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• ## Solved Prop BOE: get ‘No serial ports found’ message !!!

I already had Prop Tool v1.3 installed, so by-passed the “install the software” steps. Should I revert to v1.2.7 (R)?

This is running on an iMac/Parallels/Windows XP setup. When I plug in the USB cable to the Prop BOE, I get a window to select the iMac or ‘virtual engine’, which I select.

Then under Devices gt USB I select Prop BOE to be enabled. But when I try to Identify Hardware I get only the error message “No serial ports found”.

Might this board need a different USB device driver than I used with the QuickStart board?

What am I doing wrong?

## Prop BOE can’t find any ports

I just got my Prop BOE today. Installed the Prop Tool (it's version 1.2.6 - I already had 1.3 installed but uninstalled everything before I installed it). When I plug it in to the USB port on my laptop (Dell XPS with Windows 7) and try to "identify hardware" it displays an error "no serial ports found". I had a Gadget Gangster prop board hooked up to this computer (must be where v 1.3 came from) and it worked fine... Any ideas? Don
• ## Cheapest Prop board?

Is the Quickstart the cheapest Prop board being sold? I think it's $25 from Parallax, more through other vendors. The new FTDI FT231 chip has me thinking about how cheap a Prop board could be... I also noticed yesterday that Digikey has Props for$5 in qty. 100. Haven't gone through the numbers extensively, but it seems that very basic Prop board could be made for ~$10 in parts...$5 Prop $2 FT231X$1 USB connector $1 EEPROM$1 Crystal + passives Add in a dollar or two for the PCB and maybe you have something that can be sold for \$15?

## Can’t install FTDI driver

I have a 40-pin dip prop which works just fine at home no issues. I brought it to work to work on a project here and can't get the prop plug to be recognized by the computer.....tried it on another PC working just fine. All drivers are installed including FTDI..however under device manager and COM/LPT ports.....no usb to serial just my one COM and when I plug the USB Propplug into the PC nothing happens....and all other usb devices are working properly. Any idea guys? I feel stupid too bc im working at a PC repair shop....

## 3.3v in & out of Prop, but no Prop found on any port

The Q44 Prop on by board has Ground going to all 4 VSS pins and the Brown Out Enable, 3.3v going to all 4 VDD pins, P28 amp P29 going to EEPROM, P30 amp P31 amp RESn amp Ground going to a propellor USB adapter, and nothing is touching the XO or XI pins. I'm getting 3.3v coming out of my unused prop pins, but when I connect my prop to the propellor tool via the mini-USB adapter it comes back saying it cannot locate a propellor on any port(Port 4). When I move the USB cord over to my ...

Maybe I haven't been paying attention and this is already on someone's radar, but I've encountered a strange issue uploading programs to the QuickStart board. I'm using Win XP (32-bit) and Prop Tool v1.3. What's happening is that I can upload successfully to the QS once. After that I get the dreaded "No Propeller chip found" message. At that point I have to unplug the USB cable and plug it back in to get another upload, which always works -- until I try to get a second one with the same USB plug-in. -Phil

## Propeller Chip: No Propeller Chip Found on any serial port.

Hello, I have read through various post on people's propeller chip's having this same problem. However none seemed to solve the problem. I believe I have installed the correct driver from FTDI (since I installed that first on the machine and then plugged in the prop and then added a 9V bat.). My first attempt I tried multiple times without success then one time upon transferring ir_oscope.spin (the program I had been trying) it worked, however the terminal did not load (but that is a different problem, I may have misread the code and really props do not have a debug ...

## Solved How to connect multiple Props to a PC?

Hi there, I'm using the Props 80MHz counter on a custom board for a capacitive sensor system. I managed to use one cog to continously take measurements and set a pin if some threshold value is exceeded. For maintenance purposes I use another Cog to listen to the COM port and wait for user commands like e.g. report the last sensor value to the terminal. For an industrial project, I need to connect up to 10 or more of these sensor boards to a PC. I'd like to be able to select a certain Prop/Sensor and ask it for several values, ...

## Beginner Prop questions

I just opened the Prop, Prop clip, read the manual through, circuits etc. and read quite a lot, what I could find on these forums. So when the Prop boots up, Cog0 looks for a PC connection first. If it's available, it'll load the program into memory. This mean the EEPROM is optional as long as I have a good PC connection running Propeller Tool right? Is there anything I need to do to terminate those open pins on the Prop then? I'll have more, don't worry

## No propeller chip found, home brew board, Serial Terminal looks like it working…

Ok so I finally got all my stuff in the mail, I built a simple power regulator circut on some pref board then followed the simple propeller schematics on in the prop manual, have not added a crystal yet though. When I hit f7 spin tool says no propeller chip found on com 3, but when i use the serial terminal and type RX, and TX both light up, when i hit my reset switch RX, flashes, when I hold the reset button as I type only TX will flash and RX stays dead until I let go of the reset. ...

