Profile for Colin Cooper > Reviews

Personal Profile

Content by Colin Cooper
Top Reviewer Ranking: 497,786
Helpful Votes: 29

Learn more about Your Profile.

Reviews Written by
Colin Cooper (Chadwell Heath, United Kingdom)

Show:  
Page: 1
pixel
SainSmart® 1.8" TFT Color LCD Display Module with SPI Interface & MicroSD for Arduino UNO MEGA R3
SainSmart® 1.8" TFT Color LCD Display Module with SPI Interface & MicroSD for Arduino UNO MEGA R3
Offered by P&A
Price: 15.99

5 of 6 people found the following review helpful
5.0 out of 5 stars beautiful, once working, 12 Aug 2013
Verified Purchase(What is this?)
Be aware that the colour of the tab on the screen protector (black/red/green) is your only indication of which set of (slightly different) hardware is in this module. Take a note of it and configure your SPI library appropriately.

Note also that the pin configuration is different from the adafruit equivalent.

That said, with a little googling and hacking I got it to work on Arduino, and, after compiling a custom kernel with tftlcd & ST7735R support, a Raspberry Pi. Note that simply building a kernel module is insufficient -- the stock raspbian does not support it. You could probably drive it directly via SPI for some applications ( rather than trying to use it as a monitor ). This might make more sense as it is rather small (but the Raspbian desktop does look very cute on it...)

It is a beautiful little screen.


Hacking Electronics: An Illustrated DIY Guide for Makers and Hobbyists
Hacking Electronics: An Illustrated DIY Guide for Makers and Hobbyists
by Simon Monk
Edition: Paperback
Price: 16.14

0 of 1 people found the following review helpful
4.0 out of 5 stars a handy refresher for someone getting back to hardware, 26 July 2013
Verified Purchase(What is this?)
Useful as an ideas stimulator, and an intro to some sensors I hadn't considered before. Mr Monk has a knack for presenting things cleanly.

Minor deficiencies:
It would be improved by some guidance on component prices (Flex sensors cost HOW much?).
And perhaps more guidance on suppliers in the EU.
Project intelligence is pretty much restricted to Arduino variants. Nothing on the alternatives.

For me, the MC code examples were stretched out a bit. Other than the odd example, I don't see a need for complete listings in the book (which often differ only by a few lines). These could be offloaded to a website.

On the other hand, it targets an audience with a wide spread of H/W & S/W skills, many of whom might appreciate hand-holding on the software side.


FTDI Basic Breakout - 5V(New)
FTDI Basic Breakout - 5V(New)
Offered by SK Pang Electronics Ltd
Price: 14.43

1 of 1 people found the following review helpful
5.0 out of 5 stars does the job, perfectly, 26 July 2013
Verified Purchase(What is this?)
Initially used it on an Arduino Pro Mini. It Just Works.
I can see a lot of further uses in future...


Adonit Jot Pro Stylus
Adonit Jot Pro Stylus

6 of 8 people found the following review helpful
2.0 out of 5 stars not really worth it, 17 Jan 2012
Verified Purchase(What is this?)
I wish I hadn't bought this now. It works ok, although not much better than a generic rubber-nub stylus. It occasionally slips over the screen without registering. The lack of a clip is an omission rather than a feature.

The biggest drawback is the cap and disk situation. Having lost my cap, which was always rather loose, the disk quickly broke. No spares are provided.

I contacted them and spares have to be bought from their shop in the US:
Subtotal $14.00 (2 disk pack + cap)
Shipping $15.43
Total $29.43

For I can buy a whole new stylus, just as good.


Sony Ericsson LIVE VIEW
Sony Ericsson LIVE VIEW

17 of 21 people found the following review helpful
1.0 out of 5 stars buggy, renders phone unusable, 17 Nov 2010
Verified Purchase(What is this?)
A great concept, which might be fixed with a future software update but for now avoid it.

1) Reception of notifications is unreliable.

2) It frequently loses connection and has to be manually reconnected.

3) Most importantly it sporadically renders the phone totally unresponsive by sending the bluetooth system process /system/bin/btld into a spin whereby it consumes the entire cpu. This eats battery and requires a reset of the phone or a battery pull to fix it. My phone is a Samsung Galaxy S under Froyo but I have anecdotal reports of identical behaviour on a Desire Z and a Wildfire.

Wait until you know that this bug is fixed before buying one.

On the plus side, it has enormous potential, and Kudos to Sony for not tying it to a proprietary API.
Comment Comment (1) | Permalink | Most recent comment: Nov 17, 2010 11:15 PM GMT


Page: 1