Bluetooth Audio Receiver and Playback Module (Bluetooth 4.0) [Discontinued] _RPI_HAT_Inputs There's absolutely no soldering required

There's absolutely no soldering required (unless you decide to use the optional NeoPixel strip or ring)

This is the best stand available for this microscope and it makes an excellent companion

MCP3424 18-Bit ADC-4 Channel with Programmable Gain Amplifier x1

check out: eTape Liquid Level Sensor Datasheet

External Power Supply Range: 5-23V

Bluetooth Audio Receiver and Playback Module (Bluetooth 4.0) [Discontinued] _RPI_HAT_Inputs There's absolutely no soldering requiredThis Bluetooth Audio receiver module includes a USB port and TF card slot. With a pre amp output, you can drive headphones or a 3W speaker directly. You can also add an active power amplifier and connect a loudspeaker. The module supports MP3, WMA, WAV and lossless FLAC audio formats. This module supports playback from TF or USB flash drive. All playback is controlled by buttons, and an sound equalizer has build in to meet different favor. With its