A blog for notes and updates to the book “Making Things Talk”
{ Category Archives }
For people who’ve had trouble getting TextFinder to work with Arduino 1.0-rc1, Michael Margolis has released a new version of the library that should compile for both the older Arduino 0022 and the newer Arduino 1.0-rc1. You can find it on the Arduino playground.
The following examples are affected by this:
Chapter 4
Chapter 6
Chapter 9
Chapter 10
The code in my gitHub repository for these examples is up to date for Arduino 1.0-rc1.
If you’re trying to use any of the Ethernet examples or the Wifi example straight from the 2nd edition of Making Things Talk, you’re probably getting some errors related to the definition of Client and Server. Here’s how to fix them.
Since Spark Fun discontinued the version of the BlueSmirf that I used in the first edition of Making Things Talk, (the BlueSmirf v1) I’ve had a few requests for the data sheets, etc. Apparently a number of people (me included) still have them and use them. The AT commands appear nowhere online that I’ve found, so here’s what I have:
The bad news: Spark Fun changed the radio on the BlueSMiRF radios. The SMiRFs I used in the first edition of the book used the BlueRadios radios. The new SMiRFs use the Roving Networks radios.
The good news: Spark Fun also released the BlueSMiRF v.2, which is slightly cheaper, and uses the Philips BGB203 radio. The command set for the BGB203 is nice, and can do many things the BlueRadios devices could do, and more. I’ll be updating the code examples here on this site, so you know how to use the new radios.
/* IR transmit example Language: Wiring/Arduino This program reads an analog input on pin 0 and sends the result out as an ASCII-encoded string. The TX line of the microcontroller is connected to a Rentron TX-IRHS IR transmitter which can transmit at 19200 bps. */
/* RF Transmitter Language: Wiring/Arduino This program reads an analog input on pin 0 and sends the result out as an ASCII-encoded string. The TX line of the microcontroller is connected to an RF transmitter that is capable of reading at 2400 bps. */
/* RF Receive Language: Processing This program listens for data coming in through a serial port. It reads a string and throws out any strings that contain values other than ASCII numerals, linefeed, or carriage return, or that are longer than four digits. This program is designed to work with a Laipac RF serial receiver connected to the serial port, operating at 2400 bps. */
/* XBee terminal Language: processing This program is a basic serial terminal program. It replaces newline characters from the keyboard with return characters. It's designed for use with Linux, Unix, and OS X and XBee radios, because the XBees don't send newline characters back. */
/* XBee Analog Duplex sender Language: Wiring/Arduino This sketch configures an XBee radio via the serial port, sends the value of an analog sensor out, and listens for input from the radio, using it to set the value of a PWM output. Thanks to Robert Faludi for the critique and improvements. */
/* BlueRadios Master Connection Language: Wiring/Arduino This program assumes that the microcontroller is connected to a BlueRadios bluetooth radio, and that the radio is in master mode. When the program starts, it releases the CTSpin pin of the radio, so the radio can send data to the microcontroller. Then it sends a connect message and listens. If more than 5 seconds passes, it attempts to connect again. If it receives a comma, which only appears in the CONNECT,<address> string, it assumes the radio is connected and starts sending data. If it receives an S, it assumes the radio is disconnected and stops sending. */
