Leon Snyman’s Magic MonitorX is a handy little app for displaying data on an iOS device over Bluetooth –
Magic Monitor is a unique customizable application for displaying different values from MCU’s like ARDUINO, Propeller, Basic Stamp, PIC’s or other peripherals that communicate via UART. The application uses the HID profile over bluetooth connection which is simply text strings of the values you want to display.
You can choose up to 6 display boxes and each box can have a different unit. Also available are 6 LED’s that may be turned ON and OFF as required by simple text command from your MCU device. A Text box is also available to send instructions or messages to the user.
Bluefruit EZ-Key – 12 Input Bluetooth HID Keyboard Controller
Create your own wireless Bluetooth keyboard controller in an hour with the Bluefruit EZ-Key: it’s the fastest, easiest and bestest Bluetooth controller. We spent years learning how to develop our own custom Bluetooth firmware, and coupled with our own BT module hardware, we’ve created the most Maker-friendly wireless you can get!
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.