spark_counter
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spark_counter [2017/01/23 17:07] – [peacefair PZEM-004] better pictures kingkevin | spark_counter [2024/01/07 17:49] (current) – external edit 127.0.0.1 | ||
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- | **warning: the electricity meter I am presenting will only work for 1 phase 2 wires power distribution systems. I have a 3 phases | + | **warning: the electricity meter I am presenting will only work for 1-phase 2-wire power distribution systems. I have a 3-phase |
====== peacefair PZEM-004 ====== | ====== peacefair PZEM-004 ====== | ||
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USART to query the power meter, SPI to communicate with the nRF24L01+, and the nRF24L01+ protocol are implemented in C (using a lot of interrupts). | USART to query the power meter, SPI to communicate with the nRF24L01+, and the nRF24L01+ protocol are implemented in C (using a lot of interrupts). | ||
- | The source code is available [[https:// | + | The source code is available [[https:// |
I prefer directly writing in the registers as described in the [[http:// | I prefer directly writing in the registers as described in the [[http:// | ||
This way I learn how it works in details. | This way I learn how it works in details. | ||
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On the [[# | On the [[# | ||
- | The source code is available [[https:// | + | The source code is available [[https:// |
On the [[# | On the [[# | ||
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To receive the measurements I used a [[# | To receive the measurements I used a [[# | ||
- | The source code is available [[https:// | + | The source code is available [[https:// |
[[http:// | [[http:// |
spark_counter.1485191276.txt.gz · Last modified: 2024/01/07 17:49 (external edit)