low-cost RF transeivers?

Started by Doug Metzler in BasicX15 years ago 59 replies

Anyone found a good source for low cost RF transceivers? I'm able to find good discrete transmitters and receivers, but as soon as I look for...

Anyone found a good source for low cost RF transceivers? I'm able to find good discrete transmitters and receivers, but as soon as I look for a transceiver the price jumps to $100. Thanks, DougM


SRF08 Ultrasonic Ranger: odd echoes

Started by arhodes19044 in BasicX15 years ago 6 replies

Has anyone had good luck with the SRF08? I have mine working, and I am pretty sure it is working properly. I get a decent reading for...

Has anyone had good luck with the SRF08? I have mine working, and I am pretty sure it is working properly. I get a decent reading for the first echo, the the subsequent echoes do not seem to represent real objects. Essentially I get echoes every 25 inches no matter what it is aimed at. I can hold it in the corner of the room aiming into nothing f


The Optimal version of Visual Basic is ????

Started by G. Kramer Herzog in BasicX15 years ago 14 replies

I downloaded Microsoft's Beta of its newest Visual Basic, but have begun to have doubts about it being optimal for learning to program the ...

I downloaded Microsoft's Beta of its newest Visual Basic, but have begun to have doubts about it being optimal for learning to program the BX-24 and related family. Is Visual Basic V6.0 the best for this? Or does this really matter? Is there a best book to introduce Visual Basic programing?


BasicX Tutorial/programming guide

Started by basicxgumby in BasicX15 years ago 3 replies

Hi all, I have been programming in basic for years and been using Parallax BS2 for a year. I decided to move to the BX-24 as it is...

Hi all, I have been programming in basic for years and been using Parallax BS2 for a year. I decided to move to the BX-24 as it is obviously a better performer for the money. After reading the manuals from Netmedia, I am a bit confused with the programming style, eventhough it is Basic. Besides the book "BasicX and Robotics", does anyone o


MMC card using SPI on BX-24

Started by arhodes19044 in BasicX15 years ago 10 replies

Has anyone used a MMC card on a BX-24? I am trying to do it. I have found that I can not use the built-in SPI functions because I need...

Has anyone used a MMC card on a BX-24? I am trying to do it. I have found that I can not use the built-in SPI functions because I need to keep the Card-Select selected over a bunch of transfers, and when the CS is deselected, apparently the transaction in progress is lost. So, I used Tom Handy's bit-banged SPI routines. THANKS TOM! and I


BasicX 24 Factory Program Wont Halt (used with Parallax BOE)

Started by rustyk_78 in BasicX15 years ago 10 replies

Hello, I just received my brand new BasicX microcontroller today. I've read the entire Hardware Reference manual and followed the steps...

Hello, I just received my brand new BasicX microcontroller today. I've read the entire Hardware Reference manual and followed the steps closely. I am running the BasicX on Parallax BOE (USB Version - w FTDI USB -> Serial Driver). I am able to receive the outputs from the pre-loaded program : Welcome To: Basic Basic Ba


DCF77

Started by wimn.rm in BasicX15 years ago 14 replies

I need to measure incoming pulses of 100 and 200 milliseconds. The PulseIn in not suitable for this, it's rangs is to short. Before I start...

I need to measure incoming pulses of 100 and 200 milliseconds. The PulseIn in not suitable for this, it's rangs is to short. Before I start doing difficult things with the rtc I will ask if someone has another bright idea how to do a simple pulswidth measurement of pulses of this lenght.


MAX 6675

Started by Mikael Karstikko in BasicX15 years ago 5 replies

Hello ! Has anyone used the MAX 6675 K-Type thermocouple A/D chip with BX-24 ?? Is this hook-up correct ? no need to invert the CS...

Hello ! Has anyone used the MAX 6675 K-Type thermocouple A/D chip with BX-24 ?? Is this hook-up correct ? no need to invert the CS line ? MAX6675 BX-24 SO ---------- MISO (hole 6) SCK --------- SCK (hole 7) -CS- -------- CS (hole 4) If anyone has knowledge of this SPI bus , please help me with the code ! Sample code would be


+/- 10V to +5V Conversion

Started by p_dubinsky in BasicX15 years ago 13 replies

I have been asked to convert some +/- 10V sensor signals to 0 - +5 volt for use with a Basicx 24. Is there a way to do this without using a...

I have been asked to convert some +/- 10V sensor signals to 0 - +5 volt for use with a Basicx 24. Is there a way to do this without using a 3rd party signal conditioning board? I've been shown a simple schematic that uses a resistor network to do this but I don't see how it works. Any help will be greatly appreciated. TIA, Paul Dubinsky


HCMS-2912 alphanumeric LED display font

Started by Tom Becker in BasicX15 years ago 9 replies

I'm using an HP HCMS-2912 alphanumeric LED display in a current project. Internally, it is a 320-bit shift register that drives 40 columns...

I'm using an HP HCMS-2912 alphanumeric LED display in a current project. Internally, it is a 320-bit shift register that drives 40 columns of 8 pixels each. http://cp.literature.agilent. com/litweb/pdf/5989-3181EN.pdf HP offers an ASCII and Katakana font table in an application note; I h


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