Featured categories
Featured items
All items

RFID Card Reader/Writer Module MFRC-522 RC-522 13.56MHz/125KHz Arduino Kit USA!
$11.99

ATX Power Supply Breakout Adapter Module 24PIN - Bench Power Supply Converter
$8.99

Green 3mm LED Light Emitting Diode 20mA 2V 28mm Legs 20PCS US SHIP TODAY!
$7.39

JST XH2.54mm 8 Pin Right Angle Wire Cable Connector Header Male PCB 10PCS USA!
$7.39

XH2.54mm 3 Pin Micro Electrical Female Connector Plug Wire 1007 26AWG 20cm 5PCS
$7.60

IRF520 Mosfet Module For Arduino MCU ARM ESP32 like Relay 3.3v-5V PWM 5PCS -USA!
$10.69

WS2812 5050 RGB 7 Bit LED Circle Module USA SHIPS TODAY!
$7.39

280Ah Lifepo4 3.2v Battery Cell EVE Qishou Grade B
$89.00

Ambient Light Sensor Module TEMT6000 Arduino AVR PIC CJMCU US SHIP TODAY!
$7.39

5V DC-DC Step-up Converter Module 1.5V 1.8V 2.5V 3V 3.3V 3.7V 4.2V to 5V US!
$7.39

Li-ion Battery BMS Protection Board 3S 18650 Lithium 10A AMP 11.1V 12V 12.6V USA
$7.52

Li-ion Battery BMS Protection Board 3S 18650 Lithium 10A AMP 11.1V 12V 12.6V USA
$7.99

WiiChuck Nunchuck Adapter Shield Module Board For Arduino PIC AVR I2C IIC
$7.39

6 Feet 3 Prong NEMA 5-15P IEC 60320 C5 AC Power Cable Cord Laptop Lot
$6.79 to $47.31

JST XH2.54mm 2 Pin Straight Wire Cable Connector Header Male PCB US SHIP! 10PCS
$7.62

DHT-11 Digital Temperature and Relative Humidity Sensor Module - Arduino, ESP32
$7.39

6 Pin Header Single Row Stackable Socket Connector Female 11mm 2.54mm 5PCS
$7.52

PCE164P-NO3 VER007S 1X to 16X Riser Card Extender Converter PCI-E 1X
$8.99

5V 1-Channel Relay Module Interface Board Shield - For PIC, AVR, DSP, ARM, MCU,
$7.47

JST XH2.54mm 6 Pin Singleheaded Wire Cable Connector Set Male Female PCB USA!
$7.70

Active Buzzer Module Alarm Piezo for Arduino PIC AVR 3.3V 5V USA - SHIP TODAY!
$7.52

Li-ion Battery BMS Protection Board 4S Series 18650 Lithium 30A AMP 14.8V 16.8V
$9.49

AMS1117 5V Out 1000mA Step-Down Power Supply Module AMS117 - US Shipping Today
$7.39

USB Fast Quick Charge Module QC 3.0 Charger DC-DC Buck 12V 24V Mobile Phone US
$7.52

JST XH2.54mm 7 Pin Singleheaded Wire Cable Connector Set Male Female PCB USA!
$8.39

Male to Male Jumper Wire Line Arduino Breadboard PIC AVR Testing 30pcs US SHIP!!
$7.52

315Mhz RF Wireless Transmitter and Receiver Set Pair US SHIP TODAY!
$7.39

Level Conversion Module 5V to 3V IIC I2C 3.3V for Arduino Sensor USA SHIP TODAY!
$7.39

Matrix Keypad 2x2 4 Button Keyboard Module Matrix Array Momentary Switch - USA!
$7.99

L9110 Dual Stepper Motor Driver Module DC H-bridge Controller L9110S Arduino USA
$7.39

1S 18650 Li-po Li-ion Lithium Ion Battery Capacity Level Indicator Module US!
$7.39

Vibration Sensor Module SW-420 Super Sensitive Arduino PIC AVR MCU US SHIP TODAY
$7.39

Jumper Wire Male to Female Dupont Line Arduino Breadboard PIC AVR 20cm 20pcs US!
$7.52

WS2812 5050 RGB 1 Bit LED Breakout Module 5V Arduino 5PCS - USA SHIPS TODAY!
$7.50

Deans Style T Type Connector Power RC LiPo Battery Male Female Plug USA SHIP
$7.52

Single Row 40 Pin Header Thru Hole Right Angle 2.54mm Breakable US SHIP! 10PCS
$7.39

JST XH2.54mm 4 Pin Singleheaded Wire Cable Connector Set Male Female PCB USA!
$7.39

8 Pin Header Single Row Stackable Socket Connector Female 11mm 2.54mm 5PCS
$7.52

Two 2 pin 2.54mm Twist Female to Female Dupont Cable US SHIP TODAY!
$8.35

Li-ion Battery BMS Protection Board 1S Single 18650 Lithium 3A AMP 3.7V
$7.52

Red Laser Emitter Module 650nm Diode Arduino AVR PIC 5V USA SHIP TODAY!
$7.39

Red 3mm LED Light Emitting Diode 20mA 2V 28mm Legs 20PCS US SHIP TODAY!
$7.52

USB Type A Female Breakout Board Module 2.54mm 4 Pin Power Ground Data USA SHIP!
$7.52

Micro SD Card Reader Writer Module SPI Arduino PIC AVR SDHC USA SHIP TODAY!
$7.39

RFID Keyfob 13.56MHz Key Fob Tag Token NFC for Access Control - US SHIP TODAY!
$7.39

Mini USB Dongle LED Light 200 Milliwatt Key Ring for Laptop/Battery Bank US SHIP
$7.39

Single 1 Pin Dupont Connect Jumper Wire 20cm 24AWG Female to Female Line 10pcs
$7.52

Single 1 Pin Dupont Connect Jumper Wire 20cm 24AWG Male to Female Line 10pcs
$7.52
About us
Brain Wire is a quality supplier of curated electronics components for electrical engineers, makers, and DIYers.
Store policies
Shipping
Returns
Seller feedback (2,077)
- a***a (858)- Feedback left by buyer.Past yearVerified purchaseA++ fast shipping! Item as described packaged well. Great value! Highly recommended!!Reply from: brainwire.io- Feedback replied by seller brainwire.io.- Feedback replied by seller brainwire.io.Hi Friend, thank you for the A++ feedback! I'm glad to hear the Hanna Instruments pH/EC/TDS Meter arrived quickly, was well-packaged, and met your expectations. Providing great value and top-notch service is what I strive for! If you ever need anything else, I'm here to help—proudly shipping from Prescott, Arizona. Appreciate your support! Best, Kevin B. 🌟🔬
- s***s (267)- Feedback left by buyer.Past 6 monthsVerified purchaseAwesome seller.... item arrived as described and fast
- 8***m (3452)- Feedback left by buyer.Past 6 monthsVerified purchaseItem as Listed. Sufficient Packaging. Fast Shipping. Would Buy Again. A+++
- r***r (495)- Feedback left by buyer.Past 6 monthsVerified purchaseExpert pack / ship; fast delivery; as advertised
- s***4 (1019)- Feedback left by buyer.Past 6 monthsVerified purchaseAs described, fast shipping. Thank you!
- 9***u (1739)- Feedback left by buyer.Past 6 monthsVerified purchaseItem as described and fast shipping.