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Various electronic modules

  • 5V Mini USB 1A Lithium Battery Charging Board 4.5V-5.5v
    5V Mini USB 1A Lithium Battery Charging Board 4.5V-5.5v
    1. Charge module- Linear charging. 2. Current- 1A adjustable. 3. Charge precision- 1.5%. 4. Input voltage- 4.5V-5.5V. 5. Full charge voltage- 4.2V. 6. Led indicator- red is charging blue is full charged. 7. Input interface- mini USB. 8. Work temperature- -10℃ to +85℃. 9. Inversed polarity- NO. 10.Size- small to 25X19X10mm.   NOTE: Ampere meter can only be connected to 5v input end of the... 1. Charge module- Linear charging. 2. Current- 1A adjustable. 3. Charge precisi...
  • 5V Mini USB 1A Lithium Battery Charging Board 4V-8V
    5V Mini USB 1A Lithium Battery Charging Board 4V-8V
    onboard the TP4056 lithium charge management chip Onboard MINI USB head can directly link computer USB port charging the charging board can also be powered by pin (IN + and IN-) reserved the TEMP pin header, and can be used as a lithium battery temperature detection input voltage: 4V-8V maximum output charging current: 1000mA the charging D1 indicator lights, charging is completed D2 indicator... onboard the TP4056 lithium charge management chip Onboard MINI USB head can dire...
  • 5V USB DC 7V-24V to 5V 3A Step Down Buck KIS3R33S Module
    5V USB DC 7V-24V to 5V 3A Step Down Buck KIS3R33S Module
    1. Modules nature: non-isolated Buck. 2. Rectification: Non-synchronous rectification. 3. Input voltage: DC 7- 24V. 4. Output voltage: DC 5V. 5. Output current: 3A (max). 6. Conversion efficiency: 96% (MAX). 7. Switching frequency: 340KHz. 8. Output ripple: 30mV (max). 9. Load regulation: ± 0.5%. 10.Voltage regulation: ± 2.5%. 11.Operating Temperature: -40 ° C to +85 ° C.... 1. Modules nature: non-isolated Buck. 2. Rectification: Non-synchronous rectific...
  • 5V USB Powered PCM2704 MINI USB Sound Card DAC decoder board
    5V USB Powered PCM2704 MINI USB Sound Card DAC decoder board
    100% Brand New Main chip level using BB company HIFI PCM2704 USB decoding chip Supply voltage : 5 V (USB ) Distortion : THD + N: 0.006% (RL> 10 kΩ) Distortion : THD + N: 0.025% (RL = 32 Ω) SNR : 98 dB Dynamic range : 98 dB Earphone output power : 12 mW (RL = 32 Ω) Supported Sample Rate : 16Bit 32k, 44.1k, 48k size:12*49MM Pictures for reference only, terminal color to prevail... 100% Brand New Main chip level using BB company HIFI PCM2704 USB decoding chip S...
  • 8 Channel 8-Bit Logic Level Bi-directional Converter Module
    8 Channel 8-Bit Logic Level Bi-directional Converter Module
    Feature: Provide two-way communication capability VCCA side support voltage: 1.2V-3.6V VCCB side support voltage: 1.65v-5.5v Can provide 3.3-5V, 1.8-3.3v and other common level conversion capability Main applications: 5V and 3.3V MCU module 3.3V and 5V MCU module Compatible and other communications support MCU and SD card communication level conversion SCM and iic, spi serial device level... Feature: Provide two-way communication capability VCCA side support voltage: ...
  • A4988/DRV8825 3D Printer Stepper Motor Driver Control Board
    A4988/DRV8825 3D Printer Stepper Motor Driver Control Board
    Features: 1.If jumper is hit the position of ON DP,   that means 16 segment (4988) or 32 segment (8825) Jm connected motor 2.Jv connect 5v and 12v-24v power supply   3.Jc E, S, D, G, respectively corresponding to the connection   of the Enable/Step/Dir/Gnd drive signal output   Notice: Pay attention to when installation direction, otherwise it may burn drive even the mainboard Features: 1.If jumper is hit the position of ON DP,   that means 16 segmen...