Pre-soldered Modules

88 products

Skip the soldering iron — our pre-soldered modules come with headers already attached so you can plug in and start prototyping immediately. Sensors, development boards, converters and more.

MCP2515 CAN Bus Module with TJA1050 SPI interface showing chip, pins, and blue terminal block

MCP2515 Pre-Soldered CAN Bus Module with TJA1050 SPI Interface
$4.99
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Close up of HC-05 6-Pin Bluetooth Module with exposed circuitry

HC-05 6-Pin Bluetooth Module, No Button
$10.49
TP4056 1A lithium polymer battery charging board with micro USB port and current protection

TP4056 1A 3.7-4.2V LiPo Battery Charging Board with Micro USB & Current Protection
$2.50
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TPA3118 PBTL single channel digital amplifier board with capacitors and inductors for 60W output

TPA3118 PBTL Single Digital Amplifier Board 1x60W
$6.99
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SX1262 ESP32-S3 development board with 0.96 inch blue OLED, antenna, and pre-soldered pins

SX1262 ESP32-S3 0.96" Blue OLED Bluetooth & WiFi Development Board for Arduino, 868-915MHz, with Antenna, Pre-Soldered
$24.99
MKS TMC2209 stepper motor driver module with separate blue aluminum heatsink for cooling

MKS TMC2209 Motor Driver with Heatsink
$8.99
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INA219 I2C bi-directional current and power monitoring sensor module with green terminal block and pins

INA219 I2C Bi-Directional Current & Power Monitoring Sensor Module with Soldering and Foam
$7.99
INMP441 I2S omnidirectional microphone module with round black PCB and three pins for electronics projects

INMP441 Pre-Soldered I2S Omnidirectional Microphone Module
$9.99
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ESP8266 NodeMCU development board with 0.96 inch OLED display showing front and back sides with Type-C port

ESP8266 NodeMCU Development Board with 0.96 Inch OLED Display, Type-C, Pre-Soldered with Foam
$9.99
top view USB Control Module 1-Channel 5V Relay Module with blue relay and USB port

USB Control Module 1-Channel 5V Relay Module (No Driver Needed)
$6.99
XL4015 adjustable DC-DC step-down module with digital voltmeter display and blue terminal blocks

XL4015 Adjustable DC-DC Step-Down Module 5A 75W with Digital Voltmeter Display
$7.99
Close view of ESP32-CAM development board with OV3660 camera module

ESP32-CAM Development Board with OV3660 Camera, WiFi + Bluetooth, Pre-Soldered with Foam
$19.99
30cm 10-pin alligator clip to male Dupont jumper wires in multiple colors for electronics testing

30cm 10-Pin Alligator Clip to Dupont Line - Male
$4.99
black Pro Micro ATmega32U4 5V 16MHz development board with USB-C port and pins

Pro Micro ATmega32U4 5V 16MHz USB-C Development Board
$7.49
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KY-040 rotary encoder module with pins and labeled connections for Arduino projects

KY-040 Pre-Soldered Rotary Encoder Module for Arduino with Demo Code
$6.99
Back side of TM1637 4-bit red LED display module showing blue PCB and integrated circuit

TM1637 Pre-Soldered 4-Bit Red LED Display Module & Clock
$5.99
TTP223B capacitive touch switch sensor module with three pins and circular touch pad

TTP223B Pre-Soldered Capacitive Touch Switch Sensor Module
$4.50
TCA9548A 1-to-8 channel I2C multiplexer module with labeled pins and integrated circuit

TCA9548A Pre-Soldered 1-to-8 I2C 8-Channel Multiplexer Module
$9.99
MAX6675 thermocouple module with K-type sensor terminals and pin headers for temperature measurement

MAX6675 Pre-Soldered Module with K-Type Thermocouple Sensor (Measures up to 1024 Degrees)
$7.49
4 slot 18650 battery holder box with red and black wires and no cover for electronics projects

4 x 18650 Battery Holder Box with Wire (No Cover)
$4.99
HX-2S-JH20 2S 7.4V 18650 lithium battery protection board with 10A current and balancer components

HX-2S-JH20 2S 7.4V 18650 Lithium Battery Protection Board 10A with Balancer
$6.99
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3S 12V 18650 lithium battery protection circuit board with balancing and 25A current rating

3S 12V 18650 Lithium Battery Protection Board with Balancing 25A
$6.99
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4S 30A lithium battery protection board with multiple components and connection terminals on green PCB

4S 30A 18650 Lithium Battery Protection Board 14.8V/16V with Cable
$6.99
CN3791 6V MPPT solar charger module with multiple connectors and red and black wiring cables

CN3791 6V MPPT Solar Charger Module
$5.99