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2 x 1.5V AA Battery Holder Without Cover
In Stock
SKU:76428- Cell Quantity: 2.
- Battery type: AA.
- Storage temperature: 25ºC.
- Max Operate temperature: 80ºC.
- Wire Length: 120 mm.
- Mounting holes diameter: 3mm.
- Color: Black.
3 x 1.5V AA Battery Holder Without Cover
Out of stock
SKU:52974- Cell Quantity: 3.
- Battery type: AA.
- Storage temperature: 25ºC.
- Max Operate temperature: 80ºC.
- Wire Length: 120 mm.
- Mounting holes diameter: 3 mm.
- Color: Black.
9V Cell Box, With Cover
Out of stock
SKU:38645- Material: Plastic
- Output Voltage(V): 9
- ON/OFF Switch: NO
- Cable Length: 15 cm
- Color: Black
- Dimensions in mm (LxWxH): 68 x 33 x 20
- Weight (gm): 18
XL6009 DC-DC Step-Up Converter LM2577
In Stock
SKU:64832- The performance is much higher than LM2577.
- Non-isolated Boost converter.
- It has a non-synchronous rectifier.
- Low ultra wide input voltage 3 v ~ 32 v, the best is 5 ~ 32 v working voltage range;
- Low ultra wide output voltage 5 v ~ 35 v;
LM2577 DC-DC Step-Up Power Converter Module
In Stock
SKU:83519- Wide Input voltage: 3.5V-35V
- Output Voltage: 4-35V (Adjustable)
- Output current: rated current 3A MAX ( Heat-sink Needed)
- Conversion efficiency: Up to 92% (output voltage higher, the higher the efficiency)
- Switching Frequency: 50KHz
LM2577 3A DC-DC Step UP LED Voltmeter 3-34 to 4-35V
In Stock
SKU:28714- Input voltage range : 3-34V DC
- Output voltage range : 4-35v DC adjustable
- Output current:3A
- Voltmeter range:0 to 40V,error +-0.1v
- Multiple output regulator.
- One button to switch input and output voltage display.
- Power-down memory function.
- Press the button for 3 seconds can turn OFF/ON the LED display.
DC-DC 3V-35V To 4V-40V Adjustable Step Up Power Module High Power Boost Converter
Out of stock
SKU:69528- Input: 3V – 35V
- Output: 4V – 40V adjustable
- Efficiency: 95% (MAX)
- Module size: 37mm x 32mm x 15mm (L x W x H)
- Operating temperature: -40 ℃ – 85 ℃
- Load capacity: 80W (MAX)
DC-DC High Power Adjustable Step-up Module 3.0~35V to 3.5~35V 100W with Digital Display Voltmeter
Out of stock
SKU:15843-
- Input voltage: 3 ~ 35V DC
- Input current: 9A (max)
- Output voltage: 3.5 ~ 35V DC
- Output current: 6A (max)
- Output power: 75W
- Conversion efficiency: 96.7% (highest)
- Output ripple: 24mV (TYP)
120W 10-32V to 35-60V 6A DC-DC Boost Converter Module
Out of stock
SKU:46328- Input voltage :10-32V
- Output voltage:35-60V (adjustable)
- Output Current: 10A (MAX)
- Input Current: 16A (MAX) (Please enhance heat dissipation if more than 10A)
- The non-isolated step-up power conversion module
- Onboard LED illuminates when the voltage is applied to the module
- Equips Multi-turn Potentiometer.
XL4015 5A Step Down Adjustable Power Supply with LED Voltmeter
Out of stock
SKU:81725- Better than 2596, easy to 4A 50W, up to 75W adding the heat sink.
- Over-temperature protection: Yes (shutdown output automatically after over temperature).
- Input voltage: 4V ~ 38V (not more than 38V).
- Output voltage: 1.25V ~ 36V (adjustable).
- Output current: 0A ~ 5A (recommended below 4.5A).
XH-M404 DC 4-40V 8A Voltage Regulator Module Digital PWM Adjustabl DC-DC Step Down Voltage Regulator DC XL4016E1
Out of stock
SKU:52987XH-M401 DC-DC Step Down Buck Converter Power Supply Module XL4016E1
Out of stock
SKU:70218XL4016E1 200W Step Down Power Supply Module
Out of stock
SKU:39471- Input voltage: 4-40VDC,
- Output voltage: (1.25-36V) continuously adjustable (recommended load debugging).
- Efficiency: 94%
- Output current: 8A(max)
- Output Power: 200W (max)
ESP32 CAM WiFi Module Bluetooth with OV2640 Camera Module
In Stock
SKU:73926- Flash LED off: 180mA @ 5V.
- Flash LED on to maximum brightness: 310mA @ 5V.
- Deep-sleep: 6mA @ 5V min.
- Modem-sleep: 20mA @ 5V min.
- Light-sleep: 6.7mA @ 5V min.
NodeMCU ESP8266 V3 Lua CH340 Wifi
In Stock
SKU:62485- Power input: 4.5V ~ 9V (10VMAX), USB-powered
- Transfer rate: 110-460800bps
- Support UART / GPIO data communication interface
- Support Smart Link Smart Networking
- Working temperature: -40°C ~ + 125°C
- Drive Type: Dual high-power H-bridge
- Don’t need to download resetting
- A great set of tools to develop ESP8266
- Flash size: 4MByte
- Lowest cost WI-FI
Ai Thinker NodeMCU-32S-ESP32-ESP8266
Out of stock
SKU:90512- Power supply: 5V
- Processor: ESP8266
- Logic level: 3.3V
- WIFI module: ESP-12S
- Built-in Flash: 32Mbit
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At TechnoSam, we specialize in providing high-quality electronics modules, development boards, and IoT components for makers, developers, educators, and enterprises. Whether you’re building a prototype or scaling to production, our curated inventory and expert support help you bring your ideas to life — reliably and affordably.
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