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Write I2C initialization code
Generate firmware skeleton
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.


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RF-ID lock reference design

RF-ID lock reference design thumbnail
This project is an RF-ID lock circuit, complete with microcontroller (MCU). It features an RC522 RFID reader for identification, controlled by an STM32F103C8T6 MCU. The structure also includes an OLED display, lock circuit, and user interface switches. Designed to operate with a AAA battery power source. #MCU #referenceDesign #simple-embedded #stm #project #STM32 #lock #OLED #template #reference-design

Pricing & Availability

Distributor

Qty 1

Arrow

$5.68–$8.10

Digi-Key

$11.51–$16.66

LCSC

$6.82

Mouser

$8.83–$11.42

Verical

$3.65–$10.88

Controls