supp:seeeduino:start
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supp:seeeduino:start [2016/06/21 08:09] – admin | supp:seeeduino:start [2016/06/21 08:21] – admin | ||
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The small Arduinos based on ATmege328 (Arduino Uno, Seeeduino Stalker, ,...) just have one UART which by default is used for the USB connection, e.g. when using something like Serial.print(" | The small Arduinos based on ATmege328 (Arduino Uno, Seeeduino Stalker, ,...) just have one UART which by default is used for the USB connection, e.g. when using something like Serial.print(" | ||
- | The workaround is a so-called soft-UART, (library softserial), | + | The workaround is a so-called soft-UART, (library softserial.h), an emulated UART in software. The performance of a soft UART is limited, but it can help to connect another UART device such as RF-Bee to the Arduino. |
+ | |||
+ | To use the RF-Bee module with Seeeduino Stalker V3 you have to connect the RF-Bee RXD and TXD signals to the two digital pins D6 and D7, respectively: | ||
- | To use the RF-Bee module with Seeeduino Stalker V3 you have to connect the RF-Bee RXD and TXD signals to the two digital pins D6 and D7, respectively. Here you have to cut PCB signal lines and close | ||
* solder jumper P6: BEE_TXD -> D6 (soft UART RX), | * solder jumper P6: BEE_TXD -> D6 (soft UART RX), | ||
* solder jumper P5: BEE_RXD <- D7 (soft UART TX) (attention: HW bug of Stalker V3), | * solder jumper P5: BEE_RXD <- D7 (soft UART TX) (attention: HW bug of Stalker V3), | ||
+ | |||
as described here: http:// | as described here: http:// | ||
- | |||
- | ==== Hardware Bug ==== | ||
There are two bugs concerning the connection of any Bee module to the Stalker pins to use software serial. The following connections have to be established to use the Bee module with a software serial port (UART emulated in software, library softserial.h): | There are two bugs concerning the connection of any Bee module to the Stalker pins to use software serial. The following connections have to be established to use the Bee module with a software serial port (UART emulated in software, library softserial.h): | ||
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* solder jumper P5: BEE_RXD ← D7 (soft UART TX) | * solder jumper P5: BEE_RXD ← D7 (soft UART TX) | ||
- | On the official | + | ==== Hardware Bug ==== |
+ | |||
+ | There are two hardware bugs on Seeeduino | ||
+ | |||
+ | |||
+ | \\ The official workaround __only solving part of the problem__ is given here: \\ http:// | ||
+ | To solve both issues I propose a solution described in the following document: \\ | ||
{{: | {{: | ||
- | :!: There is a hardware bug on Seeeduino Stalker V3 related to solder jumper P5 (BEE_TXD). \\ A workaround is given here: http:// | ||
==== Configuration ==== | ==== Configuration ==== |
supp/seeeduino/start.txt · Last modified: 2017/10/17 11:36 by admin