The Pro Trinket gives you a lot more programming power and IO options than the Trinket. It has 2k of RAM, 23 IO pins (18 of which are broken out to the edge of a Pro Trinket), and separate peripherals for I2C, SPI, and Serial.
The Pro Trinket uses an ATmega328 microcontroller, which is the same as the one in an Arduino Uno. The Gemma also uses an ATtiny85, but only has 3 of the IO pins broken out to the side of the board. The ATtiny family of microcontrollers have limited memory (512 bytes of RAM for the ATtiny85) and one generic serial peripheral that can be programmed to use the I2C, SPI, or Serial protocols. The Trinket uses an ATtiny85 microcontroller with 6 IO pins, two of which are tied to the USB jack so the board can upload firmware. 60mA draw per 1.Despite the similarity of their names, there's a significant difference in hardware between the Trinket and the Pro Trinket. Of course, you can also connect strips together to make them longer, just watch how much current you need! We have a 5V/2A supply that should be able to drive 1 meter and a 5V/10A supply that can drive up to 10 meters (depending on use) You must use a 5V DC power supply to power these strips, do not use higher than 6V or you can destroy the entire strip.ĥV max. Solder to the 0.1" copper pads and you're good to go. You can cut this stuff pretty easily with wire cutters, there are cut-lines every 1.3"/3.4cm (1 LED each). The PWM is built into each LED-chip so once you set the color you can stop talking to the strip and it will continue to PWM all the LEDs for youThe strip is made of flexible PCB material, and comes with a weatherproof sheathing. Only 1 digital output pin are required to send data down. The LEDs are controlled by shift-registers that are chained up down the strip so you can shorten or lengthen the strip. You can set the color of each LED's red, green and blue component with 8-bit PWM precision (so 24-bit color per pixel).
There are 30 RGB LEDs per meter, and you can control each LED individually! Yes, that's right, this is the digitally-addressable type of LED strip. This is the strip with black flex PCB, its identical to the white 30 LED/meter except it has a different color mask on the flex strip These NeoPixel strips have 30 digitally-addressable pixel LEDs per meter and are very affordable and are only 12.5 mm wide, 10 mm if you remove the strip from the casing.
They need just 1 microcontroller pin and and power supply. NeoPixel LEDs have integrated driver and Arduino libraries by Adafruit make them super easy to use. Adafruit NeoPixel is a series of RGB LEDs powered by WS2812B.
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