Shop lm2596 buck converter adjustable step down power module

Sponsored
About our ads
$1.80
$1.87
DC 12V 3.3V LM2596 Buck Converter Step Down Module LM2596 Power Supply Adjustable Power Voltage
AliExpress
$1.80
$1.87
DC 12V 3.3V LM2596 Buck Converter Step Down Module LM2596 Power Supply Adjustable Power Voltage
AliExpress
$5.48
$15.36
LM2596 Step Down Module DC To DC Adjustable Buck Converter Voltage Regulator Conversion Power Supply
AliExpress
64% off
$5.48
$15.36
LM2596 Step Down Module DC To DC Adjustable Buck Converter Voltage Regulator Conversion Power Supply
AliExpress
$1.27
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$1.27
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$2.71
DC-DC LM2596 Step Down Buck Converter Module 3V-40V To 1.25V-35V Adjustable DC DC Power Voltage
AliExpress
$2.71
DC-DC LM2596 Step Down Buck Converter Module 3V-40V To 1.25V-35V Adjustable DC DC Power Voltage
AliExpress
$1.40
$2.52
LM2596HVS LM2596 Module HW-677 DC-DC Adjustable Step Down Buck Converter Power Module 4.5-52V To
AliExpress
44% off
$1.40
$2.52
LM2596HVS LM2596 Module HW-677 DC-DC Adjustable Step Down Buck Converter Power Module 4.5-52V To
AliExpress
$1.33
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$1.33
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$1.19
$1.83
LM2596 HV S DC-DC Adjustable Step Down Buck Converter Module Step-Down Power Transformer Voltage
AliExpress
34% off
$1.19
$1.83
LM2596 HV S DC-DC Adjustable Step Down Buck Converter Module Step-Down Power Transformer Voltage
AliExpress
$1.51
$4.46
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
66% off
$1.51
$4.46
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$5.43
LM2596 DC-DC Step-Down Power Supply Module Adjustable Power Supply Regulator Module 3.2V-35V To
AliExpress
$5.43
LM2596 DC-DC Step-Down Power Supply Module Adjustable Power Supply Regulator Module 3.2V-35V To
AliExpress
$1.75
$3.80
LM2596 DC-DC Adjustable Buck Converter 3.2V35V To 1.25-35V Power Supply Step Down Voltage Regulator
AliExpress
53% off
$1.75
$3.80
LM2596 DC-DC Adjustable Buck Converter 3.2V35V To 1.25-35V Power Supply Step Down Voltage Regulator
AliExpress
$1.55
$3.36
1Pcs LM2596 Step Down Module DC To DC Adjustable Buck Converter Voltage Regulator Conversion Power
AliExpress
53% off
$1.55
$3.36
1Pcs LM2596 Step Down Module DC To DC Adjustable Buck Converter Voltage Regulator Conversion Power
AliExpress
$2.22
Lm2596 Adjustable Step Down Module Dc 3-40V To 3.3-18V Buck Converter Conversion Power Supply Module
AliExpress
$2.22
Lm2596 Adjustable Step Down Module Dc 3-40V To 3.3-18V Buck Converter Conversion Power Supply Module
AliExpress
$1.25
LM2596 Power Converter Step Down Module LM2596S DC-DC 1.5V-35V Adjustable Step Down Power Supply
AliExpress
$1.25
LM2596 Power Converter Step Down Module LM2596S DC-DC 1.5V-35V Adjustable Step Down Power Supply
AliExpress
$1.24
$1.30
LM2596 DC Buck Step Down Power Converter Module DC/DC 4.040V To 1.25-37V 2A Adjustable Voltage
AliExpress
$1.24
$1.30
LM2596 DC Buck Step Down Power Converter Module DC/DC 4.040V To 1.25-37V 2A Adjustable Voltage
AliExpress
$1.67
$1.76
LM2596S DC-DC Buck Converter Vehicle Stabilizers Step-Down Power Supply Module LM2596 Adjustable
AliExpress
$1.67
$1.76
