# RC Car Controller Interface 8e1b ## Description PCB con un MCU diseñado para conectar un PC con el control de un auto RC de juguete. El MCU recibe mensajes UART del PC que indican comandos direccionales (adelante, atrás, izquierda, derecha) y activa uno de cuatro pines GPIO para simular pulsaciones de botones en el control del auto RC. ## Project Details - **Owner:** code-pretzel - **Created:** 8/8/2024 - **Last Updated:** 3/13/2025 - **Visibility:** Public ## Key Components ### BL_LED1 — BLUE_LED_0603_Diffused - Manufacturer Part Number: 150060BS55040 - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060BS55040.pdf - Purchase Url: https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/150060BS55040/8557178 - Manufacturer Name: Würth Elektronik - Current: 20mA - Max Reverse Voltage: 5V - Forward Voltage: 3.2V - Price: 0.19$ **Pins:** - 1 - 2 ### D1 — [Schottky Diode](https://www.flux.ai/corynrobinson/schottky-diode~hs.md) - Part Type: Diode - Current: 0.5A - Manufacturer Part Number: MBR0520LT1G - Manufacturer Name: onsemi - Breakdown Voltage: 20V - Package or Case Code: D_SOD-123 - Purchase Url: https://octopart.com/mbr0520lt1g-onsemi-2933?r=sp - Datasheet URL: https://www.onsemi.com/pdf/datasheet/mbr0520lt1-d.pdf **Pins:** - A - K ### D2 — [Schottky Diode](https://www.flux.ai/corynrobinson/schottky-diode~hs.md) - Purchase Url: https://octopart.com/mbr0520lt1g-onsemi-2933?r=sp - Datasheet URL: https://www.onsemi.com/pdf/datasheet/mbr0520lt1-d.pdf - Package or Case Code: D_SOD-123 - Breakdown Voltage: 20V - Manufacturer Name: onsemi - Manufacturer Part Number: MBR0520LT1G - Current: 0.5A - Part Type: Diode **Pins:** - A - K ### GN_LED1 — GREEN_LED_0603_Diffused - Purchase Url: https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/150060VS55040/8557182 - Forward Voltage: 2V - Manufacturer Name: Würth Elektronik - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Manufacturer Part Number: 150060VS55040 - Current: 20mA - Max Reverse Voltage: 5V - Price: 0.19$ **Pins:** - 1 - 2 ### J1 — [Pin Header 01x06 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x06-254mm-vertical~jyw.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] ### J2 — [Connector 01x04 Horizontal](https://www.flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - PIN_1 [pin 1] - PIN_2 [pin 2] - PIN_3 [pin 3] - PIN_4 [pin 4] ### J3 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### LED_BACK_BTN — GREEN_LED_0603_Diffused - Manufacturer Part Number: 150060VS55040 - Current: 20mA - Max Reverse Voltage: 5V - Price: 0.19$ - Purchase Url: https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/150060VS55040/8557182 - Forward Voltage: 2V - Manufacturer Name: Würth Elektronik - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf **Pins:** - 1 - 2 ### LED_FW_BTN — GREEN_LED_0603_Diffused - Price: 0.19$ - Manufacturer Part Number: 150060VS55040 - Max Reverse Voltage: 5V - Current: 20mA - Manufacturer Name: Würth Elektronik - Forward Voltage: 2V - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Purchase Url: https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/150060VS55040/8557182 **Pins:** - 1 - 2 ### LED_L_BTN — ORANGE_LED_0603_Diffused - Max Reverse Voltage: 12V - Current: 20mA - Forward Voltage: 2V - Manufacturer Name: ams-OSRAM USA INC. - Datasheet URL: https://dammedia.osram.info/media/resource/hires/osram-dam-5174598/LO%20Q976_EN.pdf - Purchase Url: https://www.digikey.com/en/products/detail/ams-osram-usa-inc/LO-Q976-PS-25-0-20-R18/1227953 - Price: 0.24$ - Manufacturer Part Number: LO Q976-PS-25-0-20-R18 **Pins:** - 1 - 2 ### LED_R_BTN — ORANGE_LED_0603_Diffused - Max Reverse Voltage: 12V - Current: 20mA - Forward Voltage: 2V - Manufacturer Name: ams-OSRAM USA INC. - Purchase Url: https://www.digikey.com/en/products/detail/ams-osram-usa-inc/LO-Q976-PS-25-0-20-R18/1227953 - Datasheet URL: https://dammedia.osram.info/media/resource/hires/osram-dam-5174598/LO%20Q976_EN.pdf - Price: 0.24$ - Manufacturer Part Number: LO Q976-PS-25-0-20-R18 **Pins:** - 1 - 2 ### SW2 — SWITCH_TLSMDT3C020GLFS - Datasheet URL: https://www.ckswitches.com/media/3238/ck_tlsm_datasheet.pdf - Purchase Url: https://www.digikey.com/en/products/detail/c-k/TLSM-D-T3-C-020-G-LFS/14553425 - Price: 1.55$ - Manufacturer Name: C&K - Manufacturer Part Number: TLSMDT3C020GLFS **Pins:** - A [pin 1] - B [pin 2] - C [pin 3] - D [pin 4] ### U2 — AVR128DA48T-I/PT - Price: 2.47$ - Manufacturer Name: Microchip Technology - Purchase Url: https://www.digikey.com/en/products/detail/microchip-technology/AVR128DA48T-E-PT/12177763 - Manufacturer Part Number: AVR128DA48T-I/PT - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/AVR128DA28-32-48-64-DataSheet-DS40002183B.pdf **Pins:** - AVDD [pin 28] - GND [pin 15] - GND [pin 43] - GND [pin 29] - PA0EXTCLK [pin 44] - PA1 [pin 45] - PA2 [pin 46] - PA3 [pin 47] - PA4 [pin 48] - PA5 [pin 1] - PA6 [pin 2] - PA7 [pin 3] - PB0 [pin 4] - PB1 [pin 5] - PB2 [pin 6] - PB3 [pin 7] - PB4 [pin 8] - PB5 [pin 9] - PC0 [pin 10] - PC1 [pin 11] - PC2 [pin 12] - PC3 [pin 13] - PC4 [pin 16] - PC5 [pin 17] - PC6 [pin 18] - PC7 [pin 19] - PD0 [pin 20] - PD1 [pin 21] - PD2 [pin 22] - PD3 [pin 23] - PD4 [pin 24] - PD5 [pin 25] - PD6 [pin 26] - PD7 [pin 27] - PE0 [pin 30] - PE1 [pin 31] - PE2 [pin 32] - PE3 [pin 33] - PF0XTAL32K1 [pin 34] - PF1XTAL32K2 [pin 35] - PF2 [pin 36] - PF3 [pin 37] - PF4 [pin 38] - PF5 [pin 39] - PF6*RESET [pin 40] - UPDI [pin 41] - VDD [pin 42] - VDD [pin 14] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/code-pretzel/rc-car-controller-interface-8e1b~jc](https://www.flux.ai/code-pretzel/rc-car-controller-interface-8e1b~jc).* --- *Generated from [https://www.flux.ai/code-pretzel/rc-car-controller-interface-8e1b~jc](https://www.flux.ai/code-pretzel/rc-car-controller-interface-8e1b~jc)*