The DRV8825 stepper motor driver can drive one bipolar stepper motor at up to 2.2A with adequate cooling. The module can easily handle 1.5A with no heatsink. A small heatsink is included and with a little air flow, it can handle up to the full 2.2A. Note that the driver IC can handle up to 2.5A, but the 0.1 ohm current sense resistors limit the output to 2.2A.
These RFM69-868 transceiver modules operate over the 868MHz license-free ISM (Industry Scientific and Medical) frequency band. All major RF communication parameters are programmable and most of them can be dynamically set. The RFM69 has the advantage of programmable narrow-band and wide- band communication modes. The RFM69 is optimized for low power consumption while offering high RF output power and channelized operation. Two RF power output options are available.
A Raspberry Pi is a hand-sized computer you can use to do fun projects, as well as learn to code, play games, make IoT projects, learn about machine learning, artificial intelligence and much more! The Raspberry Pi 3 Model B+ is the final version of the third generation of Raspberry Pi boards.
The Raspberry Pi is a very cheap computer that runs Linux, but it also provides a set of GPIO (general purpose input/output) pins that allow you to control electronic components for physical computing and explore the Internet of Things (IoT).
All over the world, people use Raspberry Pis to learn programming skills, build hardware projects, do home automation, and even use them in industrial applications.
This is a breakout board for Freescale’s MPR121QR2. The MPR121 is a capacitive touch sensor controller driven by an I2C interface. The chip can control up to twelve individual electrodes, as well as a simulated thirteenth electrode. The MPR121 also features eight LED driving pins. When these pins are not configured as electrodes, they may be used to drive LEDs.