LM2596S DC-DC Buck Converter Vehicle Stabilizers Step-Down Power Supply Module LM2596 Adjustable
AliExpress
$1.94
$1.97
Stlxy LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To
AliExpress
$1.94
$1.97
Stlxy LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To
AliExpress
$1.32
$1.36
High Efficiency LM2596 DC-DC 3.2V-40V To 1.25V-35V Step Down Buck Converter Module Adjustable Power
AliExpress
$1.32
$1.36
High Efficiency LM2596 DC-DC 3.2V-40V To 1.25V-35V Step Down Buck Converter Module Adjustable Power
AliExpress
$1.73
$1.76
Lm2596s DC-DC Step-Down Power Supply Module 3A Adjustable Step-Down Module LM2596 Voltage Regulator
AliExpress
$1.73
$1.76
Lm2596s DC-DC Step-Down Power Supply Module 3A Adjustable Step-Down Module LM2596 Voltage Regulator
AliExpress
$0.94
$1.18
LM2596S DC-DC Buck Converter Module 24V/12V To 5V 5A Step Down Voltage Regulator Adjustable Power
AliExpress
Free shipping
20% off
$0.94
$1.18
LM2596S DC-DC Buck Converter Module 24V/12V To 5V 5A Step Down Voltage Regulator Adjustable Power
AliExpress
$1.61
LM2596 BUCK 3A DC-DC Voltage Adjustable Step-Down Power Module + Blue LED Voltmeter
AliExpress
$1.61
LM2596 BUCK 3A DC-DC Voltage Adjustable Step-Down Power Module + Blue LED Voltmeter
AliExpress
$3.99
$4.21
LM6009 LM2596 DC-DC Step Up Down Boost Buck Voltage Power Converter Module Auto Adjustable Constant
AliExpress
$3.99
$4.21
LM6009 LM2596 DC-DC Step Up Down Boost Buck Voltage Power Converter Module Auto Adjustable Constant
AliExpress
$1.06
$1.23
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
Free shipping
13% off
$1.06
$1.23
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$2.17
$6.40
LM2596 BUCK 3A DC-DC Voltage Adjustable Step-Down Power Module + Red LED Voltmeter LM2596S-ADJ 4-40V
AliExpress
66% off
$2.17
$6.40
LM2596 BUCK 3A DC-DC Voltage Adjustable Step-Down Power Module + Red LED Voltmeter LM2596S-ADJ 4-40V
AliExpress
$1.65
""LM2596S Adjustable Buck Converter Module - 3A CC/CV DC-DC Step-Down Power Supply With LED Driver"
AliExpress
$1.65
""LM2596S Adjustable Buck Converter Module - 3A CC/CV DC-DC Step-Down Power Supply With LED Driver"
AliExpress
$0.95
LM2596 Power Converter Step Down Module LM2596S DC-DC 1.5V-35V Adjustable Step Down Power Supply
AliExpress
$0.95
LM2596 Power Converter Step Down Module LM2596S DC-DC 1.5V-35V Adjustable Step Down Power Supply
AliExpress
$1.62
$3.20
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
49% off
$1.62
$3.20
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$0.46
$0.68
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
Free shipping
32% off
$0.46
$0.68
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$1.67
$3.29
Estardyn LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V
AliExpress
49% off
$1.67
$3.29
Estardyn LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V
AliExpress
$0.70
LM2596 LM2596S ADJ Power Supply Module DC-DC Step-Down Module 5V/12V/24V Adjustable Voltage
AliExpress
$0.70
LM2596 LM2596S ADJ Power Supply Module DC-DC Step-Down Module 5V/12V/24V Adjustable Voltage
AliExpress
$1.83
$5.42
LM2596 Power Converter Step Down Module LM2596S DC-DC 1.5V-35V Adjustable Step Down Power Supply
AliExpress
66% off
$1.83
$5.42
LM2596 Power Converter Step Down Module LM2596S DC-DC 1.5V-35V Adjustable Step Down Power Supply
AliExpress
$2.07
