BLE-Nano-Board integrates a CC2540 BLE module with Arduino nano v3.0 board, which is very convenient for Bluetooth wireless connect applications. ![]() Communication distance can reach 50M in an open environment. Maximum support 1Mbps air data transfer rate, stable performance. High-quality material and Technology is being used the Bluetooth is used TI CC2540 BLE (SOC) chip. The micro USB port is more convenient to use Super small volume design, more convenient to use this PCB size is only 48mm*19mm, the pin is fully compatible with Nano V3.0, No Soldering is needed. ![]() BLE-Nano-Board is PIN-PIN with Arduino Nano V3.0, and share the same It is fully compatible with the common nano board. I2C bus master controller with UART interfaceīLE-Nano-Board has a main chip ATMEGA328P-MU QFN32, the latest bootloader (Arduino IDE 1.8.8) was burned down.12-bit ADC converter, compatible with I2C interface.Tiny size makes it perfect for compact projects.Supplied with connector pins (headers), not soldered to the board for user flexibility.Recommended input voltage: 7V – 12V DC on pin 30 or 5V on pin 27.Support USB download and Power over Mini-B Mini USB connector.Uses Atmel Atmega328P-AU MCU with bootloader installed.1 pair of TTL level serial transceiver ports: RX / TX.14 Digital input / output ports: TX, RX, D2 – D13.CH340G USB bus converter chip replaces FT232RL. ![]()
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