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sensor:ina219 [2026/02/13 15:43] – [LamaPLC: CJMCU-219/INA-219 breakout board/IC with I²C communication] vamsansensor:ina219 [2026/02/13 15:58] (current) – [I²C topics on lamaPLC] vamsan
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 ====== CJMCU-219 Pinout ====== ====== CJMCU-219 Pinout ======
 +{{ :sensor:ina219_1.png?400|CJMCU-219 Pinout}}
 **Logic and Power Pins** **Logic and Power Pins**
  
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   * **Vin-:** Connect to the positive terminal of your load (the device being powered).    * **Vin-:** Connect to the positive terminal of your load (the device being powered). 
  
-**Addressing Pins (A0 & A1)**+**I²C addressing Pins (A0 & A1)**
  
 Some versions of the CJMCU-219 include solder pads labeled **A0** and **A1**. By default, these are connected to GND, setting the I2C address to **0x40**.  Some versions of the CJMCU-219 include solder pads labeled **A0** and **A1**. By default, these are connected to GND, setting the I2C address to **0x40**. 
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 \\ \\
  
-{{tag>CJMCU-219 INA-219 INA219 breakout_board i2c communication sensor voltage current arduino code}}+{{tag>CJMCU-219 INA-219 INA219 breakout_board i2c communication sensor voltage current arduino code CJMCU}}
  
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