<!--
---
name: Micro Dot pHAT
class: board
type: display, led
formfactor: pHAT
manufacturer: Pimoroni
description: An LED matrix display board for the Raspberry Pi
url: http://blog.pimoroni.com/micro-dot-phat/
github: https://github.com/pimoroni/microdot-phat
buy: https://shop.pimoroni.com/products/microdot-phat
image: 'microdot-phat.png'
pincount: 40
eeprom: no
power: 5v
pin:
  '3':
    mode: i2c
  '5':
    mode: i2c
i2c:
  '0x63':
    name: LED matrix 1-2
    device: IS31FL3730
  '0x62':
    name: LED matrix 3-4
    device: IS31FL3730
  '0x61':
    name: LED matrix 5-6
    device: IS31FL3730
-->
#Micro Dot pHAT

An unashamedly old school LED matrix display board, with up to 30x7 pixels, using Lite-On LTP-305 matrices (or any similar matrices). Perfect for building a retro scrolling message display, a tiny 30-band spectrum analyser, or a retro clock.

The board uses three IS31FL3730 matrix driver chips, each driving two of the matrix displays. The board and supporting software was designed to use these driver chips in an efficient manner, in effect round-robin-ing them and updating them extremely quickly one after the other to drive two displays at once.

Features:

* 3x IS31FL3730 LED matrix driver chips
* Drives up to 6x LTP-305
* Up to 30x7 pixels (5x7 per matrix)