Hearing Aid Kit Audio Amplifier Loudspeaker Training Teaching Competition Electronic DIY Interest Production Parts

Get Hearing Aid Kit Audio Amplifier Loudspeaker Training Teaching Competition Electronic DIY Interest Production Parts

Description:

Voltage: 3V
Audio output: 3.5M audio jack headset
PCB outline size: 45 * 30mm
The hearing aid kit consists of a microphone, a front low-amplifier, a power amplifier circuit, and a headphone jack. It has the characteristics of high sound receiving sensitivity, is practical for people with hearing impairment, and is simple to produce and low in cost. This kit is also an ideal training kit for learning analog circuits.

Use suggestions:

After plugging in the earphones, there may be screams when you first turn on the power. Do not put them in your ears first. At this time, adjust the potentiometer to the position that does not scream, and then put them in your ears to adjust until the sound is clear.

Package included:

1 x Hearing Aid Kit

Hearing Aid Kit Audio Amplifier Loudspeaker Training Teaching Competition Electronic DIY Interest Production Parts See detail

TTGO 0.96 Inch ESP32 V2.0 OLED WiFi Module + Bluetooth Double ESP-32 et OLED 4 MB For Arduino

Get TTGO 0.96 Inch ESP32 V2.0 OLED WiFi Module + Bluetooth Double ESP-32 et OLED 4 MB For Arduino Features: 1. Main control chip uses ESP32, Tensilica dual core processor, clocked at 240 MHz, computing capacity of up to 600 DMIPS, 520 SRAM, 802.11 KB chip b/g/n HT40 Wi-Fi transceiver, baseband, and LWIP protocol stack, Bluetooth (Bluetooth dual-mode integrated traditional and BLE low-power Bluetooth) 2. Onboard 4 M bytes (32 M bit) , flash, and Wi-Fi antennas 3. 0.96-inch White OLED display 4. Lithium battery charging circuit and interface 5. CP2102 USB to serial chip, perfect support for Arduino development Package includes: 1 x ESP32 OLED V2.0 1 x line 2 x pin TTGO 0.96 Inch ESP32 V2.0 OLED WiFi Module + Bluetooth Double ESP-32 et OLED 4 MB For Arduino See detail

TEMT6000 Ambient Light Sensor Module Visible Ambient Light Intensity Detection For Smart Home

Get TEMT6000 Ambient Light Sensor Module Visible Ambient Light Intensity Detection For Smart Home Description: TEMT6000 is a silicon NPN epitaxial planar pho- totransistor in a miniature transparent mold for sur- face mounting onto a printed circuit board. The device is sensitive to the visible spectrum. Features: •Adapted to human eye responsivity •Wide-angle of half sensitivity = ± 60° •SMD style package on PCB technology •Suitable for IR reflow soldering •Lead-free component •The component in accordance with RoHS 2002/95/EC and WEEE 2002/96/EC Applications: Ambient light sensor for display backlight dimming in: Mobile phones Notebook computers PDA’s Cameras Dashboards Package includes: 1 x Sensor Module TEMT6000 Ambient Light Sensor Module Visible Ambient Light Intensity Detection For Smart Home See detail

Anti-Scan Leather Aluminum Case Slim RFID Blocking Wallet ID Credit Card Holder for Cash Men

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