DC Buck Step Down Module LM2596 DC/DC 4.040V To 1.25-37V Adjustable Voltage Regulator With LED
AliExpress
$2.07
DC Buck Step Down Module LM2596 DC/DC 4.040V To 1.25-37V Adjustable Voltage Regulator With LED
AliExpress
$0.55
$1.07
LM2596 DC-DC Step-Down Power Supply Module 3A Adjustable Step-Down Module LM2596S Voltage Regulator
AliExpress
48% off
$0.55
$1.07
LM2596 DC-DC Step-Down Power Supply Module 3A Adjustable Step-Down Module LM2596S Voltage Regulator
AliExpress
$1.45
LM2596 LED Driver DC-DC Step-Down Adjustable CC/CV Power Supply Module Battery Charger Adjustable
AliExpress
$1.45
LM2596 LED Driver DC-DC Step-Down Adjustable CC/CV Power Supply Module Battery Charger Adjustable
AliExpress
$1.00
Dc-Dc Lm2596 Adjustable Buck Converter Step Down Module Power Supply
eBay
$1.00
Dc-Dc Lm2596 Adjustable Buck Converter Step Down Module Power Supply
eBay
$1.90
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-48V To 3-40V
AliExpress
$1.90
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-48V To 3-40V
AliExpress
$4.27
MP2307 LM2596 Kis-3R33s DC-DC Converter Buck Module 4.75-24V Adjustable Step-Down Power Module Peak
AliExpress
Free shipping
$4.27
MP2307 LM2596 Kis-3R33s DC-DC Converter Buck Module 4.75-24V Adjustable Step-Down Power Module Peak
AliExpress
EASIEST LM2596 DC-DC Buck Converter Adjustable Tutorial | LM2596 Adjustable Step Down Converter
3:20
EASIEST LM2596 DC-DC Buck Converter Adjustable Tutorial | LM…
34.1K viewsJul 26, 2024
YouTubeTronics lk
How to use LM2596 DC DC buck converter Step Down Voltage
8:11
How to use LM2596 DC DC buck converter Step Down Voltage
166.8K viewsDec 26, 2022
YouTubeNew Tec Pro
LM 2596 DC -DC Buck converter | Adjustable step down module | Adjustable DC Power Supply - POWER GEN
3:09
LM 2596 DC -DC Buck converter | Adjustable step down module | Ad…
370.8K viewsJun 20, 2018
YouTubePOWER GEN
LM2596 dc dc buck converter: Adjustable step down power supply module
4:12
LM2596 dc dc buck converter: Adjustable step down power supp…
2.4K viewsMay 31, 2023
YouTubeLife of Electronics
LM2596 DC-DC Buck Converter Explained | DC-DC Step Down Converter Module | LM2596 Voltage Regulator
3:42
LM2596 DC-DC Buck Converter Explained | DC-DC Step Down Co…
86.9K viewsSep 2, 2022
YouTubeTronics lk
LM2596 DC to DC Buck Converter Adjustable Step down power supply module
0:56
LM2596 DC to DC Buck Converter Adjustable Step down power supp…
212.5K viewsMay 31, 2023
YouTubeElectronic Spices
LM2596 DC-DC Step-down Buck Converter Module with Display | Output Test
4:27
LM2596 DC-DC Step-down Buck Converter Module with Display | O…
11.3K viewsNov 20, 2022
YouTubeMostly Tech Unboxing
LM2596 Buck converter overview/review 4-40v in/1.5-35v out (Step Down voltage Converter) regulator
4:10
LM2596 Buck converter overview/review 4-40v in/1.5-35v o…
1.9K viewsMay 29, 2023
YouTubeCreative Stuff
Lm2596 module || dc dc step down buck converter module || how to use connector
0:21
Lm2596 module || dc dc step down buck converter module || how to u…
1.4K views6 months ago
YouTubeVMST 1994
LM2596S dc-dc 4v-40v to 5v step down power supply buck converter adjustable USB charging module
0:57
LM2596S dc-dc 4v-40v to 5v step down power supply buck convert…
66.1K views11 months ago
YouTubeTech Tour
How to use Step Up-Step Down Voltage Module LM2596 LM2577 Boost Buck Converter?
