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The TTGO T-Call V1.4 is a powerful wireless IoT development board that combines the popular ESP32 microcontroller with a built-in SIM800H GSM/GPRS module, enabling cellular connectivity for remote IoT applications. This version features the CH9102F USB-to-Serial chip, offering improved stability and compatibility over previous models.
This protection board is three series of lithium battery protection board.The PCB protection board is suitable for lithium battery pack of 11.1V, 12V, 12.6V. Its quiescent current less 30uA, so the power consumption is small
Application: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650.26650, polymer lithium battery), Continuous discharge current (upper limit): 40A (if the cooling environment is not good, please reduce the load current use) Continuous charge current (upper limit): 20A Suitable for the drills with starting current below 80A, power 135W below
Seven segment displays are used in many days today’s consumer devices like microwave ovens, washing machines, and air conditioners. They are a simple but effective way to display numerical data like time or quantity. Since they are made out of LEDs, they are a low-cost option for displaying information. They are widely appreciated for its features like accuracy, clarity and optimum functionality.
PLA has a lower melting point and prints easier than other materials. One of the most important features is that PLA is non-toxic, and even has a sweet smell when printing. PLA has a low shrinkage rate and it is very rigid with minimal flex. This material can print extremely high resolution models and is perfect for a wide range of uses. PLA is considered stronger than ABS but is more susceptible to cracking when subjected to flexing, impact or torsional loads so the mechanical needs of the print project need to be evaluated.
The USB Type-B Female Head to DIP 4-Pin Breakout Board is a practical and essential tool for integrating USB Type-B connectors into your electronic projects. This breakout board allows you to easily connect standard USB devices with a Type-B interface, such as printers, scanners, and other peripherals, to microcontrollers, development boards, or other circuit designs. The 4-pin DIP layout ensures compatibility with standard breadboards, making prototyping and testing straightforward and efficient.
This Sonoff Dual is a 1-channel WiFi wireless switch that can connect and control one home appliance and electrical device. this device Enables remote control of home appliances through the mobile application. the Sonoff Basic switch’s advantages such as easy installation and operation, quick WiFi access, APP remote control.
Get creative, get connected & get coding with the BBC micro:bit go. A complete set containing all the parts and inspirational ideas to get started with the BBC micro:bit. Each BBC micro:bit go contains 1x BBC micro:bit, USB cable, battery holder & 2x AAA batteries along with a Quick Start Guide featuring 4 fun ideas all in a retail ready pack.
This is a basic 16-characters 2-line display. Black text on a Grey background. Utilizes the extremely common HD44780 parallel interface chipset. Interface code is freely available. You will need ~11 general I/O pins to interface to this LCD screen.
This 16-character by 2-line display has a very clear and high contrast white text upon a Grey background/backlight. It also includes a serial I2C/IIC adaptor board pre-soldered to the back of the LCD. This means it can be controlled with just 2 I2C serial data pins (SDA & SCL) and so requires far fewer digital IO pins when controlled from a microcontroller. In total, the module only requires 4 wires including 5V power and GND. Contrast adjustment is also provided by the daughter board via a potentiometer.
This is 65MM Smart Car Wheel, 17MM Width Surface Red. The wheel is made up of high-quality rubber which gives maximum traction while operating. The wheel is strong and sturdy as it features a nylon-reinforced plastic rim.
The 18mm Hex coupling for Robot Smart Car Wheel 18mm Length is a compact coupling for joining your motor to the smart car wheel. They are mostly seen in smart cars, robotic vehicles or small robots.
This is 65MM Smart Car Wheel, 17MM Width Surface Red. The wheel is made up of high-quality rubber which gives maximum traction while operating. The wheel is strong and sturdy as it features a nylon-reinforced plastic rim.
The 18mm Hex coupling for Robot Smart Car Wheel 18mm Length is a compact coupling for joining your motor to the smart car wheel. They are mostly seen in smart cars, robotic vehicles or small robots.
Hi link Isolated Power Module 220V to 3.3V 3W – AC to DC Power Supply Module is plastic enclosed PCB mounted isolated switching step-down power supply module. It can supply 3V DC from 120V AC – 230V AC and has a power rating of 3Watt. This makes it perfect for small projects that need a 3.3 volt supply from mains. This power supply module replaces lots of parts from the traditional power supply like diodes, voltage regulator and transformers. Therefore there are many advantages for these modules, such as low-temperature rise, low power, high efficiency, high reliability, high-security isolation etc.
Red 24AWG Flexible Silicone Wire is used in a variety of general-purpose electronics applications. Stranded copper wire provides good electrical connectivity while Silicone rubber insulation protects the wire against abrasion, chemicals, oils, and solvents. The wire provides excellent uniformity for easy processing, stripping, and terminating. Long service life , long life. Good choice for DIY.
Blue 24AWG Flexible Silicone Wire is used in a variety of general-purpose electronics applications. Stranded copper wire provides good electrical connectivity while Silicone rubber insulation protects the wire against abrasion, chemicals, oils, and solvents. The wire provides excellent uniformity for easy processing, stripping, and terminating. Long service life , long life. Good choice for DIY.
Green 24AWG Flexible Silicone Wire is used in a variety of general-purpose electronics applications. Stranded copper wire provides good electrical connectivity while Silicone rubber insulation protects the wire against abrasion, chemicals, oils, and solvents. The wire provides excellent uniformity for easy processing, stripping, and terminating. Long service life , long life. Good choice for DIY.
Black 24AWG Flexible Silicone Wire is used in a variety of general-purpose electronics applications. Stranded copper wire provides good electrical connectivity while Silicone rubber insulation protects the wire against abrasion, chemicals, oils, and solvents. The wire provides excellent uniformity for easy processing, stripping, and terminating. Long service life , long life. Good choice for DIY.
Yellow 24AWG Flexible Silicone Wire is used in a variety of general-purpose electronics applications. Stranded copper wire provides good electrical connectivity while Silicone rubber insulation protects the wire against abrasion, chemicals, oils, and solvents. The wire provides excellent uniformity for easy processing, stripping, and terminating. Long service life , long life. Good choice for DIY.
Magnifying Glass with LED Light Auxiliary Clip couple with Adjustable Magnifier Hand Soldering Solder Iron Stand Holder Station It is a useful auxiliary tool for soldering work, has Adjustable support clamps and LED light sources, strong brightness, can illuminate any position of the work object.
Yellow 28AWG Flexible Silicone Wire is used in a variety of general-purpose electronics applications. Stranded copper wire provides good electrical connectivity while Silicone rubber insulation protects the wire against abrasion, chemicals, oils, and solvents. The wire provides excellent uniformity for easy processing, stripping, and terminating. Long service life , long life. Good choice for DIY.
Black 28AWG Flexible Silicone Wire is used in a variety of general-purpose electronics applications. Stranded copper wire provides good electrical connectivity while Silicone rubber insulation protects the wire against abrasion, chemicals, oils, and solvents. The wire provides excellent uniformity for easy processing, stripping, and terminating. Long service life , long life. Good choice for DIY.
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