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LM3915 Audio Level Meter Testing (numerous issues)
PCB Prototype $2 for 10 PCBs (Any Color): https://jlcpcb.com
https://www.patreon.com/julian256
The green LEDs are far too bright (probably gallium nitride types). The bottom LED stays on in dot mode. Nearly had an incident with a reverse connected tantalum capacitor too :)
Negative Voltage Dual DC12V -12V Power Supply Module 5-12V to ±12V For Amplifier https://ebay.us/1uutVv
