Polsen OLM-20 Dual Omnidirectional Lavalier Microphone American DJ AC5PDMX10 you could use it to

you could use it to connect the TX pins of 16 devices to one RX pin on your microcontroller

the boards are acid and lignin-free with alkaline or neutral sizing

while maintaining a soft quality of light

luminance (cd/m² or fl)

Compatible with All Inkjet Printers

Polsen OLM-20 Dual Omnidirectional Lavalier Microphone American DJ AC5PDMX10 you could use it toDual OLM 10 Omnidirectional Mic Capsules Single 1 8" Stereo Connector Each Mic Routes to Discrete Channel Left Right Channel Indicated on Mics 13. 5' Cable with 10' Between Mics Battery Powered Works with Most 1 8" Recording Devices Includes 2 Tie Clips & Foam Windscreens Includes LR44 Battery Designed for recording interviews, the OLM 20 Dual Omnidirectional Lavalier Microphone from Polsen is comprised of two of the well received OLM 10