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Code Issues Releases Wiki Activity

Updated Custom Bluetooth Scale (markdown)

OliE
2018-06-06 21:53:46 +02:00
parent aa1d260049
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Custom-Bluetooth-Scale.md

@@ -25,7 +25,7 @@
## Support for Bluetooth 4.x
Nowadays all smartphones supports Bluetooth 4.x and not Bluetooth 3.x anymore, so I replaced the HC-05 Bluetooth 3.x module with the HC-10 Bluetooth module, see figure 7.1 and figure 7.2. Be aware that there are different HC-10 modules that have different subsets of AT commands. My used version is called [HM-10S-A](http://www.jnhuamao.cn/bluetooth.asp).
Nowadays all smartphones supports Bluetooth 4.x and not Bluetooth 3.x anymore, so I replaced the HC-05 Bluetooth 3.x module with the HM-10 Bluetooth module, see figure 7.1 and figure 7.2. Be aware that there are different HM-10 modules that have different subsets of AT commands. My used version is called [HM-10S-A](http://www.jnhuamao.cn/bluetooth.asp).
<table border="0">
<tr>
@@ -33,19 +33,19 @@ Nowadays all smartphones supports Bluetooth 4.x and not Bluetooth 3.x anymore, s
<th>
<a href="https://github.com/oliexdev/openScale/raw/master/doc/custom_scale/parts/smart_bluetooth_front.jpg" target="_blank">
<img src='https://github.com/oliexdev/openScale/raw/master/doc/custom_scale/parts/smart_bluetooth_front.jpg' width='250px' alt='image missing' /> </a> <br>
<sub>Figure 7.1: HC-10 Bluetooth 4.x module (front)</sub>
<sub>Figure 7.1: HM-10 Bluetooth 4.x module (front)</sub>
</th>
<th>
<a href="https://github.com/oliexdev/openScale/raw/master/doc/custom_scale/parts/smart_bluetooth_back.jpg" target="_blank">
<img src='https://github.com/oliexdev/openScale/raw/master/doc/custom_scale/parts/smart_bluetooth_back.jpg' width='250px' alt='image missing' /> </a> <br>
<sub>Figure 7.2: HC-10 Bluetooth 4.x module (back)</sub>
<sub>Figure 7.2: HM-10 Bluetooth 4.x module (back)</sub>
</th>
</tr>
</table>
Luckily, we don't need to change anything because we can use the same pins as for the HC-05. For the HC-10 configuration we can also use the same Arduino sketch and parameters like in the chapter [Connecting a HC-05 Bluetooth module](https://github.com/oliexdev/openScale/wiki/Custom-Bluetooth-Scale/_edit#connecting-a-hc-05-bluetooth-module-to-a-tablet) (only change "both NL & CR" back to "no line ending"). It is even slightly easier because we don't have to pull high a KEY pin anymore. You can find the AT commands in the [HC-10 manual](https://github.com/oliexdev/openScale/blob/master/doc/custom_scale/hc_10/HC_10_Manual.pdf). For example to change the Bluetooth device name to `openScale` send the AT command `AT+NAMEopenScale` to the HC-10 module.
Luckily, we don't need to change anything because we can use the same pins as for the HC-05. For the HM-10 configuration we can also use the same Arduino sketch and parameters like in the chapter [Connecting a HC-05 Bluetooth module](https://github.com/oliexdev/openScale/wiki/Custom-Bluetooth-Scale/_edit#connecting-a-hc-05-bluetooth-module-to-a-tablet) (only change "both NL & CR" back to "no line ending"). It is even slightly easier because we don't have to pull high a KEY pin anymore. You can find the AT commands in the [HM-10 manual](https://github.com/oliexdev/openScale/blob/master/doc/custom_scale/hm_10/HM_10_Manual.pdf). For example to change the Bluetooth device name to `openScale` send the AT command `AT+NAMEopenScale` to the HM-10 module.
## Reducing the power consumption