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Communication

ESP8266 ESP-01 Serial WiFi Module

ESP8266 ESP-01 Serial WiFi Module
1788-9971111
HC-05 Wireless Bluetooth Module

HC-05 Wireless Bluetooth Module
2094-1200106
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SparkFun Logic Level Converter Bi-Directional

SparkFun Logic Level Converter Bi-Directional
1066-9941412
Buzzer (Active) - 5V

Buzzer (Active) - 5V
2106-0300108
RF Link Transmitter and Receiver Pair (433Mhz)

RF Link Transmitter and Receiver Pair (433Mhz)
1751-0200124
Adafruit PCF8523 Real Time Clock Assembled Breakout Board

Adafruit PCF8523 Real Time Clock Assembled Breakout Board
2352-0600102
Real Time Clock (RTC) DS1307 Module

Real Time Clock (RTC) DS1307 Module
1791-9971112
9Pin DB9 Solderless Terminal RS232 RS485 Adapter Connector - Female

9Pin DB9 Solderless Terminal RS232 RS485 Adapter Connector - Female
2133-9923111
Micro SD Card Reader Breakout

Micro SD Card Reader Breakout
2077-0100313
RFID/NFC Card Reader Kit (13.56MHz, MFRC522 Module + Card + Key Chain)

RFID/NFC Card Reader Kit (13.56MHz, MFRC522 Module + Card + Key Chain)
1256-9922191
Speaker - 0.5W (8 ohm)

Speaker - 0.5W (8 ohm)
2308-9933148
ESP8266 ESP-12F WiFi Module

ESP8266 ESP-12F WiFi Module
2400-0300304
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Adafruit FT232H Breakout - General Purpose USB to GPIO+SPI+I2C

Adafruit FT232H Breakout - General Purpose USB to GPIO+SPI+I2C
2323-0100405
SD Card Reader Breakout

SD Card Reader Breakout
2076-1200102
USB to UART TTL Serial Cable (PL2303HX Compatible)

USB to UART TTL Serial Cable (PL2303HX Compatible)
1746-7813033
Adafruit PN532 RFID/NFC Controller Shield for Arduino + Extras (13.56 MHz)

Adafruit PN532 RFID/NFC Controller Shield for Arduino + Extras (13.56 MHz)
1570-9922871
SparkFun USB Type A Female Breakout

SparkFun USB Type A Female Breakout
1483-0600232
HC-05 Wireless Bluetooth Module (with AT Button)

HC-05 Wireless Bluetooth Module (with AT Button)
1258-9922281
USB Wi-Fi (802.11b/g/n) Module with Antenna (great for Raspberry Pi)

USB Wi-Fi (802.11b/g/n) Module with Antenna (great for Raspberry Pi)
1041-7816044
FTDI Cable (5V)

FTDI Cable (5V)
0624-7810105
SparkFun FTDI Basic Breakout Board (3.3V)

SparkFun FTDI Basic Breakout Board (3.3V)
0342-0800102
Voice Record Module (ISD1820)

Voice Record Module (ISD1820)
2174-9933111
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SparkFun LilyPad MP3

SparkFun LilyPad MP3
0872-0100230
SparkFun Breakout Board for USB mini-B

SparkFun Breakout Board for USB mini-B
0543-0800107