Übersicht verfügbarer µC MicroController Boards
^                                 ^ Raspberry Pico                                                  | ESP8266 NodeMCU V2  | NodeMCU V3      | ESP32 NodeMCU     | ESP8266 WeMos D1 Mini  | Arduino NANO 3                 | Arduino UNO R3  | Arduino UNO WIFI R2  | Arduino Mega    |
| Microcontroller                 | RP2040 2x M0+                                                   | ESP8266             | ESP8266         | ESP32             | ESP8266                | ATmega328p                     | ATmega328p      | ATmega4809           | ATmega2560      |
| Operating Voltage               | 5V                                                              | 3.3V                | 3.3V            | 3.3V              | 3.3V                   | 5V                             | 5V              | 5V                   | 5V              |
| Power supply                    | 7V – 12V                                                        | 7V – 12V            | 7V – 12V        | 7V – 12V          | 4V – 6V                | 7V – 12V                       | 7V – 12V        | 7V – 12V             | 7V – 12V        |
| Current consumption             | 50 mA – 200 mA                                                  | 15 µA – 400 mA      | 15 µA – 400 mA  | 20 mA – 240 mA    |                        | 19 mA – 180 mA                 | 45 mA – 80 mA   | 50 mA – 150 mA       | 50 mA – 200 mA  |
| Current consumption Deep Sleep  | 1.4 mA – 1.9 mA                                                 | 0.5 µA              | 0.5 µA          | 5 µA              |                        | 23 µA (with special settings)  | 35 mA           | 35 mA                | 500 µA          |
| Digital I/O Pins                | 26                                                              | 11 or 13            | 16              | 36                | 11                     | 14                             | 14              | 14                   | 54              |
| Digital I/O Pins with PWM       | 1                                                               | 11 or 13            | 16              | 36                | 11                     | 6                              | 6               | 5                    | 15              |
| Analog Input Pins               | 3                                                               | 1                   | 1               | 15                | 1                      | 8                              | 6               | 6                    | 16              |
| SPI/I2C/I2S/UART                | 2/2/2/2                                                         | 2/1/2/2             | 2/1/2/2         | 4/2/2/2           | 1/1/1/1                | 1/1/1/1                        | 1/1/1/1         | 1/1/1/1              | 1/1/1/4         |
| DC Current per I/O Pin          |                                                                 | 12 mA               | 12 mA           | 20 mA             |                        | 40 mA                          | 40 mA           | 40 mA                | 20 mA           |
| DC Current for 3.3V Pin         |                                                                 |                     |                 | 40 mA             |                        | 50 mA                          | 150 mA          | 150 mA               | 150 mA          |
| Flash Memory                    | 2 MB                                                            | 4 MB                | 4 MB            | 4 MB              | 4 MB                   | 32 KB                          | 32 KB           | 48 KB                | 256 KB          |
| SRAM                            | 264 KB                                                          | n.A                 | 64 KB           | 520 KB            |                        | 2 KB                           | 2 KB            | 6 KB                 | 8 KB            |
| EEPROM                          |                                                                 | 512 bytes           | 512 bytes       | –                 |                        | 1024 bytes                     | 1024 bytes      | 256 bytes            | 4096 bytes      |
| Clock Speed                     | 133 Mhz                                                         | 52 MHz              | 80 MHz          | 80 MHz / 160 MHz  | 80 MHz / 160 MHz       | 16 MHz                         | 16 MHz          | 16 MHz               | 16 MHz          |
| Length                          | 51 mm                                                           | 48 mm               | 58 mm           | 52 mm             | 34                     | 45 mm                          | 69 mm           | 69 mm                | 102 mm          |
| Width                           | 21 mm                                                           | 26 mm               | 31 mm           | 31 mm             | 26                     | 18 mm                          | 53 mm           | 53 mm                | 53 mm           |
| WIFI                            | yes                                                             | yes                 | yes             | yes               | yes                    | no                             | no              | yes                  | no              |
| Bluetooth                       | no                                                              | no                  | no              | yes               | no                     | no                             | no              | no                   | no              |
| Touch sensor                    | no                                                              | no                  | no              | 10                | no                     | no                             | no              | no                   | no              |
| CAN                             | no                                                              | no                  | no              | yes               | no                     | no                             | no              | no                   | no              |
| Ethernet MAC Interface          | no                                                              | no                  | no              | yes               | no                     | no                             | no              | no                   | no              |
| Temperature Sensor              |                                                                 | no                  | no              | yes               | no                     | no                             | no              | no                   | no              |
| Hall effect sensor              |                                                                 | no                  | no              | yes               | no                     | no                             | no              | no                   | no              |
| Power jack                      |                                                                 | no                  | no              | no                | no                     | no                             | yes             | yes                  | yes             |
| USB connection                  | yes                                                             | yes                 | yes             | yes               | yes                    | yes                            | yes             | yes                  | yes             |
| Price                           | 6-8€                                                            | $6                  | $6.50           | $11               | $6                     | $22                            | $22             | $44.90               | $38.50          |
| Datenblatt Board                | https://datasheets.raspberrypi.com/pico/pico-datasheet.pdf      |                     |                 |                   |                        |                                |                 |                      |                 |
| Datenblatt µC                   | https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf  |                     |                 |                   |                        |                                |                 |                      |                 |