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SparkFun will be closed Monday 7/4/2022 for the 4th of July holiday. Orders placed after 2 pm MT on Friday 7/1/2022 will be processed on Tuesday 7/6/2022. SparkFun Support will also resume on Tuesday 7/6/2022. Have a safe holiday!

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IoT Power Relay

IoT Power Relay

COM-14236
20
Favorited Favorite 64
Wish List
MyoWare 2.0 Muscle Sensor Development Kit

MyoWare 2.0 Muscle Sensor Development Kit

KIT-18441
Favorited Favorite 4
Wish List
SparkFun LiPo Fuel Gauge

SparkFun LiPo Fuel Gauge

TOL-10617
$12.50
8
Favorited Favorite 26
Wish List
SparkFun Qwiic Single Relay

SparkFun Qwiic Single Relay

COM-15093
$13.95
3
Favorited Favorite 28
Wish List
SparkFun Logic Level Converter - Bi-Directional

SparkFun Logic Level Converter - Bi-Directional

BOB-12009
$3.50
113
Favorited Favorite 144
Wish List
Lithium Ion Battery - 1250mAh (IEC62133 Certified)

Lithium Ion Battery - 1250mAh (IEC62133 Certified)

PRT-18286
$10.95
1
Favorited Favorite 6
Wish List
SparkFun Sunny Buddy - MPPT Solar Charger

SparkFun Sunny Buddy - MPPT Solar Charger

PRT-12885
$28.95
10
Favorited Favorite 67
Wish List
SparkFun LiPo Charger/Booster - 5V/1A

SparkFun LiPo Charger/Booster - 5V/1A

PRT-14411
$17.50
1
Favorited Favorite 28
Wish List
SparkFun BabyBuck Regulator Breakout - 3.3V (AP63203)

SparkFun BabyBuck Regulator Breakout - 3.3V (AP63203)

COM-18357
$4.50
1
Favorited Favorite 5
Wish List
Lithium Ion Battery - 18650 Cell (2600mAh, Solder Tab)

Lithium Ion Battery - 18650 Cell (2600mAh, Solder Tab)

PRT-13189
$6.95
8
Favorited Favorite 18
Wish List
Lithium Ion Battery - 18650 Cell (2600mAh)

Lithium Ion Battery - 18650 Cell (2600mAh)

PRT-12895
$6.50
Favorited Favorite 19
Wish List
Buck/Boost Converter - 8-40V to 12V/3A

Buck/Boost Converter - 8-40V to 12V/3A

COM-18376
$16.50
Favorited Favorite 4
Wish List
E-Textiles Battery - 110mAh (2C Discharge)

E-Textiles Battery - 110mAh (2C Discharge)

PRT-13112
6
Favorited Favorite 25
Wish List
SparkFun Qwiic Quad Relay

SparkFun Qwiic Quad Relay

COM-16566
$32.50
5
Favorited Favorite 18
Wish List
Lithium Ion Battery - 850mAh

Lithium Ion Battery - 850mAh

PRT-13854
$10.95
2
Favorited Favorite 15
Wish List
SparkFun LiPo Charger Basic - Micro-USB

SparkFun LiPo Charger Basic - Micro-USB

PRT-10217
$9.95
26
Favorited Favorite 56
Wish List
PiJuice HAT - Raspberry Pi Portable Power Platform

PiJuice HAT - Raspberry Pi Portable Power Platform

PRT-14803
$73.95
4
Favorited Favorite 60
Wish List
Lithium Ion Battery - 2Ah

Lithium Ion Battery - 2Ah

PRT-13855
$13.95
8
Favorited Favorite 42
Wish List
SparkFun Voltage-Level Translator Breakout - TXB0104

SparkFun Voltage-Level Translator Breakout - TXB0104

BOB-11771
$4.95
7
Favorited Favorite 25
Wish List
Wall Adapter Power Supply - 5V, 2A, 10W (USB Micro-B)

Wall Adapter Power Supply - 5V, 2A, 10W (USB Micro-B)

TOL-16409
Favorited Favorite 1
Wish List
Otii Arc

Otii Arc

TOL-18585
$748.95
1
Favorited Favorite 2
Wish List
Wall Adapter Power Supply - 5VDC, 2A (Barrel Jack)

Wall Adapter Power Supply - 5VDC, 2A (Barrel Jack)

TOL-15312
$6.50
2
Favorited Favorite 11
Wish List
micro:bit Battery Holder - 2xAAA (JST-PH)

micro:bit Battery Holder - 2xAAA (JST-PH)

PRT-15101
$2.10
Favorited Favorite 13
Wish List
SparkFun Current Sensor Breakout - INA169

