PicoVGA for color NTSC

(last update: 2023/02/26)

PicoVGA could be adapted to work with NTSC or PAL TV sets (in color or B/W mode). Through these webpages I'll try to clarify this aspect and how to achieve it. For example, I give you a Youtube video I did for documenting this that shows how, using an Analog Devices' AD724 integrated circuit (in NTSC mode), we can generate a complete NTSC-composite output signal to feed an old B/W TV set or a modern color LCD monitor (with an RCA input jack, of course).

---

Circuit and construction

For building this, we need some electronics components. I got most of them through AliExpress (although it's a matter of luck to get integrated circuits that works well.) I think it's better to get them from a legit electronics supplier near your home or city.

---

How to program PicoVGA board for NTSC output?

(to be completed...)

---

Photos and results

In the following photos I'll try to show you how the board is built and connected to PicoVGA. Remember this is only a prototype, so I used a lot of short cables for doing connections. However, for better results, it's convenient to create some type of connector to join both boards.

Overview of AD724 board	Parts of the AD724 board	Connection with PicoVGA's VGA port
Detail of the VGA port	Power cables	Power bank connected to AD724 board
'Draw' demo on old B&W CRT TV set	'Draw' demo on a mini color LCD monitor	'Draw' demo on a 32'' Samsung LCD TV

---

And... what about PAL-composite output????

(to be completed...)

---

Webpage versions:
0.1 (2023-02-27): initial info and photographs.