| 4.3 El PULSADOR | Biel Gallego | 2022-10-19 08:51:06 | ESP32 STEAMakers + Imagina TdR STEAM | |
| 4.ders ses (buzzer) | Elifmerve Ertan | 2019-01-25 18:14:11 | UNO | |
| 40 Relés MQTT | Pipo A X | 2019-05-23 16:52:51 | MEGA / 2560 | |
| 456 | Cat Pop | 2022-11-11 01:38:33 | UNO | |
| 4WD Robotrash - Controlado por Bluetooth | Facilitador01 Icr3a | 2020-02-17 15:06:50 | UNO | |
| 4WD Robotrash - Seguidor de linea | Facilitador01 Icr3a | 2020-02-17 14:55:17 | UNO | |
| 4WD self-driving car avoiding obstacles | Hongseok Kim | 2018-07-27 02:14:07 | UNO | |
| 4_led_kette_dimmen_1.1 (2) | Hans Wurst | 2018-03-09 12:41:58 | UNO | |
| 4_led_lauflichtgeschwindigkeit | Hans Wurst | 2018-03-09 13:00:21 | UNO | |
| 4a.- Semáforo ampliado | Ernesto J. Abad | 2019-06-14 08:53:29 | UNO | |
| 4b.- Semáforo ampliado con peatones | Ernesto J. Abad | 2019-06-14 08:54:06 | UNO | |
| 4bis .1 | Biel Gallego | 2022-10-24 08:55:47 | ESP32 STEAMakers + Imagina TdR STEAM | |
| 4bis.2 | Biel Gallego | 2022-10-26 08:30:31 | ESP32 STEAMakers + Imagina TdR STEAM | |
| 4c.- Semáforo con peatones mejorado | Ernesto J. Abad | 2019-06-14 08:54:42 | UNO | |
| 4to sec Luces Bluetooth :v | Yemira Fernanda Ayna Quispe | 2018-10-02 17:14:12 | UNO | |
| 4wd Robotrash - Ctrl ultrasonido | Facilitador01 Icr3a | 2020-02-19 19:01:38 | UNO | |
| 5 | Jesu Trucos | 2021-05-17 08:41:28 | UNO + Imagina TdRSTEAM | |
| 5 Leds con LDR | Gonzalo Ramirez Perez | 2020-01-14 11:57:23 | UNO | |
| 5 ledkette | User Ten | 2019-02-22 12:36:35 | NANO / ATmega328 | |
| 5. | Aitor Piña | 2023-01-09 13:28:19 | ESP32 STEAMakers | |
| 5.- Entradas analógicas con Arduino: LDR | Jose Pablo Benitez Ribera | 2020-01-15 12:20:28 | UNO | |
| 5.- Entradas analógicas con Arduino: LDR | Raul Vega Perez | 2020-01-13 11:42:55 | UNO | |
| 5.1 | Nahia Gomà Berganza | 2022-10-24 08:55:40 | ESP32 STEAMakers + Imagina TdR STEAM | |
| 5.1 LDR y leds | Jose Pablo Benitez Ribera | 2020-03-11 12:53:49 | UNO | |
| 5.1 LDR y leds | Laura Roldan Gomez | 2020-01-22 12:30:13 | UNO | |