SparkFun Current Sensor Breakout - INA169

SEN-12040
$11.50
1
Favorited Favorite 8
Wish List
MyoWare 2.0 Power Shield

MyoWare 2.0 Power Shield

DEV-18427
$14.95
Favorited Favorite 0
Wish List
Lithium Ion Battery - 1Ah

Lithium Ion Battery - 1Ah

PRT-13813
$10.95
7
Favorited Favorite 71
Wish List
SparkFun LiPo Charger Plus

SparkFun LiPo Charger Plus

PRT-15217
$11.50
Favorited Favorite 27
Wish List
Solar Panel - 3.5W

Solar Panel - 3.5W

PRT-13782
$41.95
1
Favorited Favorite 16
Wish List
SparkFun Adjustable LiPo Charger

SparkFun Adjustable LiPo Charger

PRT-14380
$13.50
3
Favorited Favorite 20
Wish List
Lithium Ion Battery - 400mAh

Lithium Ion Battery - 400mAh

PRT-13851
$5.50
10
Favorited Favorite 40
Wish List
SparkFun Beefcake Relay Control Kit (Ver. 2.0)

SparkFun Beefcake Relay Control Kit (Ver. 2.0)

KIT-13815
$9.95
20
Favorited Favorite 36
Wish List
Lithium Ion Battery - 6Ah

Lithium Ion Battery - 6Ah

PRT-13856
$32.50
7
Favorited Favorite 38
Wish List
SparkFun Energy Harvester Breakout - LTC3588

SparkFun Energy Harvester Breakout - LTC3588

BOB-09946
$32.50
1
Favorited Favorite 35
Wish List
Buck/Boost DC/DC Converter - 8-36V to 12V/6A

Buck/Boost DC/DC Converter - 8-36V to 12V/6A

COM-18732
$14.95
Favorited Favorite 3
Wish List
SparkFun Breadboard Power Supply 5V/3.3V

SparkFun Breadboard Power Supply 5V/3.3V

PRT-00114
$11.95
16
Favorited Favorite 56
Wish List
SparkFun Breadboard Power Supply Stick - 5V/3.3V

SparkFun Breadboard Power Supply Stick - 5V/3.3V

PRT-13032
$13.95
8
Favorited Favorite 76
Wish List
Power Supply - 5V, 4A

Power Supply - 5V, 4A

TOL-15352
$13.95
Favorited Favorite 12
Wish List
SparkFun Jetson Intermediate Kit with Battery Pack

SparkFun Jetson Intermediate Kit with Battery Pack

KIT-19408
$139.95
Favorited Favorite 1
Wish List
SparkFun USB LiPoly Charger - Single Cell

SparkFun USB LiPoly Charger - Single Cell

PRT-12711
$17.95
8
Favorited Favorite 33
Wish List
USB Power Meter (Color TFT LCD)

USB Power Meter (Color TFT LCD)

TOL-15571
$26.95
6
Favorited Favorite 22
Wish List
SparkFun Buck Regulator Breakout - 3.3V (AP63203)

SparkFun Buck Regulator Breakout - 3.3V (AP63203)

COM-18356
$5.50
Favorited Favorite 5
Wish List
SparkFun Jetson Intermediate Kit with Power Supply

SparkFun Jetson Intermediate Kit with Power Supply

KIT-19409
$129.95
Favorited Favorite 1
Wish List
SparkFun MOSFET Power Control Kit

SparkFun MOSFET Power Control Kit

COM-12959
$5.95
17
Favorited Favorite 37
Wish List
Raspberry Pi PoE+ HAT

Raspberry Pi PoE+ HAT

DEV-18346
$20.00
2
Favorited Favorite 15
Wish List
Adjustable Voltage Wall Adapter Power Supply - 5V-15V

Adjustable Voltage Wall Adapter Power Supply - 5V-15V

TOL-19898
$14.95
Favorited Favorite 2
Wish List
Wall Adapter Power Supply - 9VDC, 650mA (Barrel Jack)

Wall Adapter Power Supply - 9VDC, 650mA (Barrel Jack)

TOL-15314
$6.50
1
Favorited Favorite 12
Wish List
SparkFun Qwiic Quad Solid State Relay Kit

SparkFun Qwiic Quad Solid State Relay Kit

KIT-16833
$48.50
4
Favorited Favorite 26
Wish List
Small Solar Panel - 1.2 Watt, 6 Volt (ETFE)

Small Solar Panel - 1.2 Watt, 6 Volt (ETFE)

PRT-18726
$13.95
Favorited Favorite 3
Wish List