<![CDATA[M5StickC-Plus2 Battery Voltage Measuring Issue when Radio ON]]>Measured values are approximatelly 0.8V greater when WiFi or BT are used.

]]>https://community.m5stack.com/topic/6613/m5stickc-plus2-battery-voltage-measuring-issue-when-radio-onRSS for NodeWed, 29 Apr 2026 02:47:28 GMTSat, 06 Jul 2024 12:55:47 GMT60<![CDATA[Reply to M5StickC-Plus2 Battery Voltage Measuring Issue when Radio ON on Sat, 13 Jul 2024 09:32:17 GMT]]>It works!Mod.jpg

]]>https://community.m5stack.com/post/25831https://community.m5stack.com/post/25831Sat, 13 Jul 2024 09:32:17 GMT<![CDATA[Reply to M5StickC-Plus2 Battery Voltage Measuring Issue when Radio ON on Sat, 06 Jul 2024 14:08:50 GMT]]>I guess, this is a possible solution for longer battery use.
Supply.jpg

]]>https://community.m5stack.com/post/25763https://community.m5stack.com/post/25763Sat, 06 Jul 2024 14:08:50 GMT<![CDATA[Reply to M5StickC-Plus2 Battery Voltage Measuring Issue when Radio ON on Sat, 06 Jul 2024 13:53:47 GMT]]>Discharge.png
Here is discharge curve with 0.8V correction.
Correction could not be done easily by substracting the error, because below Battery voltage 3.5V, measurement begins rapidly grow. Device stops work at 3.4V.

It is difficult to name this device as a successful design.

]]>https://community.m5stack.com/post/25762https://community.m5stack.com/post/25762Sat, 06 Jul 2024 13:53:47 GMT