kerpow on WRL-08666 - XBee 1mW U.FL Connection - Series 1 (802.15.4)
There are two firmware settings you can flash this to an XB24 802.15.4 firmware and a XB24-DM DIGIMESH 2.4 firmware. Digimesh is point to point and better for general hobby use than Zigbee (series 2)...
View Articlekerpow on WRL-11216 - XBee Pro 60mW PCB Antenna - Series 1 (802.15.4)
I think the wire version is the best radiation pattern, but this one is a nice form factor and better than the chip version. For truly great range (better radiation pattern that is, they are all the...
View Articlekerpow on WRL-10414 - XBee 2mW Wire Antenna - Series 2 (ZigBee Mesh)
2.4 Ghz has more bandwidth. A bandwidth hungry protocol like Zigbee needs all the space it can get and would hardly work at 900 Mhz. I think that is why you only see digi making 802.15.4 and digimesh...
View Articlekerpow on WRL-08665 - XBee 1mW Wire Antenna - Series 1 (802.15.4)
An Xbee in transparent mode (default) will pass anything except “(pause) +++ (pause)” so I would check what TeraTerm is sending.
View Articlekerpow on WRL-11215 - XBee 1mW Trace Antenna - Series 1 (802.15.4)
I like series 1 radios better than Series 2 for mesh networks. You do however need to flash the radios to the XB24-DM firmware to use these in a mesh network. (Though if you are reading any zigbee only...
View ArticleCustomer #372924 on Synapse SNAP-RF Hints
Got two RF266 and fantastic to get the description of how to make them work with Portal. Initially wouldn’t erase with the Xbee USB Dongle, but switched to an old Maxstream USB (now Digi which shows...
View ArticleCustomer #438601 on ROB-10735 - Big Easy Driver
Can someone recommend a suitable power supply for this controller? I need something that can feed up to 2A at up to 35V, preferably a switched unregulated supply.
View ArticleTekmanRO on PRT-11360 - USB Battery Pack - 6600 mAh
I want to use this as a sort of UPS for a Raspberry Pi to properly shut it down in a car. I was wondering if it’s suitable for this purpose and what else I’d need to accomplish it. Basically, when I...
View ArticleCustomer #438633 on IR Control Kit Quickstart Guide
My Remote didn’t work from day 1. Tried aiming it at the camera on my phone and got nothing. Tried with other remotes and got a flash of light. Disappointing, but on par with all of my experiences...
View ArticleCustomer #437971 on DEV-09815 - Ardumoto - Motor Driver Shield
I want to run two motors using this kit and my Ardunio Uno. I plan to suppy my Arduino 9-12V through the power jack. However I fear that the motors would draw current of 1 A each and destroy the...
View ArticleCustomer #437971 on Ardumoto Assembly Guide
I want to run two motors using this kit and my Ardunio Uno. I plan to suppy my Arduino 9-12V through the power jack. However I fear that the motors would draw current of 1 A each and destroy the...
View Articlejheising on DEV-11712 - pcDuino - Dev Board
Hey all, if you’re interested, I’ve started a Node.js module for the pcDuino at: https://github.com/jheising/node.pcduinoRight now it supports both digital and analog read/write to the GPIO pins. Enjoy!
View ArticleAsuraku on COM-11719 - Coin Acceptor - Programmable (3 coin types)
What are the dimensions?
View ArticleRobotbeat on PRT-08249 - 5V DC to DC Step Up - 2xAA
Really? That’s disappointing. Can anyone confirm? Also, is it true this drains batteries fast even without a load?
View ArticleCustomer #438672 on COM-10080 - Thermoelectric Cooler - 40x40mm
Geothermal heat pumps harness the temperature of the ground or the groundwater and use it to heat or cool your home. This process utilizes the natural temperature of the earth to control the indoor...
View ArticleCustomer #129137 on SEN-10221 - Liquid Level Sensor
The resistance is linear with depth, but if you want real accuracy and millimeters count, I found the best way to do it is to use the internal resistor (pins 1 and 4 on the sensor) and the reference...
View ArticleCustomer #438699 on SEN-00844 - Dual Axis Accelerometer Breakout Board -...
Can I use it in double axis tracking system?
View ArticleCustomer #354703 on GPS-10920 - Venus GPS Logger with SMA Connector
quick question: as interface to my microcontroller i will use normal serial communication? I want to feed the MCU with position data and speed. that is the only way of getting data, right?
View ArticlePocketBrain on COM-11834 - MegaBrite - Right-Angle Headers
Has anybody here used these or the straight-header version for a high-powered amblone?
View ArticleMikeGrusin on BOB-10124 - RS-485 Breakout
This is an interesting issue when designing half-duplex systems: when you’re done transmitting you need to quickly switch to receive, but because the UART buffers at least one character (it will return...
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