- Thu Nov 12, 2020 4:18 pm
#89420
Hi all,
I am new to the forum but let me get straight to the problem.
I have a led ball that is powered through a 7.5V power supply that can supply 1A. The ball itself has a lipo and is charged wireless through induction
Initially the led ball worked with a rf remote but I wanted tot make it smart by desoldering the existing mcu and soldering an ESP8266-07 to the existing solder pads. The input voltage is 4.2 volts at the vin pin of the mcu, where now the esp8266 is soldered.
When I try to power the circuit, the esp8266 doesn't boot up. I did some measurements and it seems that the voltage of the esp8266 immediatly drops when booting. If I power the esp8266 through an external power supply the circuit works as intended and I can control the leds on the ball.
I have read about high power consumption during power up but not sure if this is the problem.How can I fix this situation?
Many thanks
I am new to the forum but let me get straight to the problem.
I have a led ball that is powered through a 7.5V power supply that can supply 1A. The ball itself has a lipo and is charged wireless through induction
Initially the led ball worked with a rf remote but I wanted tot make it smart by desoldering the existing mcu and soldering an ESP8266-07 to the existing solder pads. The input voltage is 4.2 volts at the vin pin of the mcu, where now the esp8266 is soldered.
When I try to power the circuit, the esp8266 doesn't boot up. I did some measurements and it seems that the voltage of the esp8266 immediatly drops when booting. If I power the esp8266 through an external power supply the circuit works as intended and I can control the leds on the ball.
I have read about high power consumption during power up but not sure if this is the problem.How can I fix this situation?
Many thanks