## Parallax Serial Terminal

Hey, I've been using the Propeller Tool for a while now; I suppose about two years. I always opened up the serial communicator, but not really knowing what it was for. I knew I could reset the Prop from the PC, but that was it. I see now that there is a serial communications object here for comm between the Prop and the serial terminal in the Prop Tool. Could this be used for debugging?

## When was Prop Tool 1.3 released?

I just notice there's a proptool v1.3. When did this come out? I didn't see these on the "more info" page. I think it was after April 20, as that's the last time I downloaded the prop tool, and the was v1.2 (R2). Aside from changes to the IDE (example "parallax serial terminal toggle" under the run option) is there anything drastic we need to know about? Experience tells me to be wary: I started with Proptool v1.2. There was an update to the FTDI drivers, which made them incompatible with (my install of) prop tool v1.2. There was the ...

## How to fix ground plane voltage differences which cause the prop chip to reset?

So, the issue is simple: When I plug a TV into an RCA jack I soldered onto my proto-board the Prop Chip resets. I think this is due to the ground planes being different. I don't really know a good solution to think problem. Not all TV's I plug the prop chip into cause the prop chip to reset. Any suggestions? More capacitors near the prop chip? I have 1 uF ceramics on the 4 power lines and 0.1 uF on 2 of the 4 power lines. Should I put some 10 uF caps near by? Thanks,

## Prop powered Penguin

Just finished a brain transplant on one of my Penguins, I've wanted to use a Prop for a while now and finally got around to building the hardware. I've been working with my Prop powered Toddler for a while now so figured it was time to do the Penguin. I cut up a proto board for the prop parts and built the rest of the circuit on perf board for now. This is just a simple proof of concept to get everything worked out then I am planning on doing a real board set so I can add more sensors ...

## Prop Demo Board 555-32100

Prop Tool says there's no chip can be found- is that because I don't have an external 5V power supply to it? (I bought the Quickstart board and it didn't need one.) I don't have any that fit, do I have to buy one, or is it broken? I downloaded the schematic pdf but there are no instructions to get it to work. BTW, in order to intergrate these 3.3v boards with TTL logic, I'm going to have to create some kind of buffer, right? Drive a transistor into saturation to bring it up to 5v. Is that what other people do? ...

## Arduino to Propeller communication.

I have a little project where I want the UNO board to send commands to a Prop shield. The Prop shield will actually be my main board/controller for my robot. I only what the UNO to send commands to the Prop(some kind of string of data). Basically I can write a simple C program and the Prop does all the work. I'm thinking SPI object or some other serial object is the way to get these to to talk. I really haven't seen anything like this before. I think this is the way to go? If anyone knows of some projects that are similar if ...

## [SOLVED] Changing the Propeller Tool COM port

SOLUTION: Make sure the nice looking sticker on the Prop Plug faces upwards!!! Original post: Hey there, Just tried to hook up my new propeller proto boards but neither of them is found. The strange thing is that the tool seems to be scanning for them *only* on COM5. This is odd because my Boe-Bot is *always* found on COM4, seeing as both use pretty much the same USB2serial driver and chip. Now in the Basic Stamp IDE I know how to change the COM port pretty easily or even add additional ports to scan but I can find no such option ...

## ?Alt win vers for Prop tool???

Has any one tried to run the propeller tool on Windows 98SE with KernelEx or on ReactOS and use the Prop Plug? If so what if any difficulty is there in doing so? I do not want to have to go the trouble of resizing my partitions, converting my Ext2/3 and BeFS partitions from primary to extended, and install 1 and possibly 2 OSes, just to find out that the Propeller Tool will not work on these systems.

## [Project] Propeller-based iSobot Controller Board

I'm designing a drop-in replacement for the iSobot controller board, and would like to know if there's much interest in such a beast. The cost of getting boards made can be lowered if more people are interested in getting one. The board will support: LQFP-44 Propeller MCU 5 MHz crystal 32 kb serial EEPROM H48C 3-axis accelerometer module (Parallax) HM55B compass module (Parallax) 3.3V regulator for MCU, modules and servo electronics header for Prop Plug (Parallax USB-serial interface) header for radio module (haven't decided yet, thinking EB301 bluetooth module from A7 Engineering) connectors for iSobot's LEDs, microphone and speaker Unused ports of the Prop will be brought out to either a ...