All Products

SKU: AF-395

An 8-channel bidirectional logic level converter breakout based on the TXB0108 chip. This converter automatically detects signal direction, eliminating the need for direction control pins. It shifts between virtually any two voltage levels, making it ideal for connecting 3.3V and 5V devices. The...

SKU: AF-757

This bi-directional logic level converter from Adafruit uses 4× BSS138 FETs with 10K pull-up resistors to safely shift signals between different voltage levels. Unlike many level shifters, this design is fully compatible with I2C's open-drain pull-up signalling, following NXP's recommended applic...

SKU: SF-BOB-12009

The SparkFun Bi-Directional Logic Level Converter safely translates signals between different voltage levels — stepping 5V down to 3.3V and 3.3V up to 5V on the same channel. It also works with 2.8V and 1.8V devices, making it a versatile bridge between mixed-voltage systems. Each board provides...

SKU: LB-LR0185

Logic Level Converter Bi-Directional IIC 4 Way Level Conversion Module Description:If you’ve ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3....

SKU: SF-PRT-14765

The SparkFun Single Supply Logic Level Converter is logic level and power supply translator in one small package. This little board breaks out the Texas Instruments TXB0104 4-bit bi-directional voltage-level translator with automatic direction sensing. With this logic level converter you wil...

SKU: LB-LR0214-110A

Raspberry Pi 8 channel Level Switching (3.5V to 5V) IO Module Logic Level Converter is able to convert signals from 5V down to 3.3V (and vice versa) meaning you can safely use 5V or 3.3V devices with the Raspberry Pi (compatible). Because raspberries GPIO is 3.3 V, so regular 5 V sensor is not...

SKU: DF-SEN0667 · MPN: SEN0667

This compact Fermion module is built around Bosch Sensortec’s BMP581 high-performance barometric pressure sensor chip. It measures pressure and temperature with high precision, offering ±0.3 hPa typical absolute pressure accuracy for detecting small altitude, floor-level or liquid-level changes.T...

SKU: SF-SEN-12829

If you’ve had ideas for a project that depends on the ability to sense different spectrums of visible light and react based on those measurements, the ISL29125 breakout board may be just what you need. The ISL29125 breakout board makes it very easy to sense and record the light intensity of the g...

SKU: AF-1727

The MAX31850K breakout board is a 1-Wire thermocouple amplifier with cold-junction compensation for K-type thermocouples. Unlike SPI-based amplifiers, the 1-Wire interface allows any number of thermocouple breakouts to share a single data line — ideal for multi-point temperature measurement. The...

SKU: SF-DEV-15110

The SparkFun ESP32 Thing Plus DMX to LED Shield enables sending and receiving DMX data via an on-board XLR-3 jack or over ArtNet. Designed for developing custom DMX fixtures or adding ArtNet capabilities to existing setups, the shield includes electrical isolation between the controller and commu...

SKU: EC-AS00121CTH

This Capacitive Touch Shield has 9 build-on capacitive touchpads, and the other 3 electrodes for further usage. With this shield, you can have a total of 12 touch-sensitive buttons. This Shield uses the MPR121 which is a great way to build simple capacitive touch interfaces using the I2C communic...

SKU: SF-WRL-17146

The ESP8266 WiFi Module is a self contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. The ESP8266 is capable of either hosting an application or offloading all WiFi networking functions from another application processor. Each ESP8...

SKU: SF-PRT-28203 · MPN: PRT-28203

  The SparkFun Qwiic 5V Boost simplifies interfacing 5V I2C devices with the 3.3V Qwiic ecosystem. It takes the 3.3V I2C signals and power from its Qwiic connectors and boosts them to 5V, available on the PTH pins. This is perfect for powering peripherals like RGB LEDs or DC fans commonl...

SKU: AF-5994 · MPN: ADA5994

No matter what serial-esque protocol you need to interface with, this USB to Multi-Protocol Serial adapter cable will be able to get this-connected-to-that. It supports RS232 serial, TTL UART serial, RS485 and RS422. All with quick-connecting screw terminals so you don't need to do any soldering ...

SKU: AF-5995 · MPN: ADA5995

DescriptionWhether you need to interface with various serial protocols, this USB to Multi-Protocol Serial adapter has you covered. It supports RS232, TTL UART, RS485, and RS422, all with quick-connect screw terminals, eliminating the need for soldering or special cables. Simply plug the adapter ...

SKU: AF-5679

The Adafruit Floppy FeatherWing lets you read and write 3.5-inch or 5.25-inch floppy disks using a Feather microcontroller. It connects to standard 34-pin IDC floppy drives and includes built-in level shifting between 3.3 V Feather logic and the 5 V signals that floppy drives require. Floppy dri...

SKU: DF-DFR0077

This converter uses MAX202-based level shifter for converting TTL (Transistor-Transistor Logic) -level serial to standard RS232 serial.RS232 is widely used in radio modifications,phone flash, XBOX360 flash, GPS, vehicle detection, DVD flash, hard disk repair set-top box upgrade. It can be used to...

SKU: SF-DEV-18158 · MPN: DEV-18158

This Arduino-compatible development board keeps the familiar Uno-style layout while adding a few genuinely handy upgrades for modern projects. Built around the ATmega328P, it works with the Arduino IDE and fits the Uno R3 footprint, so it is a straightforward choice if you want broad compatibilit...

SKU: LB-00255

An 8-channel voltage level converter module for shifting between 3.3V and 5V logic levels. Designed for use with Raspberry Pi, making it easy to interface with 5V sensors and modules from the Pi's 3.3V GPIO pins. Key Features 8 Channels – Convert 8 signals simultaneously Wide Voltage Range – ...

SKU: SF-WRL-23287 · MPN: WRL-23287

The SparkFun BlueSMiRF v2 with headers is a wireless Bluetooth® serial link. These boards work as a wireless serial UART pipe and are a great wireless replacement for serial cables. Simply pair, connect, and transmit serial data between your TX/RX lines! Any serial stream from 2400 to 921600 baud...