4:13
How to use Step Up-Step Down Voltage Module LM2596 LM2577 B…
14.9K viewsApr 11, 2023
YouTubeNew Tec Pro
LM2596 DC-DC Buck Converter Explained / DC-DC Step Down Converter Module
4:53
LM2596 DC-DC Buck Converter Explained / DC-DC Step Down Co…
1.6K viewsFeb 27, 2025
YouTubejovan kostovski
LM2596 DC-DC Buck Converter | Adjustable Step down module | DC-DC Converter How to DC-DC Converter
4:02
LM2596 DC-DC Buck Converter | Adjustable Step down module | D…
4.2K viewsAug 6, 2024
YouTubeMonoTech Master
1/3/5/10PCS LM2596 Adjustable DC to DC Step Down Buck Converter Module 3.0-40V to 1.5-35V Power Supp
0:52
1/3/5/10PCS LM2596 Adjustable DC to DC Step Down Buck Converter …
4 views3 weeks ago
YouTubeSerundeng
LM2596 DC To DC Step Down Module | Buck Converter
5:29
LM2596 DC To DC Step Down Module | Buck Converter
434 views2 months ago
YouTubeAamir Electronics
Use LM2596 Step Down Converter with LED display Voltmeter Adjustable
6:24
Use LM2596 Step Down Converter with LED display Voltmeter Adjust…
5.1K viewsFeb 1, 2023
YouTubeNew Tec Pro
How to use LM2596 DC -DC buck converter Step down voltage |LM 2596 buck converter
5:16
How to use LM2596 DC -DC buck converter Step down voltage |LM …
890 viewsSep 23, 2024
YouTubePriyanshu Tech Support
LM2596 DC to DC 3A Buck Step up Converter Converter with LED display tested
10:01
LM2596 DC to DC 3A Buck Step up Converter Converter with LED dis…
129.1K viewsFeb 11, 2018
YouTubeRobojax
How to LM2596 DC-DC Buck Converter Step Down//XL6009 DC-DC Step-up Module//DC to DC Converter
7:16
How to LM2596 DC-DC Buck Converter Step Down//XL6009 DC …
126.3K viewsAug 25, 2021
YouTubeElectronics Verma
LM2596 DC-DC Buck Converter Step Down|XL6009 DC-DC Step-up Module| difference ‪@Electronicsproject99‬
7:05
LM2596 DC-DC Buck Converter Step Down|XL6009 DC-DC Step-up Mod…
129.8K viewsMar 12, 2022
YouTubeElectronics project
LM2596 3A Buck Converter Review
4:22
LM2596 3A Buck Converter Review
32.5K viewsNov 10, 2019
YouTubeKiyani's Lab
Reviewing of LM2596 Buck Step down Power Converter Module LED Voltmeter LM2596S-ADJ_UPDATED 2021
31:32
Reviewing of LM2596 Buck Step down Power Converter Module LE…
6.3K viewsAug 16, 2021
YouTubeLEQS - Be a professional
LM2596 2v-37V 3A Voltage Step Down converter Module Tested/Reviewed
15:26
LM2596 2v-37V 3A Voltage Step Down converter Module Tested/R…
174.5K viewsFeb 7, 2018
YouTubeRobojax
6 BEST Step-Down Buck Converter Modules DC-DC 2024 Review
10:36
6 BEST Step-Down Buck Converter Modules DC-DC 2024 Review
13.9K viewsJun 23, 2024
YouTubeNew Tec Pro
LM2596 DC to DC Buck Converter Adjustable Power Supply
0:08
LM2596 DC to DC Buck Converter Adjustable Power Supply
42.7K viewsMar 9, 2025
YouTubeRaniSelectPlex
How to Increase Output Power of LM2596 Buck Converter Using IRFP740 MOSFETs
7:06
How to Increase Output Power of LM2596 Buck Converter Using IRF…
71K viewsDec 26, 2022
YouTubeERL Engineering
Step Up Down Boost Buck Module Xl6019 LM2596S voltage booster
8:04
Step Up Down Boost Buck Module Xl6019 LM2596S voltage booster
34.6K viewsJan 28, 2021
YouTubeRadal 05
How to use DC to DC 2596 step Down Converter
1:31
How to use DC to DC 2596 step Down Converter
1.6K viewsNov 10, 2023
YouTubeThe Ic Shop Official
LM2596 DC-DC Buck Converter Step Down| How to use it to make a variable Power Supply |@vmst1994
5:36
LM2596 DC-DC Buck Converter Step Down| How to use it to make a var…
644 views6 months ago
YouTubeVMST 1994
LM2596 Dc-Dc Buck Converter | Step Down Adjustable Voltage Power Supply Module #lm2596 #stepdown
0:26
LM2596 Dc-Dc Buck Converter | Step Down Adjustable Voltage Po…
412 viewsMar 6, 2025
YouTubeCrazy Saman
See more

Shop lm2596 buck converter adjustable step down power module

Sponsored
About our ads
$1.80
$1.87
DC 12V 3.3V LM2596 Buck Converter Step Down Module LM2596 Power Supply Adjustable Power Voltage
AliExpress
$1.80
$1.87
