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Carbon Film Resistor 1 kΩ
Passive
- Resistance: 1 kΩ
- Tolerance: ±5%
- Power Rating: 0.25 W
- Max Voltage: 250 V
Metal Film Resistor 10 kΩ
Passive
- Resistance: 10 kΩ
- Tolerance: ±1%
- Power Rating: 0.125 W
Ceramic Capacitor 100 nF
Passive
- Capacitance: 100 nF
- Voltage Rating: 50 V
- Dielectric: X7R
Electrolytic Capacitor 10 µF 16 V
Passive
- Capacitance: 10 µF
- Voltage Rating: 16 V
- Tolerance: ±20%
Tantalum Capacitor 4.7 µF 10 V
Passive
- Capacitance: 4.7 µF
- Voltage Rating: 10 V
- Low ESR
Ferrite Bead
Passive
- Impedance: 120 Ω @100 MHz
- Current Rating: 500 mA
Power Inductor 10 µH
Passive
- Inductance: 10 µH
- Current Rating: 1 A
- DCR: 100 mΩ
Common Mode Choke
Passive
- Impedance: 50 Ω
- Current Rating: 500 mA
2N2222 NPN Transistor
Active
- Collector Current: 800 mA
- Gain (hFE): 100–300
- Voltage: 75 V
IRF540 N-channel MOSFET
Active
- Vds: 100 V
- Id: 33 A
- Rds(on): 0.077 Ω
IRF9540 P-channel MOSFET
Active
- Vds: -100 V
- Id: -23 A
- Rds(on): 0.117 Ω
Schottky Diode 1 A
Active
- Current: 1 A
- Voltage: 40 V
- Forward Voltage: 0.3 V
Zener Diode 5.1 V
Active
- Voltage: 5.1 V
- Power Dissipation: 0.5 W
Power Diode 10 A
Active
- Current: 10 A
- Voltage: 50 V
Operational Amplifier (LM358)
Active
- Dual Op-Amp
- Supply: 3–32 V
- Bandwidth: 1 MHz
Comparator (LM393)
Active
- Dual Comparator
- Supply: 2–36 V
- Open-collector output
Voltage Regulator LDO 3.3 V (LM1117)
Active
- Output: 3.3 V
- Current: 800 mA
DC-DC Buck Converter Module
Active
- Input: 4.5–30 V
- Output: 1.25–30 V
- Adjustable
LED Driver IC (e.g. WS2812 driver)
Active
- Supply: 5 V
- Constant Current Drive
ATmega328P Microcontroller
MCU
- Flash: 32KB
- SRAM: 2KB
- Clock: up to 20 MHz
STM32F103 MCU
MCU
- ARM Cortex-M3
- Flash: 64KB
- Speed: 72 MHz
ESP32 Module
MCU
- WiFi & Bluetooth
- Dual-core Xtensa
- Flash: 4MB
PIC16F877A Microcontroller
MCU
- Flash: 14KB
- SRAM: 368B
- PIC Family
USB Type-C Connector
Connectivity
- 5 Gbps data
- USB Power Delivery support
Barrel Jack Connector
Connectivity
- DC Power Input
- Center Positive
SMA Connector
Connectivity
- RF Connector
- Frequency up to GHz
RJ45 Ethernet Jack
Connectivity
- 8P8C
- Magnetics Integrated
Micro USB Connector
Connectivity
- USB 2.0
- Charging/Data
DHT22 Temperature & Humidity Sensor
Sensor
- Temp Range: 0–50 °C
- Humidity: 20–90%
BMP280 Pressure Sensor
Sensor
- Pressure: 300–1100 hPa
- I2C/SPI Interface
MPU6050 Accelerometer & Gyroscope
Sensor
- 3-axis accel
- 3-axis gyro
- I2C
Ultrasonic Sensor HC-SR04
Sensor
- Range: 2–400 cm
- Trigger/Echo Pins
Light Dependent Resistor (LDR)
Sensor
- Analog light sensor
Hall Effect Sensor
Sensor
- Digital magnetic sensor
IR Proximity Sensor
Sensor
- Infrared Reflective
Gas Sensor (MQ-2)
Sensor
- Smoke/flammable gas detection
OLED Display 0.96″
Display
- 128×64 pixels
- I2C/SPI
TFT LCD Module 2.8″
Display
- 320×240 pixels
- SPI Interface
7-Segment Display
Display
- Common Anode/Cathode
- Single Digit
Character LCD 16×2
Display
- HD44780 Compatible
- I2C Backpack optional
Dot Matrix LED Module
Display
- 8×8 LED matrix
- MAX7219 Driver
24C02 EEPROM
Memory
- Capacity: 2Kbit
- I2C Interface
SPI Flash 16 MB
Memory
- Serial Flash Memory
- SPI Interface
SRAM 23K256
Memory
- 32KB SRAM
- SPI Interface
MAX232 RS232 Transceiver
Interface
- ±12 V to TTL
- Dual driver/receiver
I2C Level Shifter
Interface
- Bidirectional
- 1.8–5 V support
SPI Level Translator
Interface
- Bidirectional
- 1.8–5 V support
CAN Transceiver (MCP2551)
Interface
- CAN bus interface
- 5 V supply
74HC00 NAND Gate IC
Logic
- Quad 2-input NAND
- 2–6 V supply
74HC595 Shift Register
Logic
- 8-bit serial-in, parallel-out
74HC138 Decoder
Logic
- 3-to-8 line decoder/demultiplexer
Battery Holder AA x3
Power
- NiMH or Alkaline
- 4.5 V nominal
Coin Cell Holder CR2032
Power
- 3 V battery socket
Polymeric Resettable Fuse
Protection
- Hold Current: 500 mA
- Voltage Rating: 60 V
TVS Diode 5 V
Protection
- Surge Protection
- Peak Pulse Power: 600 W
Transient Voltage Suppressor (SMBJ series)
Protection
- Various voltage ratings
EMI Filter (LC filter)
Protection
- High-frequency noise suppression
M3×6 mm Screw
Mechanical
- Stainless Steel
Standoff Spacer M3 10 mm
Mechanical
- Nylon or Metal
Heat Sink with Thermal Pad
Mechanical
- Aluminum
- Thermal conductivity
PCB Antenna 2.4 GHz
RF
- For WiFi/Bluetooth
LoRa Module SX1278
RF
- 433/868/915 MHz
Bluetooth Module HC-05
RF
- Bluetooth 2.0
WiFi Module ESP8266
RF
- 802.11 b/g/n
GPS Module NEO-6M
RF
- UART Interface
- 3.3 V
Crystal 16 MHz
Oscillator
- HC-49 package
- Load Capacitance: 20 pF
RTC Crystal 32.768 kHz
Oscillator
- Watch crystal
MEMS Oscillator Module
Oscillator
- Various frequencies
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