ESP32 30pini GPIO wifi bluetooth dual core microUSB 60ron a doua poza
ESP32 S2 mini wifi bluetooth typeC pcb mov 45ron peultima poza
ESP43-CAM include camera foto si programator micro USB 60ron
Arduino uno R3 USB-TTL converter CH340 conector USB mare (52ron)
arduino nano v3 mini usb pcb albastru 44ron
Attiny85 digispark controler cu conector USB sau microusb (cel mai mic controler similar Arduino) 8pini, max curent pe pin 40mA, ADC 4canale 10bit, 8Kbytes memorie: 29ron

lista cu toate piesele
https ://docs.google.com/spreadsheets/d/1w0w-BvCeIwW5I8LyiuOfJxuoq16B7IrULzRnidQiQFI/edit?usp=sharing_eip&ts=5c5b5c6f

drivere pt arduinoide:
https: //www.best-microcontroller-projects.com/digispark-attiny85-arduino-install.html https: //github.com/digistump/DigistumpArduino/releases/download/1.6.7/Digistump.Drivers.zip
https: //digistump.com/wiki/digispark/tutorials/connecting

50ron Arduino uno varianta cu chip atmel original pe soclu
esp8266 nodemcu wifi 45ron
wemos D1 mini wifi esp8266 40ron
esp32 nodemcu wifi bluetoth 50ron
produse noi sigilate

specificatii Arduino uno/nano:
Microcontroller Atmel ATmega328
Power Out5V-800mA 3.3V-800mAPower In (pin VIN)6-12V
Power to USB 5V (500mA maximum)

Technical parameters:
1. 20 digital input/output port RX and TX, D2 ~ D13, A0 ~ A5
2. 8 analog input port A0 ~ A7
3. 1 to the TTL level a serial port to send and receive port RX/TX
4. 6 PWM port, D3, D5, D6, D9, D10, D11
5. Using Atmel Atmega328P-AU microcontroller
6. Support serial download and ISP download
7. Support external 3.3V ~ 12V dc power supply
8. Support the Li-ion polymer batteries while direct connect Vcc Pin
9. 16 MHZ clock frequency

Nano V3 constructed on the ATmega328 microcontroller (16MHz) has the small size and can be used together with model boards for solderless wiring (breadboard). It has similar structure with Arduino Diecimila/Duemilanove, but different size. To reduce the size, components are mounted on both sides of the PCB.
The board uses a chip CH340G as converter UART-USB. Chip CH340G with an operation frequency in 12Mhz, yields stable result of a data interchange (for correct installation of drivers on the computer follow the instruction).
Nano V3, can be powered via microUSB-port (up to 500mA). On board have fuser for 500mA for save from USB-port. External power supply 6-12V unregulated to output VIN, or 5V external power source to a regulate output of 5V. The power supply is automatically selected with the maximum voltage value.