DC 12V 3.3V LM2596 Buck Converter Step Down Module LM2596 Power Supply Adjustable Power Voltage
AliExpress
$5.48
$15.36
LM2596 Step Down Module DC To DC Adjustable Buck Converter Voltage Regulator Conversion Power Supply
AliExpress
64% off
$5.48
$15.36
LM2596 Step Down Module DC To DC Adjustable Buck Converter Voltage Regulator Conversion Power Supply
AliExpress
$1.27
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$1.27
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$2.71
DC-DC LM2596 Step Down Buck Converter Module 3V-40V To 1.25V-35V Adjustable DC DC Power Voltage
AliExpress
$2.71
DC-DC LM2596 Step Down Buck Converter Module 3V-40V To 1.25V-35V Adjustable DC DC Power Voltage
AliExpress
$1.40
$2.52
LM2596HVS LM2596 Module HW-677 DC-DC Adjustable Step Down Buck Converter Power Module 4.5-52V To
AliExpress
44% off
$1.40
$2.52
LM2596HVS LM2596 Module HW-677 DC-DC Adjustable Step Down Buck Converter Power Module 4.5-52V To
AliExpress
$1.33
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$1.33
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$1.19
$1.83
LM2596 HV S DC-DC Adjustable Step Down Buck Converter Module Step-Down Power Transformer Voltage
AliExpress
34% off
$1.19
$1.83
LM2596 HV S DC-DC Adjustable Step Down Buck Converter Module Step-Down Power Transformer Voltage
AliExpress
$1.51
$4.46
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
66% off
$1.51
$4.46
LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To 3-35V
AliExpress
$5.43
LM2596 DC-DC Step-Down Power Supply Module Adjustable Power Supply Regulator Module 3.2V-35V To
AliExpress
$5.43
LM2596 DC-DC Step-Down Power Supply Module Adjustable Power Supply Regulator Module 3.2V-35V To
AliExpress
$1.75
$3.80
LM2596 DC-DC Adjustable Buck Converter 3.2V35V To 1.25-35V Power Supply Step Down Voltage Regulator
AliExpress
53% off
$1.75
$3.80
LM2596 DC-DC Adjustable Buck Converter 3.2V35V To 1.25-35V Power Supply Step Down Voltage Regulator
AliExpress
$1.55
$3.36
1Pcs LM2596 Step Down Module DC To DC Adjustable Buck Converter Voltage Regulator Conversion Power
AliExpress
53% off
$1.55
$3.36
1Pcs LM2596 Step Down Module DC To DC Adjustable Buck Converter Voltage Regulator Conversion Power
AliExpress
$2.22
Lm2596 Adjustable Step Down Module Dc 3-40V To 3.3-18V Buck Converter Conversion Power Supply Module
AliExpress
$2.22
Lm2596 Adjustable Step Down Module Dc 3-40V To 3.3-18V Buck Converter Conversion Power Supply Module
AliExpress
$1.25
LM2596 Power Converter Step Down Module LM2596S DC-DC 1.5V-35V Adjustable Step Down Power Supply
AliExpress
$1.25
LM2596 Power Converter Step Down Module LM2596S DC-DC 1.5V-35V Adjustable Step Down Power Supply
AliExpress
$1.24
$1.30
LM2596 DC Buck Step Down Power Converter Module DC/DC 4.040V To 1.25-37V 2A Adjustable Voltage
AliExpress
$1.24
$1.30
LM2596 DC Buck Step Down Power Converter Module DC/DC 4.040V To 1.25-37V 2A Adjustable Voltage
AliExpress
$1.67
$1.76
LM2596S DC-DC Buck Converter Vehicle Stabilizers Step-Down Power Supply Module LM2596 Adjustable
AliExpress
$1.67
$1.76
LM2596S DC-DC Buck Converter Vehicle Stabilizers Step-Down Power Supply Module LM2596 Adjustable
AliExpress
$1.94
$1.97
Stlxy LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To
AliExpress
$1.94
$1.97
Stlxy LM2596HVS LM2596 HV LM2596HV DC-DC Adjustable Step Down Buck Converter Power Module 4.5-50V To
AliExpress
$1.32
$1.36
High Efficiency LM2596 DC-DC 3.2V-40V To 1.25V-35V Step Down Buck Converter Module Adjustable Power
AliExpress
$1.32
$1.36
High Efficiency LM2596 DC-DC 3.2V-40V To 1.25V-35V Step Down Buck Converter Module Adjustable Power
AliExpress
$1.73
$1.76
Lm2596s DC-DC Step-Down Power Supply Module 3A Adjustable Step-Down Module LM2596 Voltage Regulator
AliExpress
$1.73
$1.76
Lm2596s DC-DC Step-Down Power Supply Module 3A Adjustable Step-Down Module LM2596 Voltage Regulator
AliExpress