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Files

Schematic

Code

Layout

3D View

Capacitance

0.01uF

Capacitance

0.01uF

C10

Capacitance

0.1uF

Capacitance

0.01uF

Capacitance

22uF

C11

Capacitance

0.1uF

Capacitance

1uF

Capacitance

22uF

Capacitance

22uF

Capacitance

0.1uF

Capacitance

0.1uF

LOCK

Resistance

10kΩ

Resistance

100kΩ

BOOT

USER

BAT1

Resistance

10kΩ

Manufacturer Part Number

STM32F103C8T6

Regular non-rechargeable AAA battery

Line 1

Not Recommended for New Designs

Inductance

2.2uH

IC1

PROG

OLED1

#include "stm32f1xx_hal.h"
#include "rc522.h"
#include "oled.h"
// Sample authorized card IDs
const uint8_t authorizedID1[] = { 0xAB, 0xCD, 0xEF, 0x01};
const uint8_t authorizedID2[] = { 0x23, 0x45, 0x67, 0x89};
void SystemClock_Config(void);
void GPIO_Init(void);
void SPI_Init(void);
int main(void) {
    HAL_Init();
    SystemClock_Config();
    GPIO_Init();
    SPI_Init();
    RC522_Init();
    OLED_Init();
    while (1) {
        uint8_t cardID[5];
        if (RC522_CheckID(cardID)) {
            if (isAuthorized(cardID)) {
                engageLock();
                OLED_DisplayString("Access Granted");
            } else {
                OLED_DisplayString("Access Denied");
            }

Line: 6:7: Variable 'uint8_t' implicitly has an 'any' type, but a better type may be inferred from usage.Line: 6:15: Variable 'authorizedID1' implicitly has an 'any' type, but a better type may be inferred from usage.Line: 7:7: Variable 'uint8_t' implicitly has an 'any' type, but a better type may be inferred from usage.Line: 7:15: Variable 'authorizedID2' implicitly has an 'any' type, but a better type may be inferred from usage.Line: 6:7: Cannot redeclare block-scoped variable 'uint8_t'.Line: 7:7: Cannot redeclare block-scoped variable 'uint8_t'.Line: 6:28: Type '{ 171: any; 205: any; 239: any; 1: any; }' must have a '[Symbol.iterator]()' method that returns an iterator.Line: 7:28: Type '{ 35: any; 69: any; 103: any; 137: any; }' must have a '[Symbol.iterator]()' method that returns an iterator.Line: 9:6: Cannot find name 'SystemClock_Config'.Line: 10:6: Cannot find name 'GPIO_Init'.Line: 11:6: Cannot find name 'SPI_Init'.Line: 13:1: Cannot find name 'int'. Did you mean 'Intl'?Line: 13:5: Cannot find name 'main'.Line: 14:5: Cannot find name 'HAL_Init'.Line: 15:5: Cannot find name 'SystemClock_Config'.Line: 16:5: Cannot find name 'GPIO_Init'.Line: 17:5: Cannot find name 'SPI_Init'.Line: 19:5: Cannot find name 'RC522_Init'.Line: 20:5: Cannot find name 'OLED_Init'.Line: 23:17: Cannot find name 'cardID'.Line: 24:13: Cannot find name 'RC522_CheckID'.Line: 24:27: Cannot find name 'cardID'.Line: 25:17: Cannot find name 'isAuthorized'.Line: 25:30: Cannot find name 'cardID'.Line: 26:17: Cannot find name 'engageLock'.Line: 27:17: Cannot find name 'OLED_DisplayString'.Line: 29:17: Cannot find name 'OLED_DisplayString'.Line: 32:9: Cannot find name 'HAL_Delay'.Line: 36:1: Cannot find name 'bool'.Line: 36:6: Cannot find name 'isAuthorized'.Line: 36:29: Cannot find name 'cardID'.Line: 41:6: Cannot find name 'engageLock'.Line: 45:6: Cannot find name 'SystemClock_Config'.Line: 49:6: Cannot find name 'GPIO_Init'.Line: 53:6: Cannot find name 'SPI_Init'.Line: 1:10: ';' expected.Line: 2:10: ';' expected.Line: 3:10: ';' expected.Line: 6:15: ',' expected.Line: 6:28: ',' expected.Line: 6:39: ':' expected.Line: 6:45: ':' expected.Line: 6:51: ':' expected.Line: 6:57: ':' expected.Line: 7:15: ',' expected.Line: 7:28: ',' expected.Line: 7:39: ':' expected.Line: 7:45: ':' expected.Line: 7:51: ':' expected.Line: 7:57: ':' expected.Line: 9:29: Expression expected.Line: 10:20: Expression expected.Line: 11:19: Expression expected.Line: 13:1: Unexpected keyword or identifier.Line: 13:14: Expression expected.Line: 13:16: ';' expected.Line: 23:9: Unexpected keyword or identifier.Line: 36:1: Unexpected keyword or identifier.Line: 36:37: ';' expected.Line: 41:19: ';' expected.Line: 45:29: Expression expected.Line: 45:31: ';' expected.Line: 49:20: Expression expected.Line: 49:22: ';' expected.Line: 53:19: Expression expected.Line: 53:21: ';' expected.

RF-ID lock reference design