Description
We have worked to source a high quality minimosd board for the shop.
These are based on the minimosd board, but they have the added features that separate the voltage regulator from the video side allowing you to use them without the risk of frying the max OSD chip. This is a nice additional feature of this board.
Another nice feature of this particular board is the fact that the additional processor pins are mapped out to pin headers on the board so that you can easily access them. This makes it very easy to add voltage monitoring via a voltage divider, additional sensors, or current sensors to your OSD.
We flash all of our minimosd boards with MWOSD firmware before they get shipped This is the best firmware that is available for these. This firmware basically turns this $20 board into a competitor against boards priced at $150 or more.
The powerful MWOSD firmware makes this OSD:
- track level to ground with multiple lines,
- point to home if gps is enabled,
- monitor voltage, current, and more with flashing alarms
- display heading,
- display altitude
- display rssi (via multiwii serial or analog voltage divider)
- display compass
- display distance from home
- tune PIDs from video and transmitter
- configure other parameters
- view flight stats after flight
- & more
MinimOSD board with KV Team OSD firmware version r345.
- Team KVOSD on screen display video overlay example 4
- Team KVOSD on screen display video overlay example 3
- Team KVOSD on screen display video overlay example 2
- Team KVOSD on screen display video overlay example 1
https://code.google.com/p/rush-osd-development/
https://code.google.com/p/rush-osd-development/wiki/MinimOSD_Basic_Setup
An FTDI needed to configure and use these boards. I ship them with the KVOSD firmware installed and they are ready to wire into your quad, however, for advanced customization, you will need an FTDI or other USB to serial adapter.
The board is for use with multiwii boards including the NAZE32. They read the serial data from the naze32 and overlay that data on the screen.
How to setup hardware (original Wiki):
https://code.google.com/p/arducam-osd/wiki/How_to_start_minim
the main components are an ATmega328P 8 bit microcontroller with an Arduino bootloader, and a MAX7456 monochrome on-screen display. Programming is done through an FTDI card. or serial connection.
The KV team OSD software allows you to tune pids from within the OSD thus eliminating the need for a computer in the field.
all boards are version 1.1, which reflects a change in the voltage regulator to deal with excessive heating issues.
Specifications
- ATmega328P with Arduino bootloader
- MAX7456 monochrome on-screen display
- FTDI cable compatible pinout
- Standard 6-pin ISP header
- Two independent power sections with an LED indicator on each
- Solder jumpers for combining the power sections
- +5V 500mA regulator for up to +12V supply input
- Solder jumper for PAL video option
- Exposed test points for HSYNC and LOS
- Dimensions: 0.7″W x 1.7″L (2.4″ w/ pins as shown) x 0.3″H
Documentation
- Set up instructions are here.
MinimOSD, a minimal Arduino-based on-screen display board.
videos:
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