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Sipeed MAIX-I module WiFi version (1st RISC-V 64 AI Module, K210 inside)
US$18.98
Inherit the advantage of K210's small footprint, Sipeed MAIX-I module, or called M1, integrate K210, 3ch dcdc power, 8MB/16MB/128MB Flash (M1w module add wifi chip esp8285 on it) into Square Inch Module.
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Sipeed MAIX Binocular Camera for Dock/Go/Bit
US$26.98
Sipeed Binocular camera module is a camera expansion board for Maix AI development boards designed for AI and Binocular stereo vision applications. It supports Binocular stereo vision and depth vision. The camera(OV2640 or OV7725) and I2S mic are optional.
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Sipeed 6+1 Microphone Array for Dock/Go/Bit
US$25.98
AI is pervasive today, from consumer to enterprise applications. With the explosive growth of connected devices, combined with a demand for privacy/confidentiality, low latency and bandwidth constraints, AI models trained in the cloud increasingly need to be run at the edge. MAIX is Sipeed’s purpose-built module designed to run AI at the edge, we called it AIoT. It delivers high performance in a small physical and power footprint, enabling the deployment of high-accuracy AI at the edge, and the competitive price make it possible embed to any IoT devices. As you see, Sipeed MAIX is quite like Google edge TPU, but it act as master controller, not an accelerator like edge TPU, so it is more low cost and low power than AP+edge TPU solution.
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Simple 2 DOF Tilt Sensor for Arduino RPI-1031
US$4.98
This is a simple 2-degrees-of-freedom digital sensor for 5V microcontrollers. It features 4 pins; 5VDC, GND, S1 and S2. The S1 and S2 are the digital output of the two tilt angles.
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4-DOF Metal Robot Arm Kit for Raspberry Pi, Bluetooth+WiFi version
US$81.85
This 4-DOF Metal Robot Arm Kit for Raspberry Pi contains all the components required to build your own robotic arm controlled with your smart phone using bluetooth or WIFI.
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4-DOF micro:bit Metal Robot Arm Kit for micro:bit, Bluetooth
US$81.67
This starter robotic arm kit for micro:bit includes: servo driver board, metal mechanical arm structure, and 4x metal gear servos. When used with the micro:bit, it is easy to control the arm by smart phone through Bluetooth connection.
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UART to WIFI Transmission Module
US$19.95
This module is designed to connect serial devices to the internet easily. It is based on the universal serial interface to meet the network standard embedded module. It features built-in TCP/IP protocol stack, to achieve the serial port, Ethernet and WIFI.
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ESP32 WiFi and Bluetooth Development Board with OV2640 2MP Camera 
US$15.33
The ESP32-CAM has a very competitive small form factor not to mention the camera module that can operate independently as a minimum system with a footprint of 27x40.5x4.5 mm and a deep sleep current of up to 6mA only!
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Arduino MEGA Educational Kit
US$113.59
This is ABRA's very own Arduino MEGA Educational Kit, a comprehensive instructional package which contains a ton of components with an online pdf manual to explain how each component interacts with the included Arduino. The kit contains all the pieces needed to complete 33 lessons in the 200 page manual.
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Adafruit TPL5110 Low Power Timer Breakout
US$7.63
The Adafruit TPL5110 Power Timer is a stand-alone breakout that will turn any electronics into low-power electronics! It will take care of turning your project on/off using a built in timer that can vary from once every 100ms up to once every two hours. Basically, the TPL will turn on periodically, adjustable by potentiometer or resistor, and turn on your project's power. It will then wait until a signal is received from the project to tell the TPL that it can safely turn off the power. If the TPL does not receive a signal by the set time-out, it will reset the device like a watchdog timer.
Delivery within 2-3 weeks
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Adafruit TPL5111 Low Power Timer Breakout
US$9.17
The Adafruit TPL5111 Low Power Reset Timer is a stand-alone breakout that will turn any electronics into low-power electronics! It will take care of enabling & disabling your electronics using a built in timer that can vary from once-every 100ms up to once every two hours. Basically, the TPL will set an enable pin high periodically, adjustable by potentiometer or resistor, and turn on your project's power. It will then wait until a signal is received from the project to tell the TPL that it can safely disable the project by setting the enable pin low. If the TPL does not receive a signal by the set time-out, it will reset the device like a watchdog timer.
Delivery within 2-3 weeks
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RS485 Shield for Arduino
US$16.25
Arduino RS485 is an industrial standard for long distance, anti-interferrence and reliable communication.   So we create this RS485 Arduino shield, especially designed for the Arduino controller board. It converts UART/Serial protocol to RS485 protocol.  This RS485 board allows Arduino access to industrial standard protocol easily.
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Gravity: I2C Digital Wattmeter
US$12.00
Gravity: I2C Digital Wattmeter is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current and power of various electronic modules and electrical equipment within 26V 8A, and the maximum relative error is no more than ±0.2% (A simple manual calibration is required before usage). It can be used for power consumption or battery life evaluation of solar energy systems, battery, motors, controller or electronic modules.
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Raspberry Pi UPS HAT
US$28.75
DFRobot Raspberry Pi UPS HAT is an uninterruptable power supply shield for Raspberry Pi. It can provide steady power source to Raspberry Pi for an extended period of time when the system is powered-off, by which to avoid system damage and assure safe shut down. In addition, the product could be used to supply stable power for some applications requiring mobility such as, Raspberry Pi camera, tablet PC, field data collection system.
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Raspberry Pi Camera Cable FFC 60cm
US$2.79
Category: FFC. For use with: Raspberry Pi Cameras. Length: 600.0mm.
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