Review on π Onyehn Amplifier Module for Arduino with 5V and 12V Support by Daniel Mandal
NOT WORKING
So far 6 out of 10 are not working at all (don't know if I'll waste time on the other 4). Before you say I must be doing something wrong; I took all the external components (speakers, microphone and power supply) from a similar product that worked fine and plugged them into this board and NOTHING. The board is clearly labeled so there are no wrong connections on it. save your money I found something on eBay that works great (DC 5V-12V Micro Electret Amplifier MIC Condenser Mini Microphone Amplifier Board).
- On board speaker wire holder
- is not reliable
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