Development Boards

US$5.48
If you are new to the Arduino platform, this Shield has it all! It can help you understand the basic concepts of different sensors, LEDs, Buzzers, Serial and I2C communications, switches and more! All you have to do is plug it on top of the Arduino UNO and upload the corresponding code to have fun!
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US$14.94
The ESP32 features Wi-Fi Bluetooth WROOM - 32 microcomputer module, 30 IO expansions, Boot and RESET buttons, two resistors; one 1k and the second 2.2k ohm, 0.1uF capacitor and 3 pins for Serial communication.
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US$11.94
ESP32-A1S is an ultra-small, powerful module. Built-in advanced low-power dual-core 32-bit CPU and Codec AC101 audio decoding chip, can be widely used in various IoT applications, suitable for home smart devices, smart Audio, story machine solutions, etc..
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US$4.50
The PAM8406 is a 5W audio amplifier with an alternative option between Class-D and Class-AB output which makes PAM8406 very ideally for the applications efficiency-EMI compatible.
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US$12.99
If you are new to the Arduino platform, this Arduino Shield has it all! It can help you understand the basic concepts of sensors, LEDs, Buzzers, Serial and I2C communications.
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US$3.99
You can conveniently adjust the brightness of your LED Strip of DC motor with this dimmer·
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US$4.94
The DTMF module decodes Dual Tone Multi Frequency signals and converts them into a binary-like output. The DTMF module is powered by 5VDC
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US$15.39
This versatile timer can be programmed from 0.1 seconds to 999 minutes.
A four digit seven segment displays time in 0.1 seconds, seconds, or minutes.
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US$27.99
This is a flexible E-Ink display HAT for Raspberry Pi, 2.13inch, 212x104 resolution, with embedded controller, communicating via SPI interface, supports partial refresh. Compared with normal e-Paper panels, this flexible panel allows bending without being damaged, and it's thinner and lighter. Combined with the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications where curved surface display is required, such as industrial instruments, smart wearable-devices, and so on.
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US$19.59
This is an IPS LCD display HAT for Raspberry Pi, 1.3inch diagonal, 240x240 pixels, with embedded controller, communicating via SPI interface. Trying to add a control interface for your Pi? This compact display would be the ideal choice.
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US$26.59
The Li-ion Battery HAT integrates SW6106 power bank management chip, allows providing 5V regulated power supply to your Pi from a 14500 battery, makes the Pi becomes a portable device. It will charge the battery as well, supports bi-directional quick charge. This module can be used as a universal mini power bank, also works with other 5V devices.
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US$19.59

The RS485 CAN HAT will enables your Pi to communicate with other devices stably in long-distance via RS485/CAN functions. Features: Raspberry Pi connectivity, compatible with Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+ CAN function, onboard CAN controller MCP2515 via SPI interface, with transceiver SN65HVD230. RS485 function, controlled via UART, half-duplex communication, with transceiver SP3485. Reserved control pins, allows to work with other control boards. Comes with development resources and manual (examples in wiringPi/python).

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US$13.60
If you are new to the Arduino platform, you should get one of these! It will get you going quickly - saving data to files on any FAT16 or FAT32 formatted SD card, to be read by any plotting, spreadsheet or analysis program.
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US$18.15

The Arduino Uno is a microcontroller board based on the ATmega328 Chip. It features 14 digital input/output pins which six of can be used as a PWM output, along with six analog inputs, a 16 MHz low profile crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.

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US$13.93
If you have yourself a TinyFPGA A-series board then you are definitely going to need this handy TinyFPGA Programmer. The TinyFPGA Programmer is a very simple USB-JTAG bridge designed to program bitstreams onto TinyFPGA A1 and A2 boards. Rather than an FTDI2232 USB interface chip the TinyFPGA Programmer uses a PIC16F1455 USB microcontroller and equipped with a micro USB connector. While not compatible with the FTDI2232 chip, the PIC micro has a much lower overall cost allowing your hardware to be cheaper overall!
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