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STM32F103C8T6 (Blue Pill)
Microcontrolador ARM de 32 bits muito econômico com excelente desempenho. Popular na comunidade maker por seu baixo custo e alta capacidade de processamento.
APPROX. PRICE
$20-30
DIFFICULTY
Medium
BEST FOR
Projects
SPEED
72 MHz
🚀 Get Started Now
🎯 Essential STM32F103C8T6 (Blue Pill)
✅ Advantages
- • Compact size
- • Easy prototyping
- • Good price/performance ratio
⚠️ Limitations
- • Limited resources
- • No advanced connectivity
⚖️ Quick Comparison vs Alternatives
| Feature | STM32F103C8T6 (Blue Pill) | Arduino Uno | ESP32 |
|---|---|---|---|
| Wi-Fi | ❌ No | ❌ No | ❌ No |
| Price | $20-30 | $20-30 | $35-45 |
| Difficulty | Medium | Easy | Medium |
📋 Technical Specifications
Microcontrolador
ChipSTM32F103C8T6
ArquiteturaARM Cortex-M3
Velocidade do Clock72 MHz
Memoria
Memória Flash64 KB
SRAM20 KB
EEPROM0 (EEPROM emulada)
Alimentación
Voltagem de Operação3.3 V
Voltagem de Entrada3.3-5 V
USBMicro USB (con bootloader)
Entradas/Salidas
E/S Digital37 (20 PWM)
E/S Analógica16 (0 DAC)
Dimensões52 x 22 mm
Comunicação
UARTSPII2CUSBCAN
Características
ARM 32-bit
72MHz
Muito econômico
37 GPIO
Comunicação CAN
Compatível ST-Link
Aplicações
Projetos ARM econômicos
Controle industrial
Comunicação CAN
Processamento rápido
Sistemas embarcados
🛠️ Popular Projects with STM32F103C8T6 (Blue Pill)
🤖
Line Following Robot
Robot that follows lines with IR sensors and motors.
Components: IR sensors, DC motors, L298N driver
📊
Data Logger
Log data from multiple sensors to SD card.
Components: MicroSD, RTC, Sensors
🎵
Electronic Piano
Keyboard with buttons and buzzer to play melodies.
Components: Buttons, Buzzer, Resistors
💻 Quick Start Code
// Basic blinking LED
void setup() {
pinMode(13, OUTPUT);
}
void loop() {
digitalWrite(13, HIGH);
delay(1000);
digitalWrite(13, LOW);
delay(1000);
}
// Analog sensor reading
void readSensor() {
int sensorValue = analogRead(A0);
float voltage = sensorValue * (5.0 / 1023.0);
Serial.println(voltage);
}🛒 Buying Guide
🤔 Should I buy the STM32F103C8T6 (Blue Pill)?
✅ Buy if:
- • Complex projects
- • Many sensors
- • Advanced robotics
- • Multiple communications
❌ Don't buy if:
- • Simple project
- • Limited budget
- • Size matters
🏪 Where to Buy
Official Store$20-30
Amazon$15-25
AliExpress$8-15
💡 Tip: For critical projects, buy original. For learning, clones work fine.
📦 Recommended Kit
STM32F103C8T6 (Blue Pill)
USB Cable
Breadboard
Jumper wires
LEDs + Resistors
🎯 Final Verdict
This board is ideal for specific projects that require particular features. Evaluate if you really need its specific capabilities.
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