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A signal generator module which is capable of generating a single PWM output with a programmable frequency between 1Hz to 150KHz and a duty cycle between 1 to 100 %. Both frequency and duty cycle can be programmed via 4 push buttons which increment or decrement the frequency in 1Hz, 10Hz, 100Hz, or 1KHz steps (depending of frequency) and duty cycle in 1% increments (see specification below). Current frequency and duty cycle can be viewed on a clear 1.5″ display consisting of white text against a blue backlight.
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This kits contains a selection of useful components and consumables aimed at allowing you to quickly prototype your new project designs. Included in the kits is a reel of lead free solder, a selection of PCBs, pre-stripped and tinned jumper wires, and a selection of commonly used components. Supplied in a hard plastic storage case for easy storage and portability.
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This Arduino Uno compatible development board is the ideal option for beginners, or anyone who just wants to experiment with the Arduino development environment. The board includes an Atmel ATMega328p microcontroller pre-programmed with the Arduino Uno bootloader. It is seated in a zero insertion force (ZIF) socket for easy removal should you wish to replace it. The development board is feature packed with an array of built in peripherals, all of which can be directly controlled by the microcontoller. To make the board fully useable as an Arduino it includes a set of standard headers for adding shields and the built-in peripherals can simply be disconnected via a set of DIP switches.
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This modules is a simple MP3 player device which is based on a high-quality MP3 audio chip. It can support 8k Hz ~ 48k Hz sampling frequency MP3 and WAV file formats. There is a TF card socket on board, so you can plug in the micro SD card that stores audio files. MP3 Playback can be controlled via a Microcontroller such as an Arduino by sending commands to the module via serial UART port…
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A USB to 2.1mm DC jack cable with a built-in DC to DC step up converter which will convert the 5V DC voltage supplied by a USB socket up to 9V DC at the jack socket. This makes the cable useful for powering electronics and projects from a standard USB port or charger where 5V is insufficient voltage.
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This item is an electrically operated fail secure latch type lock. It uses a solenoid (electromagnetic) design to electro-mechanically pull the bolt inwards (unlocked position) when power is supplied to the lock. A compression spring will return the bolt to the locked position when power is removed.
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