Charge module- Linear charging. Current- 1A adjustable. Charge precision- 1.5%. Input voltage- 4.5V-5.5V. Full charge voltage- 4.2V. Led indicator- red is charging Green is full charged. Input interface- micro USB. Work temperature- -10° to +85°. Inversed polarity- NO. Size- small to 25X19X10mm.
Specifications: Chipset: TPA3116D2 (Class D amplifier) Power Output: 2 x 50W @ 4Ω with 24V power supply Depends on power supply voltage and speaker impedance Operating Voltage: 12V to 24V DC Input Type: Stereo (usually via 3-pin header or AUX) Output Type: Stereo speaker output (Left & Right) Impedance: 4Ω to 8Ω speakers Efficiency: ~90%…
Circuit board parameters Circuit board product voltage DV 5V Current 300mA Power 2W Frequency 108KHz, fixed frequency single-chip microcomputer Driver board size: length 35×width 20×height 17mm (there will be slight errors)
Microcontroller: ATmega328 Compatibility: Fully Compatible Microcontroller Card. Operating Voltage: 5V Input Voltage (recommended): 7-12V Input Voltage (limit): 6-20V Digital I/O Pins: 14 PWM Digital I/O Pins: 6 Analog Input Pins: 6 DC Current per I/O Pin: 40 mA DC Current for 3.3V Pin: 50 mA Flash Memory: 32 KB Flash Memory for Bootloader: 0.5 KB…