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Description
Protecto ejecutado en PCB, que usa el chip de Atmel Atmega328p para manejar un boar de GSM SIM800l rojo y un adaptador de red ENC28j60 simultaneamente con 4 entradas digitales, activadas con contacto a tierra y 3 entradas analogas, en principio reducele entrada en 11 para entrar al MPU. Por ultimo, 4 LED en los puertos D2, D3, D4 y D5.
El PCB que se mando hacer no coincide con el del archivo en este proyecto, ya que le faltam algunas conecciones.
Hay otro proyecto de donde salio este "SR_cpu"
Esta descrito en la pagina #87 de la mascota de proyectos.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | Vcc | 5.0V,3.3V | HDR-TH_4P-P2.54-V | 2 |
| 2 | Vin | VIN | HDR-TH_4P-P2.54-V | 1 |
| 3 | 1000u | C4 | CAP-D10.0XF5.0 | 1 |
| 4 | Serial to TTL | H9 | HDR-TH_6P-P2.54-V | 1 |
| 5 | DC IN | U4 | CONN-TH_2P-P5.00_DB128L-5.0-2P | 1 |
| 6 | Jp 2 | U5 | JUMPER | 1 |
| 7 | Jp 1 | U7 | JUMPER | 1 |
| 8 | 1N4008 | D4 | TH50 | 1 |
| 9 | AMS1117 | U2 | SOT-223-3_L6.5-W3.4-P2.30-LS7.0-BR | 1 |
| 10 | 0.1u | C3 | RAD-0.1 | 1 |
| 11 | 3.3v | P0 | HDR-TH_1P-P2.54-V-M | 1 |
| 12 | Vbat | P4 | HDR-TH_1P-P2.54-V-M | 1 |
| 13 | LM7805 | U3 | TO-220-3_L10.0-W4.5-P2.54-L | 1 |
| 14 | GND | GND1 | HDR-TH_8P-P2.54-V | 1 |
| 15 | PA LOW | H2 | HDR-TH_8P-P2.54-V | 1 |
| 16 | PA HI | H1 | HDR-TH_8P-P2.54-V | 1 |
| 17 | PB LOW | H3 | HDR-TH_8P-P2.54-V | 1 |
| 18 | PB HI | H4 | HDR-TH_8P-P2.54-V | 1 |
| 19 | ON/OFF | SW1 | SW-TH_EG1218 | 1 |
| 20 | STM32F103C8T6_BluePill | U1 | STM32F103C8T6_BLUEPILL | 1 |
| 21 | .1u | C5,C1 | RAD-0.1 | 2 |
| 22 | ARDUINO2009_21 | U6 | ARDUINO2009_1 | 1 |
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